anatomy random

Question 1

which epithelial jxn is composed of claudins and occludins?

Answer 1

epithelial cell jxns

Question 2

which epithelial jxn is composed of cadherins?

Answer 2

adherens jxn

Question 3

which epithelial jxn is composed of connexons

Answer 3

gap jxn

Question 4

which muscle in the rotator cuff is responsible for lateral/external rotation?

Answer 4

infraspinatus

teres minor

Question 5

fracture at surgical neck of humerus

Answer 5

axillary nerve, posterior circumflex artery

Question 6

fracture at midshaft of humerus

Answer 6

radial nerve, deep brachial artery

Question 7

fracture at distal end of humerus

Answer 7

ulnar nerve, brachial artery

Question 8

loss of forearm flexion and supination, loss of sensation over lateral arm

Answer 8

musculocutaneous nerve injury

Question 9

supracondylar fracture of humerus

Answer 9

proximal median nerve lesion

Question 10

repetitive flexion injury with pain over common flexor mass

Answer 10

medial epicondylitis

Question 11

most commonly dislocated hand bone? results in?

Answer 11

lunate; results in acute carpal tunnel syndrome

Question 12

which nerve courses the superficial inguinal ring and can potentially be injured in hernia repair?

Answer 12

ilioinguinal L1

Question 13

decr medial thigh sensation and decr adduction post pelvic surgery

Answer 13

obturator nerve (L2-L4)

Question 14

decr thigh flexion and leg extension after pelvic fracture

Answer 14

femoral nerve (L2-L4)

Question 15

what nerve innervates the gluteus medius muscle

Answer 15

superior gluteal nerve

Question 16

presents with foot drop, loss of eversion and dorsiflexion, loss of sensation on dorsum of foot

Answer 16

common peroneal nerve (L4-S2)

“PED: Peroneal Everts and Dorsiflexes; if injured, foot dropPED”

Question 17

inability to curl toes and loss of sensation on sole of foot

Answer 17

tibial nerve injruy

“TIP: Tibial Inverts and Plantarflexes; if injured, can’t stand on TIPtoes”

Question 18

problems rising from chair, loss of hip extension

Answer 18

inferior gluteal nerve injury (gluteus maximus)