Embryology Most Important MCQs

1 - " Dacryocystitis" is interruption in drainage of________________?






Lacrimal gland

2 - 1st arch artery is_________________?






Maxillary artery

3 - A non synovial joint with connective tissue in between is_____________?






syndesmosis

4 - A person showing two cell lines drived from one zygote is__________________?






Mosaicism

5 - Abduction of shoulder is done by all , EXCEPT_______________?






Teres major

6 - All are developed from muscles of 1 arch except____________?






Posterior belly of digastric

7 - All of the following are composite muscles except ____________?






Rectus femoris

8 - All of the following are derivatives of connective tissue except ___________?






Clara cells

9 - All of the following are true about skeletal muscle except _________________?






The nuclei are central

10 - All of the following cells are of endodermal origin except______________?






Odontoblasts

11 - Articular disc of TMJ_______________?






Fibro cartilaginous

12 - Basal lamina of blood vessel in CNS is secreted by______________?






Oligodendrocytes

13 - Broca's area is localized in______________?






Inferior frontal lobe

14 - Bundle of HIS is________________?






Has a dual blood supply?

15 - Carina in an adult is at the level of______________?






T4

16 - Claw hand is caused by ______________?






Ulnar nerve

17 - Cleft lip occurs due to failure of______________?






Fusion of median nasal process with maxillary process

18 - Contents of the middle car cavity are all except______________?






Cells of cord

19 - CSF is directly returned to venous system by _____________?






Arachnoid villi

20 - CSF is partly absorbed by lymphatics around _________ cranial nerves?






I,II, VII, VIII

21 - Derivative of second pharyngeal arch is________________?






Stylohyoid Ligament

22 - Development of palate beings at the age of________________?






4 weeks

23 - Developmentally stomodeum is separated from the pharynx dorsally by ____________?






Buccopharyngeal membrane

24 - Ducts of Bellini are found in_____________?






Kidney

25 - Early fusion of the coronal suture results in________________?






Brachycephaly

26 - Elastic cartilage is found in_________________?






Auditory tube

27 - Embryologically hard palate develop from________________?






All of the above

28 - External auditory meatus develops from___________________?






Dorsal part of 1st ectodermal pouch

29 - External ear cartilage is___________________?






Elastic

30 - Failure of descent of thyroid analage can be seen in the tongue_________________?






Near the base of tongue close to foraman caecum

31 - First pharyngeal arc derivatives include which of the following structures ?






Maxillary process

32 - From which pharyngeal pouches do the parathyroid glands develop ?






Third and fourth

33 - Haversian system is seen in______________?






Cortical bone

34 - Holocrine secretion is seen in_____________?






Sebaceous glands

35 - Hyoid bone is a derivative of_______________?






Second and third pharyngeal arches

36 - Imbilical cord contains_________________?






Two arteries and one vein

37 - In a cross section of thorax at T4 , which is found__________________?






Arch of aorta

38 - In adults, the spinal cord normal ends at______________?






Lower border of LI

39 - IN an adult, the spinal cord end at the level of_______________?






Lower border of LI

40 - In grey matter of cerebellum are the following nuclei_____________?






All of the above

41 - Infarction of anterior inferior cerebellar artery may cause damage to_______________?






Vestibular nuclei

42 - Level III neck nodes are____________?






around the middle 1/3rd of internal jugular vein

43 - Liver is divided into______________?






8 Couinaud Segments

44 - Maximum oral structures are having their origin from___________________?






Ectoderm

45 - Meckel's cartilage extends from______________?






Otic capsule

46 - Muscles of mastication develops from__________________?






1stbranchial arch

47 - Muscles of the tongue are derived from__________________?






Occipital myotomes

48 - Neural tube formation occurs on___________?






18 to 23 days post fertilization and is the second stage of craiofacial development

49 - Nucleus in brain common to IX, X and XI cranial nerves____________?






Nucleus ambiguous

50 - Number of somatic chromosome is________________?






44

51 - Only nerve that originates from the dorsal surface of the brain stem is______________?






Trochlear

52 - Palate is formed from:






Both A and D

53 - Palatine tonsil develops from________________?






Ventral part of II pharyneal pouches

54 - Parotid fascia extends anteriorly as _______________?






Masseteric fascia

55 - Part of the heart lying in front of oesophagus_____________?






Left atrium

56 - Posterior belly of digastric is derived from________________?






Second brachial arch

57 - Sella tursica lies above_______________?






Sphenoidal sinus

58 - Space of Disse is seen in______________?






Liver

59 - Spheno mandibular ligament is developed from________________?






first arch

60 - Suprasternal space contains the following structures except_____________?






External Jugular Vein

61 - Sympathetic innervation of heart is by_______________?






T2 – T6

62 - Thalamus is the largest relay centr for all sensory inputs_________________?






Olfaction

63 - The anatomical division in the right middle lobe of lung is______________?






Medial & Lateral

64 - The anterior relation of the middle ear cavity is______________?






Tensor tympani

65 - The anterior triangle occupy the side of the neck in front of sternomastoid muscle. Each triangle presents boundaries in front______________?






Anterior median line of the neck extending from symphysis menti to supra sternal notch

66 - The cortex of lymph node contains__________________?






Lymphatic nodules

67 - The fusion of two bony structures with a ligament is known as_______________?






syndesmosis

68 - The growth and development in the craniofacial region occurs in following order_______________?






The head first, then width of face and length (or) depth of face after wards.

69 - The kidney has _______ segments?






5

70 - The lateral lingual swellings and tuberculum impar give rise to______________?






Anterior 2/3 of tongue

71 - The lingual surface of epiglottis is lined by_______________?






Stratified squamous epithelium

72 - The maxillary sinus drains into_______________?






Inferior meatus

73 - The oesophagus commences at the following level_________?






Lower end of cricoid

74 - The oesophagus commences at the following level____________?






Lower end of cricoid

75 - The period of embryo extends_______________?






From fertilization till the eight week

76 - The posterior part of the tongue develops from_________________?






Third Arch

77 - The primary germ layer endoderm is derived from_____________?






Yolk sac

78 - The primordia of the cranifoacial complex develops______________?






Hensen's node

79 - The receptor cells of the olfactory epithelium are__________________?






Bipolar neurons

80 - The slightly movable articulations in which the contiguous bony surfaces are either connected by broad flattened disks of fibrocartilage or united by interosseous ligaments are known as______________?






Amphiarthroses

81 - The spinal nerve paris are_____________?






31

82 - The stability of the vertebral column is due to_____________?






All

83 - The tongue is formed from____________?






1st ,3rd, 4th bronchial arches

84 - The total volume of CSF is_______________?






150 ml

85 - Thyroid gland develops rom________________?






Thyroglossal duct

86 - Tongue develops from all of the following except_______________?






Arytenoid swellings

87 - Type of collagen present in cicumaxillary sutures _______________?






Type I

88 - Unpaired structure in the brain_______________?






Basilar artery

89 - Upper and lower lips are formed from which embryonic processes_____________?






Maxillary mandibular lateral nasal and median nasal

90 - Visual cortex is present in the_____________?






Occipital lobe

91 - What is the type of joint between the ossicles of ear ?






synovial joint

92 - Which cells are not present in cerebral cortex ?






Purkinje

93 - Which is not formed from the cartilaginous part of viscerocranium ?






Zygoma

94 - Which of the following does not drain into the sub mental lymph nodes ?






Upper lip

95 - Which of the following is a derivative of the second brachial cleft________________?






Palatine tonsil

96 - Which of the following is not a neuroectodermal derivative ?






Paneth cells

97 - Which of the following is NOT true about paramedian pits _______________?






Found on the upper lip

98 - Which of the following is the nerve of third branchial arch____________?






Glossopharyngeal

99 - Which of the following organs has the most permeable capillaries ?






Liver

100 - Which part of the body is underdeveloped at birth_____________?






Face

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