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DIT > Anatomy > Flashcards

Anatomy Flashcards

1
Q

Loss of forearm pronation

A

Median n.

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2
Q

CN 1 exits skull via

A

Cribiform plate

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3
Q

CN 2 exits skull via

A

optic canal

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4
Q

CN 3 exits skull via

A

Superior orbital fissure

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5
Q

CN 4 exits skull via

A

Superior orbital fissure

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6
Q

CN 5-1 exits skull via

A

Superior orbital fissure

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7
Q

CN 5-2 exits skull via

A

Foramen Rotundum

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8
Q

CN 5-3 exits skull via

A

Foramen ovale

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9
Q

CN 6 exits skull via

A

Superior orbital fissure

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10
Q

CN 7 exits skull via

A

Internal acoustic meatus

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11
Q

CN 8 exits skull via

A

Internal acoustic meatus

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12
Q

CN 9 exits skull via

A

Jugular foramen

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13
Q

CN 10 exits skull via

A

Jugular foramen

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14
Q

CN 11 exits skull via

A

Jugular foramen

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15
Q

CN 12 exits skull via

A

Hypoglossal canal

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16
Q

Occlusion of what a. may result in CN12 lesion

A

ASA infarct

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17
Q

Occlusion of what a. may result in CN9-11 lesion

A

PICA infarct

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18
Q

CN12 lesion, the tongue deviates

A

toward the lesion

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19
Q

CN10 lesion, the uvula deviates

A

away from the lesion

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20
Q

Light shone into the Left eye–> neither pupil constricts

Light shone into the Right eye –> both pupils constrict

A

Afferent pupillary defect –> CN2 lesion

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21
Q

Light shone into the Left eye–> Left pupil doesn’t constrict
Light shone into the Right eye –> Left pupil doesn’t constrict

A

Efferent pupillary defect –> CN3 lesion

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22
Q

What a. is occluded in homonymous hemianopsia w/ macular sparing?

A

PCA

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23
Q

Boundaries of the femoral triangle

A

Adductor longus, Sartorius, & inguinal ligament

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24
Q

Carpal bones (proximal L -> M, distal L -> M)

A

Scaphoid, Lunate, Triquetrum, Pisiform,

Trapezium, Trapezoid, Capitate, Hamate

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25
Q

Contents of carpal tunnel

A

4 flexor digitorum profundus tendons
4 flexor digitorum superficialis tendons
Flexor pollicis longus tendon
Median n.

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26
Q

Colles fracture

A

“Fall on an outstretched hand”

Fx of the distal radius -> posterior displacement of the distal fragment

27
Q

A. injured in a surgical neck of the humerus Fracture

A

posterior circumflex a.

28
Q

A. injured in a supracondylar fracture of the humerus

A

brachial a.

29
Q

A. injured in a midshaft fracture of the humerus

A

Profunda brachii a.

30
Q

Closure of the PDA results in what adult structure?

A

Ligamentum arteriosum

31
Q

What a. is derived from the 1st aortic arch?

A

part of the maxillary a.

32
Q

What a. is derived from the 2nd aortic arch?

A

stapedial a.

33
Q

What a. is derived from the 3rd aortic arch?

A

common carotid & proximal internal carotid aa

34
Q

What a. is derived from the 4th aortic arch?

A

aortic arch & subclavian

35
Q

What a. is derived from the 6th aortic arch?

A

Pulmonary aa. & ductus arteriosus

36
Q

Motor innervation to the tongue?

A

CN 12

37
Q

Sensory innervation to the ant 2/3 of the tongue?

A

Lingual n. (CN 5-3)

38
Q

Taste to the ant 2/3 of the tongue

A

CN 7

39
Q

Sensory & taste to the post 1/3 of the tongue

A

CN 9

40
Q

The maxillary sinuses drain into the nasal

A

middle meatus - Hiatus Semilunaris

41
Q

Unhappy Triad

A

ACL, MCL, medial meniscus

42
Q

Bifid ureters is d/t abnormal

A

division of the ureteric bud (early = distal)

43
Q

What v. allows blood to enter the vena cave when cirrhosis causes obstruction of the portal v.

A

Azygos & Hemiazygous vv. (esophageal plexus) Superior rectal v. (Middle & Inf rectal v.) Paraumbilical v. (Epigastric v.)

44
Q

Mesonephric duct gives rise to what adult structure

A

Wolffian duct (testes)

45
Q

Metencephalon gives rise to what adult structures?

A

Cerebellum & Pons

46
Q

Epiploic foramen contains

A

Hepatic a., Portal v., common bile duct

47
Q

Sensory innervation to the scrotum & medial thigh is provided by

A

Ilioinguinal n.

48
Q

Urogenital folds give rise to

A 
ventral penis (urethra)
Labia minora
49
Q

What nerve would be injured in a lateral blow to the knee resulting in foot drop & inability to dorsiflex & evert foot?

A

Common Fibular n.

50
Q

What nerve injury would result in inability to dorsiflex the foot + loss of sensation b/w toes 1-2

A

Deep Fibular n.

51
Q

Ligament torn in a everted ankle sprain

A

Calcaneofibular

52
Q

An infant w/ TA must also have what cardiac abnormality?

A

VSD

53
Q

Double aortic arch results from what embryologic abnormality?

A

persistence of the right dorsal a. from the 7th intersegmental a.

54
Q

Palatine tonsils are derived form

A

2nd pharyngeal pouch

55
Q

What vessel is ligated during a hysterectomy & what structure may be inadvertently damaged?

A

Uterine a.; Ureter

56
Q

HA + vomiting + loss of upper gaze + upper part of sclera is visible above the downward-looking iris?

A

Tumor in the pineal gland area

57
Q

The splenic a. runs through the

A

Splenorenal ligament

58
Q

Indirect Inguinal Hernia

  1. relation to inf. epigastric a.
  2. passage via
A

Lateral to inf. epigastric a.
Enters deep inguinal canal & exits through superior inguinal canal
Enters into scrotum (parietal peritoneum)
d/t patent processus vaginalis

59
Q

Direct Inguinal Hernia

A

Through hesselbachs triangle (medial to inf. epigastric a.)
Transversalis fascia
Rarely enter scrotum

60
Q

Hesselbach’s triangle

A

Inferior epigastric a.
Inguinal ligament
Rectus abdominus

61
Q

Pain in the anatomical snuffbox ->

A

scaphoid fracture

62
Q

What is a potential complication with scaphoid fracture?

A

decreased blood supply from radial a. –>

avascular necrosis

63
Q

Weak wrist extension + intact arm sensation

A

Radial n. injury at head of radius

DIT (22 decks)

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