201 - Monocytes become macrophages as they leave the blood and enter the tissue spaces.
201 - Monocytes become macrophages as they leave the blood and enter the tissue spaces.
TRUE
202 - Most accessory structures found within the dermis are actually of epidermal origin.
202 - Most accessory structures found within the dermis are actually of epidermal origin.
TRUE
203 - Most of the ATP energy in the metabolism of glucose is derived from the Kreb's cycle (TCA; Citric Acid Cycle.)
203 - Most of the ATP energy in the metabolism of glucose is derived from the Kreb's cycle (TCA; Citric Acid Cycle.)
FALSE
204 - Most of the average adult heart lies to the left of the midline.
204 - Most of the average adult heart lies to the left of the midline.
TRUE
205 - Most of the body's homeostatic mechanisms operate by negative feedback, although a few function through positive feedback. Choose the example from the list below that operates by positive feedback.
205 - Most of the body's homeostatic mechanisms operate by negative feedback, although a few function through positive feedback. Choose the example from the list below that operates by positive feedback.
A baby suckling at the breast stimulates greater milk production.
206 - Most of the readily-available energy stored in ATP is stored during the ________________.
206 - Most of the readily-available energy stored in ATP is stored during the ________________.
phosphorylation of ADP to form ATP
207 - Most of the skeleton is comprised of fibrous membrane before birth.
207 - Most of the skeleton is comprised of fibrous membrane before birth.
FALSE
208 - Most olfactory receptors are located on the ______ surface of the nasal cavity.
208 - Most olfactory receptors are located on the ______ surface of the nasal cavity.
superior
209 - Most small proteins are reabsorbed by _______________.
209 - Most small proteins are reabsorbed by _______________.
pinocytosis
210 - Motor neurons receive impulses from the muscles in order to regulate glandular secretions.
210 - Motor neurons receive impulses from the muscles in order to regulate glandular secretions.
FALSE
211 - Motor neurons usually have a more complex structure than sensory neurons.
211 - Motor neurons usually have a more complex structure than sensory neurons.
TRUE
212 - Moving an arm so that it traces a cone is called _____.
212 - Moving an arm so that it traces a cone is called _____.
circumduction
213 - Moving the right eye towards the right is an example of:
213 - Moving the right eye towards the right is an example of:
abduction
214 - Muscles that act to cause similar movements are called _____.
214 - Muscles that act to cause similar movements are called _____.
synergists
215 - Muscles that are not used, may degenerate or undergo a process of _____.
215 - Muscles that are not used, may degenerate or undergo a process of _____.
atrophy
216 - Myasthenia gravis reflects a deficiency in communication by _______________ because receptors for this neurotransmitter have been destroyed.
216 - Myasthenia gravis reflects a deficiency in communication by _______________ because receptors for this neurotransmitter have been destroyed.
acetylcholine
217 - Myelin sheaths on the outsides of many axons are contributed by ______________.
217 - Myelin sheaths on the outsides of many axons are contributed by ______________.
Schwann cells
218 - Myoglobin, hemoglobin, and many enzymes are ________________ proteins.
218 - Myoglobin, hemoglobin, and many enzymes are ________________ proteins.
globular
219 - Nerves impulses always travel to the brain through _____ fibers.
219 - Nerves impulses always travel to the brain through _____ fibers.
axon
220 - Neural tube defects are easily prevented by the adequate intake of _____________ by the pregnant mother?
220 - Neural tube defects are easily prevented by the adequate intake of _____________ by the pregnant mother?
folic acid
221 - Neuroglial cells help neurons in each of these ways, with the exception of _______________.
221 - Neuroglial cells help neurons in each of these ways, with the exception of _______________.
transmitting nervous impulses
222 - Nutrients that the body needs but cannot synthesize on its own are called __________________.
222 - Nutrients that the body needs but cannot synthesize on its own are called __________________.
essential nutrients
223 - Objects are perceived by photoreceptors because the rods or cones _______________ as their _________________ in the presence of light.
223 - Objects are perceived by photoreceptors because the rods or cones _______________ as their _________________ in the presence of light.
hyperpolarize; pigments decompose
224 - Of every 100 secondary oocytes that are exposed to sperm, how many infants are actually born live?
224 - Of every 100 secondary oocytes that are exposed to sperm, how many infants are actually born live?
about 31
225 - Of the following, which factors influence basal metabolic rate to the greatest extent?
225 - Of the following, which factors influence basal metabolic rate to the greatest extent?
thyroid hormone
226 - Of the following, which represents an organic compound?
226 - Of the following, which represents an organic compound?
C6H12O6
227 - Of the ligaments that reinforce the hip joint, which one is made up of a Y- shaped band that connects the anterior inferior iliac spine of the coxal bone to the intertrochanteric line?
227 - Of the ligaments that reinforce the hip joint, which one is made up of a Y- shaped band that connects the anterior inferior iliac spine of the coxal bone to the intertrochanteric line?
iliofemoral ligament
228 - Older women carry a greater chance of having a child with trisomy 21 than a younger mother.
228 - Older women carry a greater chance of having a child with trisomy 21 than a younger mother.
TRUE
229 - One of the consequences of inadequate dietary carbohydrate is breakdown of stored fat and the unhealthy accumulation of ____________.
229 - One of the consequences of inadequate dietary carbohydrate is breakdown of stored fat and the unhealthy accumulation of ____________.
ketone bodies
230 - One of the following statements about muscular responses is not true. Choose that one.
230 - One of the following statements about muscular responses is not true. Choose that one.
When a person is fully at rest, none of her muscles are contracting.
231 - One of the main functions associated with simple squamous epithelium is _____.
231 - One of the main functions associated with simple squamous epithelium is _____.
diffusion
232 - Only the sperm have the ability to determine the sex of the offspring.
232 - Only the sperm have the ability to determine the sex of the offspring.
TRUE
233 - Ovulation appears to be triggered by a midcycle surge in ______________.
233 - Ovulation appears to be triggered by a midcycle surge in ______________.
luteinizing hormone (LH)
234 - Parkinson disease tremors are the result of which condition?
234 - Parkinson disease tremors are the result of which condition?
dopamine deficiency
235 - Partial or complete inability to coordinate voluntary movements is also referred to as ___________.
235 - Partial or complete inability to coordinate voluntary movements is also referred to as ___________.
ataxia
236 - Patients with leukemia often suffer clotting abnormalities and internal bleeding.
236 - Patients with leukemia often suffer clotting abnormalities and internal bleeding.
TRUE
237 - Pericardial fluid is serous and allows the heart to beat without friction in the pericardial sac.
237 - Pericardial fluid is serous and allows the heart to beat without friction in the pericardial sac.
TRUE
238 - Peristaltic muscular contractions are important for conveying urine through the excretory system, much like peristalsis in the digestive tract. Peristalsis of the detrusor muscle of the urinary bladder is controlled by ______________.
238 - Peristaltic muscular contractions are important for conveying urine through the excretory system, much like peristalsis in the digestive tract. Peristalsis of the detrusor muscle of the urinary bladder is controlled by ______________.
parasympathetic nervous impulses
239 - Pernicious anemia can result from lack of vitamin ____.
239 - Pernicious anemia can result from lack of vitamin ____.
B12
240 - Persons are usually not aware that reflexes are occurring, because they are involuntary.
240 - Persons are usually not aware that reflexes are occurring, because they are involuntary.
FALSE
241 - Persons with spinal cord damage in the lumbar area will no longer have urination reflexes.
241 - Persons with spinal cord damage in the lumbar area will no longer have urination reflexes.
FALSE
242 - Persons with Turner's syndrome have male chromosomes but have a female appearance.
242 - Persons with Turner's syndrome have male chromosomes but have a female appearance.
FALSE
243 - Plasma is about 45% of the total blood volume.
243 - Plasma is about 45% of the total blood volume.
FALSE
244 - Potentially life-threatening ketone bodies are the result of ______metabolism.
244 - Potentially life-threatening ketone bodies are the result of ______metabolism.
lipid
245 - Prostaglandins are ___________ substances that regulate neighboring cells.
245 - Prostaglandins are ___________ substances that regulate neighboring cells.
paracrine
246 - Protein molecules can also be used to supply energy for the body, but to do so, proteins must first be stripped of their ____________.
246 - Protein molecules can also be used to supply energy for the body, but to do so, proteins must first be stripped of their ____________.
247 - Protons all bear positive charges while neutrons have no net charge.
247 - Protons all bear positive charges while neutrons have no net charge.
TRUE
248 - Pus is a collection of living and dead white blood cells.
248 - Pus is a collection of living and dead white blood cells.
TRUE
249 - Radioactive isotopes emit energy or particles until they reach a stable form. Which type of radiation emitted by a radioactive isotope can be the most penetrating, and thus the most damaging, to living things?
249 - Radioactive isotopes emit energy or particles until they reach a stable form. Which type of radiation emitted by a radioactive isotope can be the most penetrating, and thus the most damaging, to living things?
gamma radiation
250 - Red blood cells survive around _____ days.
250 - Red blood cells survive around _____ days.
120
251 - Removal of the spleen will impair the immune capabilities of the individual.
251 - Removal of the spleen will impair the immune capabilities of the individual.
TRUE
252 - Renal calculi are commonly comprised of urea and calcium salt precipitates.
252 - Renal calculi are commonly comprised of urea and calcium salt precipitates.
FALSE
253 - Ribosomes are comprised of RNA that has been synthesized directly by the nucleus.
253 - Ribosomes are comprised of RNA that has been synthesized directly by the nucleus.
TRUE
254 - Sebaceous glands are only associated with hair follicles and do not exist alone by themselves.
254 - Sebaceous glands are only associated with hair follicles and do not exist alone by themselves.
FALSE
255 - Sedentary people with elevated triglyceride levels who continue to eat fatty foods are likely to have high levels of ____________ in their bloodstream.
255 - Sedentary people with elevated triglyceride levels who continue to eat fatty foods are likely to have high levels of ____________ in their bloodstream.
very-low density lipoprotein (VLDL)
256 - Select the correct statement about bone.
256 - Select the correct statement about bone.
Bone is a very metabolically active tissue.
257 - Select the correct statement about the science of anatomy.
257 - Select the correct statement about the science of anatomy.
Anatomy is concerned with the structure of body parts.
258 - Select the incorrect statement about nerve impulse conduction.
258 - Select the incorrect statement about nerve impulse conduction.
The strength of impulses carried along a single nerve fiber can vary with the strength of their stimulus.
259 - Select the statement about red blood cells that is incorrect.
259 - Select the statement about red blood cells that is incorrect.
Deoxyhemoglobin carries oxygen.
260 - Select the statement that is true about the spleen.
260 - Select the statement that is true about the spleen.
The spleen filters the blood much the same way the lymph nodes filter the lymph.
261 - Sensory receptors are equally and proportionally distributed throughout the skin.
261 - Sensory receptors are equally and proportionally distributed throughout the skin.
FALSE
262 - Several layers of cells reside within epiphyseal disks of developing long bones. Which layer is responsible for anchoring the disk to the bony epiphysis?
262 - Several layers of cells reside within epiphyseal disks of developing long bones. Which layer is responsible for anchoring the disk to the bony epiphysis?
resting cells
263 - Several variant forms of a gene for a given trait are called ______________.
263 - Several variant forms of a gene for a given trait are called ______________.
alleles
264 - Sex hormones are secreted by ________________.
264 - Sex hormones are secreted by ________________.
the inner cortex of the adrenal medulla and the gonads
265 - Sex-linked genes are those associated with chromosomes X or Y.
265 - Sex-linked genes are those associated with chromosomes X or Y.
FALSE
266 - Skin or bone is an example of what level of organization?
266 - Skin or bone is an example of what level of organization?
organ
267 - Soccer and football players, who often turn and change directions suddenly are most likely to tear which knee ligament?
267 - Soccer and football players, who often turn and change directions suddenly are most likely to tear which knee ligament?
anterior cruciate ligament
268 - Some synovial joints, such as the knee, contain interior pads of fibrocartilage, called ______________, that help to stabilize the joint.
268 - Some synovial joints, such as the knee, contain interior pads of fibrocartilage, called ______________, that help to stabilize the joint.
menisci
269 - Someone suffering a heart attack in his anterior lower right ventricle probably had a blockage in which coronary artery?
269 - Someone suffering a heart attack in his anterior lower right ventricle probably had a blockage in which coronary artery?
anterior interventricular artery
270 - Specifically, where are sperm cells formed within the testes?
270 - Specifically, where are sperm cells formed within the testes?
within the seminiferous tubules
271 - Standing on your toes as in ballet, is an example of:
271 - Standing on your toes as in ballet, is an example of:
plantar flexion
272 - Steroids exert their effects by increasing the amount of cAMP in the target cells.
272 - Steroids exert their effects by increasing the amount of cAMP in the target cells.
FALSE
273 - Substances called the _____ are capable of directly inhibiting DNA synthesis.
273 - Substances called the _____ are capable of directly inhibiting DNA synthesis.
interferons
274 - Syndromes having abnormal numbers of chromosomes are usually related to defective sperm cells.
274 - Syndromes having abnormal numbers of chromosomes are usually related to defective sperm cells.
FALSE
275 - Taste and smell are sensations stimulated by chemical molecules.
275 - Taste and smell are sensations stimulated by chemical molecules.
TRUE
276 - T-cell lymphocytes die if they are not capable of recognizing foreign particles.
276 - T-cell lymphocytes die if they are not capable of recognizing foreign particles.
TRUE
277 - Technically speaking, HCl is the correct formula for a strong acid.
277 - Technically speaking, HCl is the correct formula for a strong acid.
FALSE
278 - Tendons are among the strongest structures in the body and are comprised of dense connective tissue.
278 - Tendons are among the strongest structures in the body and are comprised of dense connective tissue.
TRUE
279 - The _____ can be considered an extension of the abdominal wall.
279 - The _____ can be considered an extension of the abdominal wall.
scrotum
280 - The _____ cells are capable of removing a blood clot from the brain.
280 - The _____ cells are capable of removing a blood clot from the brain.
microglia
281 - The _____ is a membrane covering the anterior portion of the eyeball.
281 - The _____ is a membrane covering the anterior portion of the eyeball.
conjunctiva
282 - The _____ is a system of membranes designed to transport molecules within and out of cells.
282 - The _____ is a system of membranes designed to transport molecules within and out of cells.
endoplasmic reticulum
283 - The _____ is the thick white area of the nail that reflects the rapid growth of the cells below it.
283 - The _____ is the thick white area of the nail that reflects the rapid growth of the cells below it.
lunula
284 - The _____ of the cell has a function directly related to the synthesis of proteins.
284 - The _____ of the cell has a function directly related to the synthesis of proteins.
ribosome
285 - The _____ serves as the source of the flagellum in sperm.
285 - The _____ serves as the source of the flagellum in sperm.
centriole
286 - The _____ valve lies between the right atrium and right ventricle.
286 - The _____ valve lies between the right atrium and right ventricle.
tricuspid
287 - The _________ of the cell directs its overall activities as well as houses its genetic material.
287 - The _________ of the cell directs its overall activities as well as houses its genetic material.
nucleus
288 - The __________ of a cell is the most critical factor in determining its function.
288 - The __________ of a cell is the most critical factor in determining its function.
shape
289 - The ___________ is the outermost meninx, and forms supportive and protective partitions between some portions of the brain.
289 - The ___________ is the outermost meninx, and forms supportive and protective partitions between some portions of the brain.
dura mater
290 - The ____________ cartilage(s) mark(s) the lowermost portion of the larynx.
290 - The ____________ cartilage(s) mark(s) the lowermost portion of the larynx.
cricoid
291 - The ____________ system is responsible for transporting fluid and also houses the body's disease-fighting cells.
291 - The ____________ system is responsible for transporting fluid and also houses the body's disease-fighting cells.
lymphatic
292 - The _____________ cavity is the portion enclosed by the pelvic bones.
292 - The _____________ cavity is the portion enclosed by the pelvic bones.
pelvic
293 - The _____________ has the thickest wall because it pumps blood to the ________________.
293 - The _____________ has the thickest wall because it pumps blood to the ________________.
left ventricle; systemic circuit
294 - The _____________ layer of the alimentary canal contains loose connective tissue, glands, blood and lymphatic vessels, and nerves.
294 - The _____________ layer of the alimentary canal contains loose connective tissue, glands, blood and lymphatic vessels, and nerves.
submucosa
295 - The ______________ are an invagination of the muscle cell's sarcolemma.
295 - The ______________ are an invagination of the muscle cell's sarcolemma.
transverse (T) tubules
296 - The ______________ is the early pre-embryonic stage that implants in the uterine lining.
296 - The ______________ is the early pre-embryonic stage that implants in the uterine lining.
blastocyst
297 - The ______________ of a typical vertebra projects posteriorly, and is thickest and most blunt in appearance in lumbar vertebrae.
297 - The ______________ of a typical vertebra projects posteriorly, and is thickest and most blunt in appearance in lumbar vertebrae.
spinous process
298 - The ______________ of the body includes the head, neck, and trunk.
298 - The ______________ of the body includes the head, neck, and trunk.
axial portion
299 - The ______________ system includes all the glands that secrete hormones.
299 - The ______________ system includes all the glands that secrete hormones.
endocrine
300 - The _______________ are the types of neuroglial cells that provide myelin in the central nervous system.
300 - The _______________ are the types of neuroglial cells that provide myelin in the central nervous system.
oligodendrocytes
301 - The _______________ suture joins the temporal and parietal bones of the skull.
301 - The _______________ suture joins the temporal and parietal bones of the skull.
squamosal
302 - The _________________ is a portion of the brain that maintains homeostasis by linking activities of the endocrine and nervous systems together.
302 - The _________________ is a portion of the brain that maintains homeostasis by linking activities of the endocrine and nervous systems together.
hypothalamus
303 - The ability to sense body position is related to _____ receptors.
303 - The ability to sense body position is related to _____ receptors.
proprioceptors
304 - The accumulation of nitrogenous wastes in the blood is a condition known as ________________.
304 - The accumulation of nitrogenous wastes in the blood is a condition known as ________________.
azotemia
305 - The acetyl group is transported to the citric acid cycle (Krebs cycle) by what carrier?
305 - The acetyl group is transported to the citric acid cycle (Krebs cycle) by what carrier?
coenzyme A
306 - The actual receptors for hearing and balance are the _____.
306 - The actual receptors for hearing and balance are the _____.
hair cells
307 - The addition of oxygen to a cell during glycolysis will increase the amount of ATP produced by this metabolic pathway.
307 - The addition of oxygen to a cell during glycolysis will increase the amount of ATP produced by this metabolic pathway.
FALSE
308 - The American Heart Association recommends that dietary fat should constitute no more than ________ of daily caloric intake.
308 - The American Heart Association recommends that dietary fat should constitute no more than ________ of daily caloric intake.
0.3
309 - The antagonist to the triceps brachii is the _____.
309 - The antagonist to the triceps brachii is the _____.
brachialis
310 - The aortic semilunar valve prevents blood from returning to the _____.
310 - The aortic semilunar valve prevents blood from returning to the _____.
left ventricle
311 - The application of multiple stimuli to a muscle is defined as the process called _____.
311 - The application of multiple stimuli to a muscle is defined as the process called _____.
summation
312 - The area directly superior to the soft palate is the _____.
312 - The area directly superior to the soft palate is the _____.
nasopharynx
313 - The area of the brain that integrates proprioceptor data is the:
313 - The area of the brain that integrates proprioceptor data is the:
cerebellum
314 - The auditory canal is part of the _____.
314 - The auditory canal is part of the _____.
outer ear
315 - The basal metabolic rate (BMR) measures the rate of energy expenditure when _________________.
315 - The basal metabolic rate (BMR) measures the rate of energy expenditure when _________________.
the body is awake but resting
316 - The base sequence termed the anticodon is found on molecules of _______.
316 - The base sequence termed the anticodon is found on molecules of _______.
tRNA
317 - The basic rhythm of breathing is controlled by which portion of the brain?
317 - The basic rhythm of breathing is controlled by which portion of the brain?
dorsal respiratory group of the medullary rhythmicity center
318 - The biceps femoris is one hamstring muscle located on the back of the thigh. Which muscle is the other hamstring?
318 - The biceps femoris is one hamstring muscle located on the back of the thigh. Which muscle is the other hamstring?
semitendinosus
319 - The bicuspid valve __________________.
319 - The bicuspid valve __________________.
is located on the left side of the heart
320 - The bursa located between the patella of the knee and the overlying skin is called the ____________ bursa.
320 - The bursa located between the patella of the knee and the overlying skin is called the ____________ bursa.
prepatellar
321 - The carbohydrate _____is critical for the function of genes.
321 - The carbohydrate _____is critical for the function of genes.
deoxyribose
322 - The cell body of all sensory neurons is located within the:
322 - The cell body of all sensory neurons is located within the:
dorsal root ganglion
323 - The cells in the epidermis are only comprised of stratified squamous epithelial cells.
323 - The cells in the epidermis are only comprised of stratified squamous epithelial cells.
TRUE
324 - The cells lining blood vessels and the lung alveoli are classed as _____ epithelium.
324 - The cells lining blood vessels and the lung alveoli are classed as _____ epithelium.
squamous
325 - The cells that conduct messages towards the brain are the:
325 - The cells that conduct messages towards the brain are the:
sensory neurons
326 - The cells that directly and specifically secrete mucus are called _____ cells.
326 - The cells that directly and specifically secrete mucus are called _____ cells.
goblet
327 - The cells that tear down and remodel bone are the ________________.
327 - The cells that tear down and remodel bone are the ________________.
osteoclasts
328 - The central cardiac control region is in the _____ of the brain.
328 - The central cardiac control region is in the _____ of the brain.
medulla oblongata
329 - The cerebral cortex functions in sensation and the perception of those sensations.
329 - The cerebral cortex functions in sensation and the perception of those sensations.
TRUE
330 - The cerebral hemispheres are connected by the _____.
330 - The cerebral hemispheres are connected by the _____.
corpus callosum
331 - The chamber that actually houses the hearing receptors is the __________________.
331 - The chamber that actually houses the hearing receptors is the __________________.
cochlear duct
332 - The chin can be described as being on the _____ surface of the skull.
332 - The chin can be described as being on the _____ surface of the skull.
inferior
333 - The color of feces is likely to be directly related to hemoglobin metabolism.
333 - The color of feces is likely to be directly related to hemoglobin metabolism.
TRUE
334 - The concentrations of substances in the plasma, in the glomerular filtrate, and in urine differ in what way?
334 - The concentrations of substances in the plasma, in the glomerular filtrate, and in urine differ in what way?
Plasma and glomerular filtrate are virtually identical, but urine contains proportionately more waste products.
335 - The connection between the third and fourth ventricle is called the _____.
335 - The connection between the third and fourth ventricle is called the _____.
cerebral aqueduct
336 - The connective tissue closest to the single neuron is the:
336 - The connective tissue closest to the single neuron is the:
endoneurium
337 - The cristae are structures found within the _____ organelle.
337 - The cristae are structures found within the _____ organelle.
mitochondrion
338 - The crossbridges involved in muscle contraction are located on the ________________.
338 - The crossbridges involved in muscle contraction are located on the ________________.
myosin myofilaments
339 - The detection of the hormone _______________ is the basis of pregnancy tests.
339 - The detection of the hormone _______________ is the basis of pregnancy tests.
human chorionic gonadotropin (hCG)
340 - The digestive system functions to provide cells with proper amounts of proteins, carbohydrate or fats.
340 - The digestive system functions to provide cells with proper amounts of proteins, carbohydrate or fats.
FALSE
341 - The disintegration of chromosomes during meiosis is called nondisjunction.
341 - The disintegration of chromosomes during meiosis is called nondisjunction.
FALSE
342 - The electrical initiation of a heartbeat begins in the _____ chamber wall.
342 - The electrical initiation of a heartbeat begins in the _____ chamber wall.
right atrium
343 - The element _____is an essential part of proteins.
343 - The element _____is an essential part of proteins.
sulfur
344 - The embryonic hindbrain gives rise to what structures in the brain?
344 - The embryonic hindbrain gives rise to what structures in the brain?
cerebellum, pons, and medulla oblongata
345 - The endocrine gland responsible for the body's circadian rhythm is the ______________ gland.
345 - The endocrine gland responsible for the body's circadian rhythm is the ______________ gland.
pineal
346 - The enzyme acetylcholinesterase acts to inhibit the stimulation between neurons.
346 - The enzyme acetylcholinesterase acts to inhibit the stimulation between neurons.
TRUE
347 - The enzyme salivary amylase begins to digest which molecules?
347 - The enzyme salivary amylase begins to digest which molecules?
carbohydrates
348 - The epidermal ridges or fingerprints are probably caused by the _____.
348 - The epidermal ridges or fingerprints are probably caused by the _____.
dermal papillae
349 - The epididymis is a coiled tubule in the testes that stores sperm cells.
349 - The epididymis is a coiled tubule in the testes that stores sperm cells.
FALSE
350 - The essential amino acids are the 20 that must be supplied in the diet.
350 - The essential amino acids are the 20 that must be supplied in the diet.
FALSE
351 - The exchange of gases between the blood and the cells of the body is called _________________.
351 - The exchange of gases between the blood and the cells of the body is called _________________.
internal respiration
352 - The expression "oxygen debt" refers to the lack of sufficient oxygen and lactic acid for contraction.
352 - The expression "oxygen debt" refers to the lack of sufficient oxygen and lactic acid for contraction.
FALSE
353 - The fact that a woman cannot generally grow a beard is because beard growth is a(n) ________________ trait.
353 - The fact that a woman cannot generally grow a beard is because beard growth is a(n) ________________ trait.
sex-limited
354 - The femur inserts into the pelvic girdle at the ____________________.
354 - The femur inserts into the pelvic girdle at the ____________________.
acetabulum
355 - The final branches of the interlobular arteries give rise to the _________________ that carry blood to the nephrons.
355 - The final branches of the interlobular arteries give rise to the _________________ that carry blood to the nephrons.
afferent arterioles
356 - The first heart sound is caused by closure of the _____ valves.
356 - The first heart sound is caused by closure of the _____ valves.
atrioventricular
357 - The first several steps of glycolysis are considered the energy-investment steps because ______________.
357 - The first several steps of glycolysis are considered the energy-investment steps because ______________.
energy from ATP is transferred to intermediates along the pathway to drive the reactions
358 - The first step in the utilization of proteins for energy is ________which occurs in the liver.
358 - The first step in the utilization of proteins for energy is ________which occurs in the liver.
deamination
359 - The following statements all regard reflexes. Choose the statement that is incorrect.
359 - The following statements all regard reflexes. Choose the statement that is incorrect.
Reflexes involve at least three neurons and all arc through the spinal cord.
360 - The force of exhalation is primarily due to _____________________.
360 - The force of exhalation is primarily due to _____________________.
elastic recoil of thoracic muscles
361 - The functions of the skin include all of these except __________________.
361 - The functions of the skin include all of these except __________________.
taking in nutrients
362 - The gastrointestinal tract is lined internally mainly with stratified cuboidal cells.
362 - The gastrointestinal tract is lined internally mainly with stratified cuboidal cells.
FALSE
363 - The Golgi apparatus plays a direct role in producing the complete cell membrane.
363 - The Golgi apparatus plays a direct role in producing the complete cell membrane.
FALSE
364 - The granular appearance of the renal cortex is due to ________________.
364 - The granular appearance of the renal cortex is due to ________________.
the random distribution of nephrons in this area
365 - The head is considered to be a cephalic area within the axial division of the body.
365 - The head is considered to be a cephalic area within the axial division of the body.
TRUE
366 - The heart muscle will still contract even if removed from the body.
366 - The heart muscle will still contract even if removed from the body.
TRUE
367 - The hormone _____ causes the contractions of labor.
367 - The hormone _____ causes the contractions of labor.
oxytocin
368 - The hormone _______________, which is secreted by the adrenal _______________, causes the kidney to conserve sodium and excrete potassium ions and indirectly helps to maintain systemic blood pressure.
368 - The hormone _______________, which is secreted by the adrenal _______________, causes the kidney to conserve sodium and excrete potassium ions and indirectly helps to maintain systemic blood pressure.
aldosterone; cortex
369 - The hormone aldosterone regulates the concentrations of _____________ and ______________ in the body.
369 - The hormone aldosterone regulates the concentrations of _____________ and ______________ in the body.
potassium ions and sodium ions
370 - The human liver is primarily located in the _____________________.
370 - The human liver is primarily located in the _____________________.
right upper quadrant of the abdominal area
371 - The imbalance known as ____________ can be caused by certain diuretic medications.
371 - The imbalance known as ____________ can be caused by certain diuretic medications.
hypokalemia
372 - The inability of the left ventricle to pump blood adequately to the body's cells is indicative of ________________.
372 - The inability of the left ventricle to pump blood adequately to the body's cells is indicative of ________________.
congestive heart failure
373 - The inner cell mass of the blastocyst will become the extraembryonic membranes and part of placenta.
373 - The inner cell mass of the blastocyst will become the extraembryonic membranes and part of placenta.
FALSE
374 - The inner surface of the eyelids are lined with ______________.
374 - The inner surface of the eyelids are lined with ______________.
conjunctiva
375 - The internal urethral sphincter is totally under parasympathetic, autonomic control.
375 - The internal urethral sphincter is totally under parasympathetic, autonomic control.
TRUE
376 - The junction between the diaphysis and epiphysis is called the _____.
376 - The junction between the diaphysis and epiphysis is called the _____.
epiphyseal disk
377 - The kidney tubules are lined with _____ epithelial cells.
377 - The kidney tubules are lined with _____ epithelial cells.
cuboidal
378 - The largest cells in the blood that leave the bloodstream to become macrophages are the _______________.
378 - The largest cells in the blood that leave the bloodstream to become macrophages are the _______________.
monocyte
379 - The last in the cardiac conduction sequence is the _____.
379 - The last in the cardiac conduction sequence is the _____.
Purkinje fibers
380 - The last pair of 23 chromosomes is referred to as the _____.
380 - The last pair of 23 chromosomes is referred to as the _____.
sex chromosomes
381 - The layer of connective tissue that separates the muscle tissue into small sections is called the ______________.
381 - The layer of connective tissue that separates the muscle tissue into small sections is called the ______________.
perimysium
382 - The layer of the heart that forms a smooth, protective lining of the heart chambers and valves is the _______________.
382 - The layer of the heart that forms a smooth, protective lining of the heart chambers and valves is the _______________.
endocardium
383 - The levels of which neurotransmitter are affected by the mood-elevator, cocaine?
383 - The levels of which neurotransmitter are affected by the mood-elevator, cocaine?
norepinephrine
384 - The lining of the vagina is covered with _____ cells.
384 - The lining of the vagina is covered with _____ cells.
stratified squamous
385 - The lipoprotein known as _____________ reduces surface tension within the alveoli so they do not collapse during exhalation.
385 - The lipoprotein known as _____________ reduces surface tension within the alveoli so they do not collapse during exhalation.
surfactant
386 - The liquid portion of blood is referred to as _____.
386 - The liquid portion of blood is referred to as _____.
plasma
387 - The lower arm is _____________ to the stomach area, while the head is ________________ to the stomach.
387 - The lower arm is _____________ to the stomach area, while the head is ________________ to the stomach.
lateral; superior
388 - The lungs are covered by a membrane called the _______________.
388 - The lungs are covered by a membrane called the _______________.
visceral pleura
389 - The lungs contain a ciliated mucous lining that helps remove foreign particles from them.
389 - The lungs contain a ciliated mucous lining that helps remove foreign particles from them.
FALSE
390 - The lymphatic system can either cause or cure a cancer.
390 - The lymphatic system can either cause or cure a cancer.
TRUE
391 - The lymphatic trunk that drains the upper limb is the _______________.
391 - The lymphatic trunk that drains the upper limb is the _______________.
subclavian trunk
392 - The lymphatic vessels function to transport fats and proteins from the intestinal villi to the blood.
392 - The lymphatic vessels function to transport fats and proteins from the intestinal villi to the blood.
FALSE
393 - The lysosomes within a cell contain hydrolytic enzymes capable of digesting particles within the cells.
393 - The lysosomes within a cell contain hydrolytic enzymes capable of digesting particles within the cells.
TRUE
394 - The main part of the stomach is the _______________ of the stomach.
394 - The main part of the stomach is the _______________ of the stomach.
body
395 - The major muscle lining the cheek is the _____.
395 - The major muscle lining the cheek is the _____.
buccinator
396 - The maximum amount of air a person can exhale after taking the deepest breath possible is the _________________.
396 - The maximum amount of air a person can exhale after taking the deepest breath possible is the _________________.
vital capacity
397 - The medullary cavity by the diaphysis of an adult bone would contain _____.
397 - The medullary cavity by the diaphysis of an adult bone would contain _____.
yellow bone marrow
398 - The membranes that surround the skull attach to the crista galli, found on the ________________ bone of the skull.
398 - The membranes that surround the skull attach to the crista galli, found on the ________________ bone of the skull.
ethmoid
399 - The molecule that an enzymes reacts with is called its _____.
399 - The molecule that an enzymes reacts with is called its _____.
substrate
400 - The most common neurotransmitter in the body is _____.
400 - The most common neurotransmitter in the body is _____.
acetylcholine
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