1 - A decrease in the rate of beating of heart is called:
Tachycardia
2 - A pace-maker is found in the:
Heart
3 - A person having bradycardia is likely to have which of the following:
Low temperature of his body
4 - A person having high concentration of CO2 in his blood would have:
Accelerated heart rate
5 - A person having hypoxia, high temperature and increased CO2 level in his blood would likely have:
Tachycardia
6 - Acetylcholine retards the rate of heart beating by:
Both (a) & (b)
7 - After coming from gymnaseum, our heart rate would be:
Increased
8 - Amino acids are formed as waste products of protein metabolism in:
Both (a) & (b)
9 - Ammonia is formed as a result of deamination of amino acids in vertebrates and those which pass out urine in form of ammonium hydroxide are called:
Ammonotelic
10 - An increase in the heart rate is termed:
Tachycardia
11 - At the end of ventricular systole the closure of semilunar valves of pulmonary and systemic aortae produces a sound called:
Dup
12 - Blood pressure is the force which:
Heart exerts on blood going out of it
13 - Brain receives which of these percentages of cardiac output:
0.1
14 - Bundle of His in mammalian heart extends through:
Interventricular septum
15 - By beating 72 times per minute, our heart pumps about how much of blood into the body:
5 litres
16 - Closure of tricuspid and bicuspid valves during ventricular contraction produces:
Low-pitched sound called 'lubb'
17 - Diastolic blood pressure in a normal healthy man is:
80mm of Hg
18 - During artrial systole only 30% filling of ventricle is done the remaining 70% filling of the ventricles is done during:
Their own diastole which occurs earlier
19 - During average span of 50 years of life, the human heart beats about for:
Two bullion time
20 - During condition of fever the rate of our hearbeat will be:
Increased
21 - During diastole the:
Blood leaves the heart
22 - During exercise a person is likely to have:
Tachycardia
23 - During Ischaemia of myocardium the blood supply to muscles of heart in coronary artery is:
Reduced
24 - Electrocardiogram is:
Recording of electrical activity in the heart
25 - Excretion, in strict sense, is the process of:
Removal of waste products of protein metabolism
26 - Fall in the concentration of CO2 in one's blood will induce:
Bradycardia
27 - Flow in medium sized arteries is:
250mm per second
28 - Flow of blood in large arteries is:
500mm per second
29 - Flow of blood in the capillaries of man will be:
1/500 times that of aorta
30 - Free nerve endings of sympathetic nervous system will release which of these substances during the condition of tachycardia in our body:
Noradrenaline
31 - Heart beat in man is initiated by:
SA-Node
32 - Heart beat is conducted by a nodal tissue made up of specialized muscles called:
Myonemes
33 - Heart beat is under the control of:
Autonomic system
34 - Heart in vertebrates is:
Myogenic
35 - How many times does the heat of man beats per minute
72 times
36 - How much filling of the ventricle is done artrial systole:
0.3
37 - How much percentage of cardiac output is received by the digestive organs in the body:
0.25
38 - Hypoxia in our body would bring which of these conditions:
Tachycardia
39 - Hypoxia in our body would:
Increase our heart rate
40 - Ichaemia of myocardium in a person may often lead to:
Mycardial infraction
41 - If a person is given an injection of noradrenaline, then his heart would show:
Techycardia
42 - Impulse passes through bundle of His at the rate of:
5mm per second
43 - In case of ureotelic animals:
Urine is passed out in form of solution of urea
44 - In which of these animals the ammonia formed primarily as a result of protein metabolism is converted to urea:
All of these
45 - Instrument for measuring blood pressure is called:
Sphygnomanometer
46 - Kidneys receive:
20% of cardiac output
47 - Mass of self-excitatory nodal fibres in mammalian heart is represented by:
SA-Node
48 - Neural control of heart beat is done by which of the following nerves:
Sympathetic fibres occurring in some spinal nerves
49 - Node of Tawara in rabbit's heart is:
SA-Node
50 - Noradrenaline accelerates the beating of heart by:
By bringing all these changes
51 - Of the cardiac output which of these percentages of blood is received by the muscles of heart itself:
0.1
52 - One of the main causes of ischaemia of myocardium is:
Both of these reasons together
53 - Other organs of the body receive:
30% of the cardiac output
54 - Pace-maker in heart of man influences:
Contraction of heart muscles
55 - Pacemaker of the heart is situated:
In the wall of right auricle close to Eustachian valve
56 - Parasympathetic nerve fibres decrease the rate of heartbeat by releasing which of these at their free endings:
Acetylcholine
57 - Parasympathetic stimulation of heart is done at:
Both (a) & (b)
58 - Percentage of blood contained in pulmonary circulation in man is:
0.16
59 - Persons suffering from hypertension should take following precautions in order to avoid excessive rise in he their blood pressure:
Avoid emotional disturbances and excitements
60 - Physiology of blood circulation was first described by:
William Harvy
61 - Principle pacemaker in mammalian heart is:
SA-Node
62 - Pulse is defined as:
An alternate expansion and recoil of an artery
63 - P-wave in electrocardiogram is produced by:
Activation of SA-Node
64 - P-wave in the electrocardiogram is produced by:
Beginning of ventricular relaxation
65 - Regulation of heart beat in mammals is only due to:
Presence of pace-maker in the heart
66 - Right fasciculum of bundle of His is:
Cylindrical bundle made up of slender fibres
67 - Role of pace-maker is:
To initiate the heart beat
68 - SA-Node in rabbit's heart is found in the:
Wall of right auricle near the opening of right anterior vena cava
69 - SA-Node initiates heart beat in:
Right and left both
70 - Slowing of heart rate in man is done by:
Parasympathetic nerve fibres by releasing acetylcholine
71 - Sphygnomanometer means an instrument that measures:
Blood pressure
72 - Sympathetic nerve fibres increase the rate of heartbeat by releasing which of these at their free endings:
Noradrenaline
73 - Sympathetic stimulation of heart is done during:
All of these
74 - Systolic blood pressure in a young man normally is:
120mm of Hg
75 - The cardiac output means:
Amount of blood pumped by heart per minute
76 - The depressor nerve in the heart is a branch of:
10th cranial nerve
77 - The heart rate in man is increased by:
Sympathetic nerve fibres by releasing sympathin at free verve endings
78 - The heart rate of a person having 102?F temperature as compared to a person having normal temperature will be:
Increased
79 - The heart sounds can be heard by using a:
Stethescope
80 - The impulse from SA-Node to AV-Node is conducted by means of:
A bundle of specialized fibres
81 - The rate of blood flow in capillaries of man will be:
1mm per second
82 - The rate of conduction through bundle of His is:
Very fast
83 - The total cross-sectional area of capillaries in man is:
500 times that of aorta
84 - Time taken respectively in contraction and relaxation of ventricles is:
0.3 second and 0.5 second
85 - Time taken to complete a cardiac cycle in man is:
0.83 seconds
86 - Under which of these conditions, the heart rate is retarded by liberating acetylcholine:
None of these
87 - Under which of these situations the rate of heartbeat is accelerated by noradrenaline:
All of these
88 - What will happen to our heart beat in case our body temperature is decreased:
First increased then decreased
89 - Which of these are conducting elements in the heart of mammals:
All of these
90 - Which of these is correct percentage respectively of blood received by the heart muscles, brain, digestive organs, kidneys and other organs:
10%, 15% 25%, 20% and 30%
91 - Which of these is time taken respectively in contraction and relaxation of atria in man?
0.1 second and 0.7 second
92 - Which of these muscles in the body have no pause and fatigue:
Cardiac muscles
93 - Which of these nerve fibres accelerate the rate of heart beat:
Sympathetic nerve fibres from some spinal nerves
94 - Which of these refers to sounds in the heart:
Both of these
95 - Which of these situations may be present in the body during tachycardia:
Both (a) & (b)
96 - Which of these structures is respobsible for conducting heart beat in rabbit's heart:
Perkinjie fibre
97 - Which of these substances will be produced by our body in order to bring state of bradycardia:
Acetylchoiline
98 - Which of these will be produced in the body during fever when we have tachycardia:
Noradrenaline
99 - Which one is the percentage of blood contained in the heart in man is:
0.07
100 - Why do we have techycardia during fever?
Because the increase in temperature increase the heart rate
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