Anatomy Upper extremity mcq question paper with answers
1. Which muscle helps the triceps extend the forearm?
2. Which muscle helps the supinator supinate?
3. Which nerve emerges from the inferior margin of the supinator and travels down the posterior aspect of the forearm?
4. What is the anatomical snuffbox? Which artery is found there?
5. What is your “funny bone”?
6. Which bone articulates with the capitulum? Which bone with the trochlea (of the humerus)?
7. Which bump provides a site of origin for the bulk of the hand and finger extensors? How about the hand and finger flexors?
8. Name the only flexor muscle innervated by the radial nerve.
9. Name the only 2 forearm muscles innervated by the ulnar nerve.
10. Name the only 5 intrinsic hand muscles innervated by the median nerve.
11. If you wake up and realize you have no feeling or a tingly feeling (“pins and needles”) in your pinky and the medial half of your ring finger, which nerve have you pinched?
12. Name the ligament that surrounds the head of the radius.
13. Name the ligaments on the medial and lateral sides of the elbow joint.
14. Which forearm muscle has a tendon that passes above the flexor retinaculum?
15. Which nerve is affected in carpal tunnel syndrome?
16. Which artery gives rise to the common interosseous a.?
17. Name the arm vein most commonly used for venipuncture (taking blood). Which structure deep to this vein offers some protection to the deep vessels and nerve in this region?
18. Which vein is clearly visible in its course across Dan Majerle’s anterior shoulder?
19. Name 3 muscles that have attachment sites on the coracoid process.
20. Which structures do you find in the quadrangular (quadrilateral) space?
21. Which teres muscle medially rotates the arm (e.g. during arm wrestling)? Which laterally rotates?
22. Name the insertion of the biceps brachii m. Name the insertion of the brachialis m. Note the important difference and think about the functional consequences.
23. Name the 4 muscles of the rotator cuff.
24. Which artery is found in the triangular space?
25. Which back muscle is considered “branchiomeric” (i.e. derived from ancestral gill arches)?
26. Name the little muscle that runs under the clavicle.
27. Which nerve passes through the scapular notch (superior notch of the scapula)? Name the 2 muscles it innervates. Which artery passes over the superior transverse scapular ligament (which spans the scapular notch)? (mnemonic: Army over Navy)
28. Which nerve innervates the rhomboids? Which other muscle might that nerve innervate?
29. Name the 2 muscles innervated by the axillary n.
30. Name the 3 muscles innervated by the musculocutaneous n.
31. Name the 2 muscles innervated by the lower subscapular n.
32. Name the 2 nerves that innervate the subscapularis m.
33. Name the nerve that innervates the latissimus dorsi m.
34. Name the nerve that innervates the serratus anterior m.
35. Name the 3 branches of the medial cord (not including the median and ulnar nerves).
36. Name the 4 branches of the posterior cord (not including the radial nerve).
37. Which branch of the axillary a. gives rise to 4 major branches (clavicular, acromial, deltoid , pectoral)?
38. Which branch of the axillary a. runs with the long thoracic n.?
39. Which branch of the axillary a. gives rise to the thoracodorsal and circumflex scapular arteries?
40. What’s the difference between the anatomical and surgical necks (of the humerus)?
41. Name the pointy inferior part of the scapula.
42. Describe a functional consequence of damaging the long thoracic n.
44. Which end (proximal or distal) of the radius is more expanded?
45. Name the space between the greater and lesser tubercles (of the humerus).
46. Identify the main flexor of the forearm.
47. Name the carpals. Which one is a sesamoid bone? Which one has a “hook” (hamulus)?
48. Name the two prominent tendons you might see in the middle of the wrist when you clench your fist.
50. List the 2 spinal cord segments that innervate the biceps brachii, brachialis, brachioradialis, deltoid, teres major, teres minor, subscapularis, infraspinatus, and supinator muscles.
51. Which nerve innervates the supinator m.?
52. Which nerve innervates the pronator teres and pronator quadratus?
53. Which interossei muscles abduct the digits? Which ones adduct?
54. Which artery makes the greatest contribution to the superficial palmar arterial arch?
55. What do you call the little arteries and nerves that run up the sides of the fingers and are visible in a palmar dissection?
ANSWERS: upper extremity
2. biceps brachii
3. post. interosseous n. (continuation of the deep radial)
4. space between tensed tendons of ext. poll. brev. and long.; radial a.
5. ulnar n., which runs in ulnar groove (at medial distal end of the “humorous” bone)
6. radius, ulna
7. lateral epicondyle; medial epicondyle
9. flex. carpi ulnaris and flex. dig. profundus (medial part)
10. thenar muscles (abd. poll. brev., flex. poll. brev., opponens poll.) and 1st and 2nd lumbricals
13. ulnar and radial collateral
14. palmaris longus
17. median cubital; bicipital aponeurosis
19. b. brachii (short head), coracobrachialis, pec. minor
20. axillary n., post. circumflex humeral a.
21. major, minor
22. radius; ulna
23. supraspinatus, infraspinatus, teres minor, subscapularis
24. circumflex scapular a.
25. trapezius, innervated by XI (a cranial nerve)
27. suprascapular n.; supraspinatus & infraspinatus; suprascapular a.
28. dorsal scapular n.; levator scapulae
29. deltoid, teres minor
30. b. brachii, brachialis, coracobrachialis
31. teres major, subscapularis
32. upper and lower subscapular nn.
33. thoracodorsal n.
34. long thoracic n.
35. medial pect., medial brach. cut., medial antebrach. cut.
36. upper subscap., thoracodorsal, lower subscap., axillary
37. thoracoacromial a. (trunk)
38. lateral thoracic a.
39. subscapular a.
40. surgical neck is most common site of fracture in proximal humerus (see Moore, COA, p.539)
41. inferior angle of the scapula
42. winging of the scapula from relaxed serratus anterior
43. C8, T1
45. intertubercular groove (sulcus)
47. from lateral (thumb side) to medial (pinky side), proximal row then distal row: scaphoid, lunate, triquetral, pisiform, trapezium, trapezoid, capitate, hamate (mnemonic: Some Lovers Try Positions That They Can’t Handle); pisiform; hamate
48. palmaris longus (medial) and flex. carpi radialis
49. see answer to 10; hypothenar: abd. dig. min., flex. dig. min. brev., opponens dig. min. (and maybe palmaris brevis, too)
50. C5, C6
51. deep radial
53. the dorsal interossei abduct (“DAB”), palmar interossei adduct (“PAD”)
54. ulnar a.
55. proper palmar digital arteries and nerves