Arm and Cubital Fossa

Question 1

nerve that supplies the skin over the deltoid

Answer 1

superior lateral brachial cutaneous n (from axillary)

Question 2

Nerve that supplies the skin over the lateral aspect of the lower arm

Answer 2

lateral antibrachial cutaneous n

Question 3

nerve that supplies the skin over the upper medial aspect of arm

Answer 3

medial brachial cutaneous n

Question 4

n that supplies the skin of the lower medial and anterior aspects of arm

Answer 4

medial antibrachial cutaneous n

Question 5

n that supplies the skin of the armpit

Answer 5

intercostalbrachial n

Question 6

n that supplies the skin over the lateral aspect of upper ar m

Answer 6

proximal lateral - axillary 
distal lateral (before lateral antibrachial) - radial

Question 7

n that supplies skin over 4th and 5th digits

Answer 7

ulnar n

Question 8

n that supplies skin over first 3 digits (except snuffbox)

Answer 8

median n

Question 9

two fascia septum that separate arm

Answer 9

lateral intermuscular septum
medial intermuscular septum
both insert on humerus

Question 10

fascial thickening on posterior aspect of distal forearm

Answer 10

palmar carpal ligament

Question 11

fascial thickening on anterior aspect of distal forearm

Answer 11

extensor retinaculum

Question 12

the compartments of the forearm are primarily separated by

Answer 12

the interosseous membrane

Question 13

muscles of the anterior compartment of the arm and their innervation

Answer 13

coracobrachialis
biceps brachii
brachialis
musculocutaenous n

Question 14

muscles of the posterior compartment of the arm and their innervation

Answer 14

triceps brachii

radial n

Question 15

cubital fossa vascular anastomosis

Answer 15

SIMR 
PARR 
medial to lateral 
superior ulnar collateral a - inferior ulnar collateral a - middle collateral a - radial collateral a 
\_\_\_\_\_\_\_\_\_\_\_\_\_Cubital Anastamosis\_\_\_\_\_\_\_\_\_\_
Posterior ulnar recurrent
Anterior ulnar recurrent 
Recurrent Interosseous 
Radial Recurrent

Question 16

superior boundary of cubital fossa

Answer 16

imaginary line connecting medial and lateral epicondyles

Question 17

Medial border of cubital fossa

Answer 17

pronator teres m

Question 18

lateral border of cubital fossa

Answer 18

brachioradialis m

Question 19

floor of cubital fossa

Answer 19

brachialis and supinator mm

Question 20

roof of cubital fossa

Answer 20

continuity of brachial and antibrachial fascia, subcutaneous tissue and skin

Question 21

contents of cubital fossa

Answer 21

brachial a (and branches radial and ulnar)
accompanying veins
biceps brachii tendon
median n
radial n
cephalic, basilic, median cubital v
medial and lateral antibrachial cutaneous nn