MSK quiz questions Flashcards

1
Q

Which finger does the second lumbrical act on?

A

The third finger

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2
Q

Which of the following muscles is only capable of exerting its action at the elbow joint?

a. Pronator quadratus
b. Adductor pollicis
c. Supinator
d. Extensor digitorum
e. Brachioradialis

A

e. Brachioradialis

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3
Q

Which of the following is innervated by the median nerve?

a.Lumbrical #4
b.Palmaris brevis
c.Opponens pollicis
d.Dorsal interossei #2
e.Adductor pollicis

A

c. Opponens pollicis

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4
Q

Which of the following muscles does not originate on the lateral epicondyle of the humerus?

a.Extensor digitorum
b.Extensor digiti minimi
c.Extensor carpi radialis brevis
d.Extensor carpi radialis longus
e.Extensor carpi ulnaris

A

d. Extensor carpi radialis longus

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5
Q

Which of the following carpal bones does not participate in forming the carpal arch?

a.Trapezoid
b. Pisiform
c.Trapezium
d. Scaphoid
e. Hamate

A

d. Scaphoid

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6
Q

If the 4th dorsal interosseous muscle is paralyzed, which of the following movements is absent?

a.Flexion of the 5th finger at the MCP joint
b.Abduction of the 4th finger at the MCP joint
c.Adduction of the 4th finger at the MCP joint
d.Flexion of the 3rd finger at the MCP joint
e.Abduction of the 5th finger at the MCP joint

A

b.Abduction of the 4th finger at the MCP joint

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7
Q

Which of the following muscles is NOT one of the hypothenar muscles?

a.Opponens digiti minimi
b.4th lumbrical
c.Palmaris brevis
d.Flexor digiti minimi

A

b.4th lumbrical

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8
Q

Which of the following muscles inserts on the base of the first metacarpal?

a.Extensor indicis
b.Adductor pollicis
c.Abductor pollicis longus
d.Extensor pollicis longus
e.Extensor pollicis brevis

A

c.Abductor pollicis longus

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9
Q

Which of the following muscles is least likely to be impacted if your patient is diagnosed with lateral epicondylitis?

a.Extensor digitorum
b.Extensor indicis
c.Extensor carpi radialis brevis
d.Brachioradialis
e.Extensor carpi ulnaris

A

d.Brachioradialis

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10
Q

Which of the following makes up the posterior boundary of the anatomical snuffbox?

a.Abductor pollicis brevis
b.Abductor pollicis longus
c.Extensor indicis
d.Extensor pollicis longus
e.Extensor pollicis brevis

A

d.Extensor pollicis longus

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11
Q

Muscles in the posterior compartment of the arm are collectively innervated by which of the following?

a.Musculocutaneous nerve
b.Median nerve
c.Radial nerve
d.Ulnar nerve
e.Axillary nerve

A

c.Radial nerve

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12
Q

Which of the following represents the action of flexor carpi ulnaris?

a.Flexion and Adduction of hand
b.Flexion and adduction of forearm
c.Flexion and abduction of hand
d.Flexion of digits 2-5
e.Flexion of digit 1

A

a.Flexion and Adduction of hand

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13
Q

All of the following options are somehow related to the flexor-pronator compartment of the forearm EXCEPT:

a.Ulnar nerve
b.Palmaris longus
c.Lateral epicondyle of the humerus
d.Median nerve

A

c.Lateral epicondyle of the humerus

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14
Q

Your patient has sustained damage to the lateral cord of the brachial plexus, impacting their musculocutaneous nerve. Which of the following movements would be most likely impacted by this injury?

a.Extension of the shoulder
b.Flexion of the forearm
c.Flexion of the wrist
d.Extension of the forearm
e.Pronation of the forearm

A

b.Flexion of the forearm

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15
Q

Which tendon is NOT found in the carpal tunnel?

a.Flexor digitorum superficialis
b.Flexor pollicis longus
c.Flexor digitorum profundus
d.Flexor carpi radialis

A

d.Flexor carpi radialis

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16
Q

Which of the following functions can be attributed to the muscles in the anterior compartment of the arm?

a.Extension of the wrist
b.Pronation of the forearm
c.Extension of the forearm
d.Supination of the forearm
e.Flexion of the shoulder

A

b.Pronation of the forearm

17
Q

The coracobrachialis muscle originates on the coracoid process of the scapula alongside what other muscle?

a.Deltoid
b.Long head of biceps
c.Long head of triceps
d.Brachialis
e.Short head of biceps

A

e.Short head of biceps

18
Q

Which of the following forearm muscles inserts on the middle phalanges of digits 2-5?

a.Flexor digitorum superficialis
b.Palmaris longus
c.Flexor carpi radialis
d.Flexor digitorum profundus
e.Flexor pollicis longus

A

a.Flexor digitorum superficialis

19
Q

Which of the muscles of the forearm is innervated by two nerves?

a.Pronator teres
b.Flexor carpi radialis
c.Flexor digitorum superficialis
d.Flexor digitorum profundus
e.Flexor carpi ulnaris

A

d.Flexor digitorum profundus

20
Q

Which of the following below represents the origin for the long head of triceps brachii?

a.Coracoid process
b.Olecranon process
c.Supraglenoid tubercle
d.Posterior humerus
e.Infraglenoid tubercle

A

e.Infraglenoid tubercle

21
Q

What is the cortical location of the primary visual area?

a.Temporal lobe
b.Occipital lobe
c.Frontal lobe
d.Parietal lobe
e.Insular cortex

A

b.Occipital lobe

22
Q

Which of the following represents the correct cervical root origin for the Axillary nerve?

a.C5/6
b.C7/8
c.C5 - T1
d.C5/6/7
e.C8/T1

A

a.C5/6

23
Q

Where are the basal ganglia found?

a.Diencephalon
b.Pons
c.Midbrain
d.Cerebrum
e.Medulla

A

d.Cerebrum

24
Q

If you want to test the integrity of your patients T1 myotome, what action should you have them perform?

a.Finger flexion
b.Finger adduction
c.Finger abduction
d.Thumb adduction
e.Pinky opposition

A

c.Finger abduction

25
Q

If you wished to assess the C5 myotome, which action would you ask your patient to do?

a.Abduct the shoulder joint
b.Abduct the wrist joint
c.Abduct the thumb
d.Flex the medial four fingers

A

a.Abduct the shoulder joint

26
Q

The medulla oblongata forms from which of the following embryological origins?

a.Metencephalon
b.Telencephalon
c.Mesencephalon
d.Myelencephalon
e.Diencephalon

A

d.Myelencephalon

27
Q

At what anatomical location does the axillary artery become the brachial artery?

a.Under the clavicle
b.GH joint
c.Cubital fossa
d.Lower border of pec major
e.Between scalenes

A

d.Lower border of pec major

28
Q

Which of the following senses can be classified as “special” ?

a.Touch
b.Temperature
c.Pain
d.Vision
e.Organ stretch

A

d.Vision

29
Q

Which of the following nerves branches off of the lateral cord of the brachial plexus?

a.Long thoracic
b.Axillary
c.Ulnar
d.Radial
e.Musculocutaneous

A

e.Musculocutaneous

30
Q

The brachial artery travels alongside which nerves in the arm?

a.Musculocutaneous and Ulnar
b.Radial and Median
c.Musculocutaneous and Radial
d.Median and Ulnar
e.Ulnar and Axillary

A

d.Median and Ulnar

31
Q

If the musculocutaneous nerve of the forearm is damaged, where would one most likely feel numbness?

a.upper lateral arm
b.Medial forearm
c.medial arm
d.lateral forearm
e.lower lateral arm

A

d.lateral forearm

32
Q

Which of the following can be found traveling inside the carpal tunnel?

a.Brachial artery
b.Dorsal artery
c.None of the above
d.Radial artery
e.Ulnar artery

A

c.None of the above