Deck 13: Hand

Question 1

Damage to the radial nerve would impair all of the following muscles EXCEPT the

A) extensor digitorum.
B) extensor pollicis longus.
C) flexor pollicis longus.
D) extensor digiti minimi.

Answer 1

C

Question 2

Which muscle originates on the flexor digitorum profundus tendon and inserts on the tendon of the extensor digitorum muscle?

A) Palmar interossei
B) Dorsal interossei
C) Flexor pollicis brevis
D) Lumbricales

Answer 2

D

Question 3

With the palm down on the table,raise the second finger off the table.This requires muscle action of the

A) flexor digitorum longus.
B) flexor indicis.
C) extensor indicis.
D) extensor digiti minimi.

Answer 3

C

Question 4

Which muscle originates on the hamate and flexor retinaculum and inserts on the fifth metacarpal?

A) Opponens pollicis
B) Opponens digiti minimi
C) Lumbricales
D) Palmar interossei

Question 5

A person with inflammation in the carpal tunnel could have weakness in any of the following muscles EXCEPT the

A) extensor digitorum.
B) flexor digitorum superficialis.
C) flexor digitorum profundus.
D) abductor pollicis brevis.

Question 6

Which type of grip is used to hold on to a walker handle?

A) Lumbrical grip
B) Pincer grip
C) Cylindrical grip
D) Spherical grip

Question 7

Which type of grip is used to pick up a coin?

A) Lumbrical grip
B) Pincer grip
C) Cylindrical grip
D) Spherical grip

Question 8

Which muscle originates on the humeral lateral condyle and inserts at the base of the distal phalanges of the four fingers?

A) Flexor digitorum profundus
B) Extensor digitorum
C) Flexor digitorum superficialis
D) Extensor carpi radialis longus

Question 9

Which bony arch is formed by the heads of the metacarpals?

A) Lumbrical arch
B) Proximal carpal arch
C) Distal carpal arch
D) Longitudinal arch

Question 10

Your patient had trauma to the ulnar nerve and cannot actively abduct and adduct her fingers.You note weakness of which of the following muscles as a result of this?

A) Lumbricales three and four
B) Opponens digiti minimi
C) Dorsal and palmar interossei
D) Flexor digiti minimi

Question 11

The flexor digitorum superficialis muscle flexes all but which of the following joints of the fingers?

A) Distal interphalangeal joints (DIP)
B) Proximal interphalangeal joints (PIP)
C) Metacarpophalangeal joints (MCP)
D) This muscle flexes all of these joints.

Question 12

Which type of grip is used to grasp the rim of a wheelchair?

A) Lumbrical grip
B) Pincer grip
C) Cylindrical grip
D) Spherical grip

Question 13

Which muscle originates on the lateral humeral epicondyle and inserts at the base of the distal phalanx of the fifth finger?

A) Palmaris longus
B) Extensor digiti minimi
C) Flexor digiti minimi
D) Extensor indicis

Question 14

The functional position of the hand includes all of the following joint positions EXCEPT

A) some wrist flexion.
B) flexion of the metacarpophalangeal and interphalangeal joints.
C) the thumb in slight opposition.
D) some wrist extension.

Question 15

Which muscle originates on the scaphoid,trapezium,and flexor retinaculum and inserts on the proximal phalanx of the thumb?

A) Abductor pollicis brevis
B) Opponens pollicis
C) Flexor digiti minimi
D) Abductor digiti minimi

Question 16

Which type of grip is used to grasp a plate?

A) Lumbrical grip
B) Pincer grip
C) Cylindrical grip
D) Spherical grip

Question 17

Which muscle does NOT make up the anatomical snuffbox?

A) Abductor pollicis brevis
B) Extensor pollicis brevis
C) Extensor pollicis longus
D) Abductor pollicis longus

Question 18

The intrinsic muscle mass on the little finger side of the palm is made up of which set of muscles?

A) Thenar muscles
B) Radial muscles
C) Opponens muscles
D) Hypothenar muscles

Question 19

The structure that spans the posterior side of the wrist from the ulnar styloid process to the lateral radius is called the

A) flexor retinaculum.
B) extensor retinaculum.
C) extensor hood.
D) palmar carpal ligament.

Question 20

Which muscle originates on the medial humeral epicondyle and inserts at the sides of the middle phalanges of the fingers?

A) Flexor digitorum profundus
B) Extensor digitorum
C) Extensor digiti minimi
D) Flexor digitorum superficialis

Question 21

Which carpal bone makes up the floor of the anatomical snuffbox and is the most frequently fractured carpal bone?

A) Capitate
B) Lunate
C) Scaphoid
D) Pisiform

Question 22

Carpal tunnel syndrome involves compression of which of the following nerves?

A) Radial
B) Ulnar
C) Median
D) Brachial