Extremities 1

1.

1 point

What would be the only action of the thumb NOT affected by extreme carpal tunnel syndrome?

adduction

flexion

abduction

opposiiton

2.

1 point

A cervical rib can impinge on the brachial plexus.

True

False

3.

1 point

Which of the following digits has more than one tendon for extension going to it?

4th digit

2nd digit

3rd digit

5th digit

4.

1 point

What major artery does the subscapular artery (a branch of the axillary artery) anastomose with to provide collateral circulation of the scapula?

suprascapular artery (from thyrocervical trunk)

anterior scapular artery ( from subclavian artery

brachial artery

thoracoacromial artery

5.

1 point

What structure pierces the supinator muscles

anterior interosseus branch of the median nerve

deep branch of the radial nerve

axillary nerve

musculocutaneous nerve

6.

1 point

A lesion of the anterior interosseous nerve would affect which of the following actions?

flexion of the thumb

flexion of the DIP joint

pronation

supination

flexion of the wrist

7.

1 point

A lesion of the deep branch of the ulnar nerve would NOT affect which of the following actions?

flexion of the thumb

flexion of the wrist

flexion of digit 5

abduction of the digits

8.

1 point

You would lose flexion of the thumb if the recurrent branch of the median nerve were severed.

True

False

9.

1 point

If the ulnar nerve were damaged, which of the following actions would be most affected?

flexion of the DIP joint

extension of the elbow

abduction of the wrist

flexion of the thumb

10.

1 point

What artery is the MAIN contributor of the superficial palmar arch?

radial artery

median artery

superficial medial artery

ulnar artery

11.

1 point

What is the most commonly dislocated carpal bone?

lunate

scaphoid

pisiform

hamate

12.

1 point

What symptom is seen with radial nerve damage?

dupuytren's contracture

ape hand

wrist drop

claw hand

13.

1 point

The cubital fossa contains all of the following EXCEPT:

median nerve

cephalic vein

tendon of the biceps

brachial artery

14.

1 point

Which of the following joints is a saddle joint?

capitate and 3rd metacarpal

trapezium and 1st metacarpal

hamate and 5th metacarpal

trapezoid and 2nd metacarpal

15.

1 point

The most distal portion of the posterior cord of the brachial plexus is severed. What shoulder muscles are affected?

infraspinatus

subscapularis

supraspinatus

teres minor

deltoid

16.

1 point

What artery courses with the median nerve in the arm?

profunda brachii artery

brachial artery

ulnar artery

radial artery

17.

1 point

The superficial branch of the radial nerve only supplies sensory innervation.

True

False

18.

1 point

A patient is asked to abduct their arm. They use their other hand to push the arm out and then raise it the rest of the way on their own. What muscle is most likely damaged?

deltoid

supraspinatus

infraspinatus

teres minor

19.

1 point

Which of the following ligaments is NOT involved in the joint between the clavicle and scapula

sternoclavicular ligament

coracoacromial ligament

acromioclavicular ligament

trapezoid ligament

20.

1 point

Which of the following actions are done by the interosseous muscles?

flex DIP joint

flex PIP joint

extend DIP joint

extend MP joint

flex MP joint

extend PIP joint

21.

1 point

Which artery follows the ulnar nerve in the forearm?

radial artery

brachial artery

superior ulnar collateral artery

ulnar artery

22.

1 point

Fracture at Lister's tubercle would damage what muscle?

abductor pollicis longus

flexor digitorum

flexor carpi ulnaris

extensor pollicis longus

23.

1 point

Which two of the following muscles are innervated by the same nerve?

extensor pollicis longus

abductor pollicis brevis

abductor pollicis longus

adductor pollicis

24.

1 point

If the deep branch of the radial nerve were severed which of the following actions could still be performed

extension of elbow

extension of wrist

extension of PIP joint

adduction of wrist

25.

1 point

Which of the following are located in the quadrangular space?

circumflex scapular artery

deep brachial artery

axillary nerve

radial nerve

posterior circumflex humeral artery

26.

1 point

What vein provides collateral flow in the upper extremity?

cephalic vein

median cubital vein

subclavian vein

basilic vein

27.

1 point

If the deltoid muscle was lost, which movement of the shoulder would be least affected?

abduction

flexion

lateral rotation

medial rotation

extension

adduction

28.

1 point

If the acromioclavicular joint is damaged, the clavicle will most likely displace upward.

True

False

29.

1 point

A common symptom of carpal tunnel syndrome is numbness of the lateral part of the palm due to the superficial branch of the median nerve coursing through the carpal tunnel.

True

False

30.

1 point

You severe the index finger at the proximal phalanx. What nerve(s) have you cut?

radial

median

ulnar

musculocutaneous

axillary

31.

1 point

To completely eliminate extension of the wrist, which of the following nerves would have to be damaged?

radial

axillary

median

musculocutaneous

ulnar

32.

1 point

How does the extensor digitorum extend the DIP joint if its terminal attachment is at the middle phalanges?

it doesn't extend at the DIP joint

it joins with the extensor carpi radialis longus tendon to reach the DIP joint

expansion of lumbricals and interossei allow it to reach the distal phalanges

the tendon of the extensor digitorum has another tendon called the phalangeal extensor that goes past the DIP joint

33.

1 point

The ulna does NOT directly articulate with the triquetrium

True

False

34.

1 point

Which digit has the most nerves providing sensory innervation to it?

4th digit

1st digit (thumb)

2nd digit

5th digit

3rd digit

35.

1 point

Wrist extension is an important aspect of the power grip.

True

False

36.

1 point

Which of the following spinal segments innervate at least one muscle of the rotator cuff?

C5

C6

C7

C8

T1

37.

1 point

What nerve are you hitting when you hit your "funny bone?"

ulnar nerve

musculocutaneous nerve

median nerve

radial nerve

38.

1 point

The middle finger (3rd digit) adducts by using the palmar interossei muscle.

True

False

39.

1 point

What action is shared by the extensor carpi ulnaris and the flexor carpi ulnaris

abduction

adduction

flexion

extension

40.

1 point

An impingement of C7 would affect opposition of the 5th digit.

True

False

41.

1 point

If the shaft of the humerus is fractured, which of these shoulder muscles would most likely be damaged?

supraspinatus

deltoid

subscapularis

teres minor

42.

1 point

Which joint dislocation is fat pad sign associated with?

elbow

wrist

shoulder

knee

43.

1 point

A lesion of the recurrent branch of the median nerve would result in what condition?

ape hand

dupuytren's contracture

hypothenar paralysis

claw hand

44.

1 point

Which of the following spinal segments does the axillary nerve contain?

C6

C5

C7

T1

C8

45.

1 point

Which of the following muscles aid in shoulder flexion?

biceps brachii

brachialis

coracobrachialis

pronator teres

46.

1 point

What muscle does the radial nerve go directly through?

extensor carpi radialis longus

pronator quadratus

supinator

extensor carpi radialis brevis

47.

1 point

To completely eliminate elbow flexion, which of the following nerves would have to be damaged.

radial nerve

ulnar nerve

axillary nerve

median nerve

musculocutaneous nerve

48.

1 point

There are 4 dorsal interossei muscles.

True

False

49.

1 point

What structure is the location where the subclavian artery becomes the axillary artery?

first rib

clavicle

teres major muscle

brachial plexus

50.

1 point

Which ligament of the elbow hold the head of the radius against the ulna?

annular ligament

transverse ligament

ulnar collateral ligament

radial collateral ligament