FiltersDone

Question type

Essay

Multiple Choice

Short Answer

True False

Matching

Exam 7: The Wrist and Hand Joints

Show Answer

Share

---

All types

Filters

Study Flashcards

Question 21

Multiple Choice

Review LaterAdd Note

Review Later

When using the flexor digitorum profundus and flexor digitorum superficialis to tightly grip an object with the fingers, which of the following muscles assist in this effort by stabilizing the wrist?

A) The abductor pollicis longus, extensor pollicis longus and extensor pollicis brevis
B) The extensor digitorum, the extensor indicis, and the extensor digiti minimi
C) The extensor carpi radialis longus, extensor carpi radialis brevis, and extensor carpi ulnaris
D) The flexor carpi ulnaris, palmaris longus, and flexor carpi radialis

E) A) and D)
F) B) and C)

Correct Answer

verified

Show Answer

Question 22

True/False

Review LaterAdd Note

Review Later

The flexor pollicis longus muscle inserts on the base of the distal phalanx of the thumb on the palmar surface.

A) True
B) False

Correct Answer

verified

Show Answer

Question 23

Multiple Choice

Review LaterAdd Note

Which of the following is the insertion of the extensor carpi radialis brevis muscle?

Essentially all of the wrist and finger extensors are innervated by the:

In the context of wrist and hand movements, ulnar flexion refers to the movement of the little finger side of the hand toward the medial aspect or ulnar side of the forearm.

The extensor carpi ulnaris muscle and the flexor carpi ulnaris muscle are the only muscles involved in ulnar deviation.

The extensors of the wrist include, from lateral to medial, are the extensor carpi radialis longus, extensor carpi radialis brevis, and extensor carpi radialis.

The extensor digitorum muscle, also known as the extensor digitorum communis, is the only muscle involved in extension of all four fingers.

The human wrist and hand have more than 30 muscles, of which 11 are intrinsic muscles.

The three wrist flexors, from medial to lateral, are the flexor carpi ulnaris, palmaris longus, and flexor carpi radialis.

A gamekeeper's or skier's thumb is a common injury that involves a sprain of the ___________ of the thumb metacarpophalangeal joint and may require surgery when severely sprained.

In the context of wrist and hand movements, dorsiflexion refers to the movement of the back of the hand toward the posterior or dorsal aspect of the forearm.

In the context of wrist and hand movements, opposition refers to the movement of the thumb across the palmar aspect to oppose the palm or any combination of the phalanges.

The fingers can only flex and extend, except at the metacarpophalangeal joints, where abduction and adduction are controlled by the intrinsic hand muscles.

Which of the following muscles originates on the lateral epicondyle of the humerus?

Which of the following muscles inserts on the four tendons to bases of middle and distal phalanxes of the four fingers on the dorsal surface?

The flexor pollicis longus muscle may be palpated on the posterior surface of the thumb.

Which of the following muscles performs abduction of the wrist?

Which of the following is the pointing muscle that originates between middle and distal one-third of the posterior ulna?

Which of the following is the insertion of the extensor carpi ulnaris muscle?