Anatomy Flashcards

1
Q

Nerve most likely to get damaged in CS

A

Lateral femoral cutaneous nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Damage to which nerve causes hiccups

A

Phrenic nerve ( eg. In aortic dissection )

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the underlying cause of Sirenomelia (Single limb)

A

Caudal Dysgenesis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Lesion in the paracentral lobule causes weakness in the following region

A

perineum and limbs, contralateral lower limbs, Urinary incontinence and fecal incontinence

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Trendelenberg sign

A

Stability of the pelvis and hip abductor muscles such as Gluteus medius and Maximus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

The maxillary artery is formed from which arch

A

Mandibular arch (first)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

internal and common carotid artery id formed from which arch

A

Third arch (hyoid)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

The fourth arch develops into

A

aortic arch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Ductus arteriosus develops from which pharyngeal arch

A

6th

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Structure developing in dorsal mesogastrium:

A

Spleen at 6th week of intrauterine life

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Skin receptor responsible for detecting rapid vibration

A

Paccinian corpuscle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Skin receptor responsible for detecting edges and corners

A

Merkel cell

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Skin receptor responsible for pressure

A

Ruffini’s corpuscles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Failure of closure of rostral neuropore at 25th day leads to

A

Anencephaly

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Failure of closure of Caudal neuropore at 28th day leads to

A

Spina Bifida

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Neural crest cell mi ation is due to:

A

Hyaluronic acid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

First pouch

A

Middle ear cavity and eustasian tube

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

2nd pouch forms

A

palatine tonsils

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

3rd pouchforms

A

parathyroid and thymus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

4th pouch forms

A

Superior parathyroid and c-cells responsible for calcitonin production

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Tumor derived from Rathke’s pouch

A

Craniopharyngioma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

hardest bone in the body

A

Osseus Labrynth: part of temporal bone , also called rock bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Homologus male parts of Labia majora and minora

A

Scrotum and Penile shaft

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

how many blood vessels in umbilicus

A

2 arteries and 1vein supplying to fetus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Superoir vena cava is derived from

A

Cardinal vein

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

StyIohyoid ligament is derived from

A

2nd brachial arch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Sphenomandibular ligament is derived from which branchial arch?

A

1st

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Tonsil is derived from:

A

2nd pouch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

External auditory canal is formed from:

A

Dorsal part of 1st cleft

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Lower 1/3 of vagina is formed by:

A

sinovaginal bulb or urogenital sinus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

Upper 2/3 of vagina is formed from

A

Mullerian duct or parameso nephric duck

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Hypoblast and epiblast forms:

A

Prechordal plate and notochord

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

gastrulation occurs at

A

Week 3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

First germ layer to be formed is:

A

endoderm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

Pons is derived from

A

Metencephalon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

Metanephros gives rise to what structure

A

Definitive adult kidney

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

collecting duct is dervied from

A

ureteric bud

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

Prostate is derived from

A

Urongenital Sinus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

Synovial fluid is produced by which cells

A

Type B synoviocytes

40
Q

what is respberry tumor

A

umbilical adenoma

41
Q

fecal fistula at umbilicus is due to

A

Persistent vitellointestinal duct

42
Q

At what stage of embryonic development does an embryonormally begin to implant in the endometrium?

A

Blastocyst at the 6th day

43
Q

Fetal stage is termed at

A

10th week of gestation or 8th week of fertilization

44
Q

where is adrenal medulla dervied from

A

neural crest cells

45
Q

Where is adrenal cortex dervied from

A

Mesoterm

46
Q

Germ cells develops from

A

Yolk sac

47
Q

testosterone is secreted by

A

Leydig cell

48
Q

Gallbladder is lined by

A

Brush bordered columnar epithelium

49
Q

Hassall’s corpuscles are found in:

A

Thymus

50
Q

Cord of billroth is seen in:

A

Spleen

51
Q

Longest extra ocular muscle

A

Superior oblique

52
Q

Length of fallopian tube

A

12 CM

53
Q

Length of fallopian tube

A

12 CM

54
Q

Arch of aorta begins and terminates at

A

T4 level

55
Q

Arch of aorta begins and terminates at

A

T4 level

56
Q

Most commonly paralyzed nerve

A

Facial nerve because of it’s intraocious route

57
Q

Site of tracheostomy

A

Tracheal ring 2-3

58
Q

Nerve supply of gluteus maximus

A

SUPERIOR gluteal N.
(L5 s1, s2)

59
Q

Nerve supply of gluteus medius and
minimus

A

SUPERIOR gluteal N.
(l4, l5, Sl)

60
Q

Muscle which opens Eusta-chian tube
while yawning

A

Tensor veti palatini
and levator veli
palatini

61
Q

Most common fracture of humerus

A

Supracondylar
fracture

62
Q

Infection of CNS spreads in inner ear
through

A

Cochlear Aqueduct

63
Q

2/3rds of the tongue develops from

A

floor of the first arch

64
Q

posterior 1/3rd of the tongue is from

A

floor of 3rd arch

65
Q

epiglottis develops from

A

floor of the 4th arch

66
Q

kidneys develop from

A

intermediate mesoderm

67
Q

Structure overlying left kidney

A

Body of pancreas

68
Q

bladder and urethra is formed from

A

endoderm

69
Q

The definitive kidney, known as the metanephros, begins to develop in

A

5th week

70
Q

when is the functional kidney formed

A

12th week

71
Q

during what week of the gestation does gonadal differentiation happens

A

5th week

72
Q

sex determination occurs around

A

7-8 weeks

73
Q

Proliferation of nerve cells happens at

A

12-14 weeks

74
Q

metencephalon forms the

A

pons and cerebellum

75
Q

Medulla is formed from which vesicle

A

Myelencephalon

76
Q

where does the abdominal aorta bifurcates

A

L4, into left and right common iliac arteries

77
Q

lesser curvature of the stomach is supplied by

A

Left gastric artery

78
Q

blood supply of the gall bladder

A

cystic artery, a branch of right hepatic artery

79
Q

blood supply of transverse colon

A

middle colic artery , a branch of SMA

80
Q

blood supply of ascending colon

A

right colic artery

81
Q

temporomadibular joint is of what type

A

Synovial

82
Q

where is elastic cartilage found

A

Elastic cartilage is located in the pinna of the ear, external and internal auditory tubes, epiglottis, and larynx (cuneiform cartilage).

83
Q

Hyaline cartilage of respiratory tree extends up to:

A

Bronchi

84
Q

Secondary ossification centre appears before birth at

A

lower end of femur

85
Q

The core of the branchial arch is derived from:

A

Mesoderm and Neural crest cells

86
Q

rostral neuropore closes on

A

day 25

87
Q

Ovaries develop from

A

genital ridge

88
Q

The most common type of tracheoesophageal fistula (TEF) is

A

Type a or Esophageal atresia with distal TEF

89
Q

A palpable fluid-filled mass that is connected to the umbilicus superiorly and urinary bladder interiorly is diagnostic of the

A

urachal cyst

90
Q

a Mullerian anomaly caused due to the defect in the formation or fusion of paired Mullerian ducts

A

Unicornuate uterus

91
Q

Clitoris develops from

A

Genital tubercle

92
Q

motility and maturity of sperms in done in

A

epididymis

93
Q

Spermatogonium to spermatozoa transformation takes place in how many days

A

74

94
Q

Primitive Streak Appear On Which Day During Embryonic Period ?

A

15

95
Q

Cells which surround the oocyte in Graafian follicle are called:

A

cummulus oopherus

96
Q
A