Hand

Question 1

The lateral 2/3 and lateral 3 1/2 fingers in the palm of the hand are supplied by?

Answer 1

Cutaneous branches of the median nerve

Question 2

The medial 1/3 and medial 1 1/2 fingers in the palm of the hand are supplied by?

Answer 2

Cutaneous branches of the ulnar nerve

Question 3

The lateral 2/3 and lateral 3 1/2 fingers in the dorsum of the hand are supplied by?

Answer 3

Cutaneous branches of the radial nerve

Question 4

The nail bed and adjacent skin of the lateral 2/3 and lateral 3 1/2 fingers in the dorsum of the hand are supplied by?

Answer 4

Cutaneous branches of the median nerve

Question 5

The medial 1/3 and medial 1 1/2 fingers in the dorsum of the hand are supplied by?

Answer 5

Cutaneous branches of the ulnar nerve

Question 6

The skin over the base of the thumb is supplied by?

Answer 6

Musculocutaneous Nerve

Question 7

Enumerate the deep fascia of the hand

Answer 7

• flexor retinaculum
• palmar aponeurosis
• extensor retinaculum
• extensor expansion

Question 8

Structures attached medially to the flexor retinaculum?

Answer 8

Pisiform

Hamate

Question 9

Structures attached laterally to the flexor retinaculum?

Answer 9

Scaphoid

Trapezium

Question 10

Structures superficial to flexor retinaculum

Answer 10

• ulnar nerve
• ulnar vessels
• cutaneous branches of ulnar nerve
• cutaneous branches of median nerve
• tendon of palmaris longus

Question 11

Structures deep to flexor retinaculum

Answer 11

• median nerve
• flexor digitorum profundus (tendons)
• flexor digitorum superficialis (tendons)
• flexor pollicis longus
• flexor carpi radialis

Question 12

Function of the palmar aponeurosis

Answer 12

protection of the underlying vessels and nerves of the palm of the hand

Question 13

Lateral attachment to the extensor retinaculum

Answer 13

anterior border of the radius

Question 14

Medial attachment to the extensor retinaculum

Answer 14

triquetral

pisiform

Question 15

Structures superficial to the extensor retinaculum

Answer 15

• basilic vein
• dorsal cutaneous branch of the ulnar nerve
• superficial radial nerve

Question 16

1st compartment deep to the extensor retinaculum

Answer 16

abductor pollicis longus

extensor pollicis brevis

Question 17

2nd compartment deep to the extensor retinaculum

Answer 17

extensor carpi radialis longus

extensor carpi radialis brevis

Question 18

3rd compartment deep to the extensor retinaculum

Answer 18

extensor pollicis longus

Question 19

4th compartment deep to the extensor retinaculum

Answer 19

4 tendons of extensor digitorum
extensor indicis
anterior interosseus
posterior interosseus

Question 20

5th compartment deep to the extensor retinaculum

Answer 20

extensor digiti minimi

Question 21

6th compartment deep to the extensor retinaculum

Answer 21

extensor carpi ulnaris

Question 22

Thenar Muscles

Answer 22

Abductor pollicis brevis
flexor pollicis brevis
opponens pollicis
adductor pollicis

Question 23

Muscles of Thenar eminence

Answer 23

Abductor pollicis brevis
flexor pollicis brevis
opponens pollicis

Question 24

Hypothenar muscles

Answer 24

flexor digiti minimi
abductor digiti minimi
opponens digiti minimi

Question 25

Nerve supply of the first and second lumbrical

Answer 25

median nerve

Question 26

Nerve supply of the palmaris brevis

Answer 26

Superficial branch of the ulnar nerve

Question 27

Nerve supply of the thenar eminence muscles

Answer 27

median nerve

Question 28

Medial boundary of the anatomical snuff box

Answer 28

tendon of the extensor pollicis longus

Question 29

Lateral boundary of the anatomical snuff box

Answer 29

tendons of the abductor pollicis longus and extensor pollicis brevis