Upper limb MCQs

8. Posterior wall of the axilla is NOT composed of: A. Clavipectoral fascia B. Tendon of the latissimus dorsi C. Teres Major D. Subscapularis E. All of the above

A. Clavipectoral fascia

29. Which of the following muscle does not arise from the common extensor origin A. Extensor carpi radialis longus B. Extensor carpi radials brevis C. Extensor digitorum D. Extensor carpi ulnaris E. Extensor digiti minimi

A. Extensor carpi radialis longus

24. Which of the following muscles receive mixed supply form both ulnar & median nerves? A. Flexor digitorum profundii B. Flexor digitorum superficialis C. Pronator teres D. Pronator quadratus E. None of the above

A. Flexor digitorum profundii

14. Chief arterial supply of the female breast is from: A. Lateral thoracic artery B. Internal thoracic (mammary) artery C. 2nd & 3rd intercostal arteries D. Thoracoacromial arteries E. Lateral pectoral artery

A. Lateral thoracic artery

19. Medial intermuscular septum is pierced by: A. Ulnar nerve B. Radial nerve C. Median nerve D. Profunda brachii artery E. All of the above

A. Ulnar nerve

39. In the web space of the hand: A. digital nerves lie superficial to the digital artery B. lumbrical tendons lie deep to the deep transverse ligaments C. interossei tendons lie superficial to the deep transverse tendon D. superficial transverse ligament lies deep to the digital vessels E. all of the above are incorrect

A. digital nerves lie superficial to the digital artery

1. Pectoralis Major: A. is the only m supplied by all 5 segments of the brachial plexus B. is a lateral rotator of the arm C. arise only from clavicle, sternum & upper 6 costal cartilages D. formed the lower border of clavipectoral fascia E. All of the above

A. is the only m supplied by all 5 segments of the brachial plexus

35. Which of the carpal bones give rise to attachment to both the flexor & extensor retinaculum? A. pisiform B. hamate C. scaphoid D. trapezium E. All of the above

A. pisiform

6. When one falls on an outstretched hand, the line of force does NOT transmit through: A. Glenoid cavity B. Acromioclavicular joint C. Clavicle D. Costoclavicular ligament E. All of the above

B. Acromioclavicular joint

27. Which of the following muscle is supplied by posterior interossei nerve? A. Brachioradialis B. Extensor carpi radialis brevis C. Extensor carpi radialis longus D. Anconeus E. All of the above

B. Extensor carpi radialis brevis

42. Fractured shaft of humerus with radial nerve damage usually do NOT have the following feature: A. Wrist drop B. Inability to extend elbow C. Sensory loss over posterior aspect of forearm D. Sensory loss over lateral aspect of forearm E. All of the above

B. Inability to extend elbow

23. Which of the following regarding cubital fossa is INCORRET? A. Median nerve lies medial to the bicpital tendon B. Lateral cutaneous nerve of forearm lies on the tendon of biceps C. Radial nerve gives rise to posterior interosseous branch D. Pronator teres & brachioradialis form the medial & lateral borders E. Brachialis & supinator form the floor

B. Lateral cutaneous nerve of forearm lies on the tendon of biceps= FALSE

13. Which of the following lies on top of the ulnar nerve in the axilla? A. Medial cutaneous nerve of the arm B. Medial cutaneous nerve of the forearm C. Medial pectoral nerve D. Musculo-cutaneous nerve E. All of the above

B. Medial cutaneous nerve of the forearm

21. In the posterior compartment of the arm: A. Triceps is supplied by brachial artery itself B. Medial head lies deep to the lateral head triceps C. Myotomal supply to triceps is C5,6 D. Radial nerve pierces medial septum to lie in a groove behind medial epicondyle E. In fractured shaft of humerus, triceps may be paralyzed secondary to damage to radial nerve.

B. Medial head lies deep to the lateral head triceps

43. Which of the following is the most reliable test in determining whether median nerve is injured at the wrist level? A. Test flexor pollicis brevis function B. Test abductor pollicis brevis function C. Test adductor pollicis function D. Test opponens pollicis function E. All of the above

B. Test abductor pollicis brevis function

33. In most people, the deep branch of ulnar nerve supplies: A. flexor digitorum profundus B. adductor pollicis C. abductor pollicis brevis D. opponens pollicis E. All of the above

B. adductor pollicis

5. Sternoclavicular joint: A. articular surfaces are covered by hyaline cartilage B. contains a complete fibrocartilagenous articular disc C. posterior dislocation are more common than anterior dislocation D. is supplied by lateral supraclavicular nerve E. chief stability factor is the fibrous capsule

B. contains a complete fibrocartilagenous articular disc

10. Axillary vein: A. is formed from the confluence of basilic, brachial & cephalic veins B. lies medial to axillary artery in its course in the axilla C. is enclosed in the axillary sheath D. has the same tributaries as the axillary arteries E. All of the above

B. lies medial to axillary artery in its course in the axilla

38. Which of the following regarding midpalmar space is INCORRECT? A. It is bounded by palmar aponeurosis attachments to 3rd & 5th metacarpals B. It is continuous with the lumbrical canals distally C. It contains all the tendons of flexor digitorum superficialis & profundis & their lumbricals D. Interossei & the 3rd to 5th metacarpal forms the floor E. None of the above

C. It contains all the tendons of flexor digitorum superficialis & profundis & their lumbricals = FALSE

A. It is enclosed within the infraspinatus fascia B. It is supplied by the posterior branch of the axillary nerve (C5,6) C. It inserts into the lesser tuberosity of the humerus D. It acts as the lateral rotator of the shoulder joint E. All of the above

C. It inserts into the lesser tuberosity of the humerus = FALSE

3. Which of the following regarding Pectoralis minor is INCORRECT? A. It forms the inferior border of clavipectoral fascia B. It lies lateral to the 1st part of axillary artery C. It lies anterior to the trunks of the brachial plexus D. It is pierced by the medial pectoral nerve E. Both medial & lateral pectoral nerves supply it.

C. It lies anterior to the trunks of the brachial plexus

26. Which of the following statements are TRUE? A. Superficial lymphatics from the medial ½ of the hand drains directly to the infraclavicular lymph nodes B. Radial artery gives off interosseous branch to supply all the muscles of the posterior compartment of forearm C. Lateral cutaneous nerve of forearm supplies the preaxial border of the forearm D. All of the above E. None of the above

C. Lateral cutaneous nerve of forearm supplies the preaxial border of the forearm

A. Lymphatics from infraclavicular lymph nodes draining to apical lymph nodes B. Cephalic vein C. Medial pectoral nerve D. Thoracoacromial artery E. None of the above

C. Medial pectoral nerve

41. Klumpke's palsy (C8T1) lead to the paralysis of the following muscles EXCEPT: A. Flexor digitorum profundus B. Abductor pollicis brevis C. Pronator teres D. Extensor digitorum E. Flexor pollicis longus

C. Pronator teres

18. Shoulder Joint: A. Sub acromial bursa communicates with the shoulder joint B. Surface area ratio of humeral head: glenoid cavity is 3:1 C. Supraspinatus & deltoid are responsible for abduction of the joint to 90o D. Subscapularis & Teres minor are responsible for medial rotation E. All of the above

C. Supraspinatus & deltoid are responsible for abduction of the joint to 90o

20. In the anterior compartment of the arm A. muscles are supplied by the median nerve B. median nerve travels posterior to the brachial artery C. brachial artery give rise to the superior ulnar collateral artery, which pierces the medial intermuscular septum with ulnar nerve D. Profunda brachii supplies the muscles E. All of the above

C. brachial artery give rise to the superior ulnar collateral artery, which pierces the medial intermuscular septum with ulnar nerve

31. Which of the following regarding the carpal tunnel is FALSE? A. median nerve is medial to flexor carpi radialis B. flexor carpi radialis is superficial & lateral to flexor pollicis longus C. flexor digitorum superficialis tendons is arranged in 2 rows in its own synovial sheath D. flexor retinaculum is attached to scaphoid tubercle, trapezoid ridge, pisiform & hook of hamate E. none of the above

C. flexor digitorum superficialis tendons is arranged in 2 rows in its own synovial sheath

34. Which of the following artery does NOT join the posterior carpal anastomosis A. ulnar artery B. radial artery C. posterior interosseous artery D. anterior interosseous artery E. all of the above arteries anastomose at the posterior carpal arch.

C. posterior interosseous artery =FALSE

9. Which of the following regarding axillary artery is FALSE? A. It is enclosed in an axillary sheath (extension of the prevertebral fascia) B. 3rd part is clasped by the 2 heads of the median nerve C. It lies medial to the axially vein in its course in the axilla D. Its lateral thoracic branch is the chief arterial supply to the breast in female E. Its posterior circumflex humeral branch passes through the quadrangular space

C.It lies medial to the axially vein in its course in the axilla = FALSE

32. Which of the following muscles is NOT a muscle of the thenar eminence? A. Flexor pollicis brevis B. Abductor pollicis brevis C. Opponens pollicis D. Adductor pollicis E. All of the above are muscles of thenar eminence

D. Adductor pollicis

17. Inferior stabilizing factor in the abducted shoulder joint include: A. Coracoacromial arch B. Long head of biceps C. Rotator cuff D. Long head of triceps E. All of the above

D. Long head of triceps

12. Which of the following structure pierces the coracobrachialis? A. Radial nerve B. Median nerve C. Ulnar nerve D. Musculocutaneous nerve E. Axillary nerve

D. Musculocutaneous nerve

15. Which of the following is NOT a rotator cuff muscle? A. Supraspinatus B. Infraspinatus C. Teres minor D. Teres major E. Subscapularis

D. Teres major = FALSE

25. Which of the following is FALSE regarding anterior compartment of forearm? A. Median nerve passes between 2 heads of pronator teres B. Ulnar nerve passes between 2 hands of flexor carpi ulnaris C. Median nerve is the nerve of superficial muscle of anterior compartment of forearm D. Ulnar nerve is the nerve of deep muscles of the anterior compartment of forearm E. None of the above

D. Ulnar nerve is the nerve of deep muscles of the anterior compartment of forearm = FALSE

37. Dorsal interossei: A. arise from the middle finger side of the base of the 2nd, 4th & 5th metacarpal. B. insert into the extensor expansion of the same side to its origin C. are supplied by the median nerve D. abducts the finger away from the midline of the hand E. All of the above

D. abducts the finger away from the midline of the hand

30. Posterior interosseous nerve: A. is a branch of the median nerve B. supplies all the muscles of the extensor compartment C. supplies the skin over the lateral ½ of dorsum of the hand D. passes between 2 heads of the supinator muscle E. all of the above

D. passes between 2 heads of the supinator muscle

10. Axillary vein: A. is formed from the confluence of basilic, brachial & cephalic veins B. lies medial to axillary artery in its course in the axilla C. is enclosed in the axillary sheath D. has the same tributaries as the axillary arteries E. All of the above

E. All of the above

28. Extensor pollicis longus: A. attaches to distal ulna & to the base of 1st distal phalanx B. is supplied by anterior interosseous artery C. is supplied by posterior interosseous nerve D. forms the lateral border of anatomical snuffbox E. All of the above

E. All of the above

36. Which of the following statement is TRUE? A. Common palmar digital arteries lie more superficial than the common palmar digital nerves in the palm B. Common palmar digital arteries are the terminal branches of the ulnar artery C. Proper palmar digital arteries lie dorsal to the digital nerve in the fingers D. Proper palmar digital nerves also supply the nail beds E. All of the above

E. All of the above

4. Latissimus Dorsi: A. forms the posterior axillary fold B. acts with pectoralis major to adduct the arm C. its lateral border form a border of the lumbar triangle D. it is supplied by the thoracodorsal nerve (C6,7,8) E. All of the above

E. All of the above

7. Acromioclavicular joint: A. Joint surface is covered by hyaline cartilage B. Joint cavity contains complete fibrocartilagenous disc C. Primary movement is elevation & depression of the clavicle D. It is supplied by the medial supraclavicular nerve E. Chief stability factor is the coraco-clavicular ligament

E. Chief stability factor is the coraco-clavicular ligament

22. Which of the following regarding elbow joint is FALSE? A. It communicates with superior radio-ulnar joint B. Its carrying angle is 170o C. It is supplied by musculocutaneous, radial, ulnar & median nerves D. Medial collateral ligament is divided into 3 bands in the shape of a triangle E. The joint capsule attaches to all articular margins

E. The joint capsule attaches to all articular margins = FALSE

40. Erb's palsy (C5,6) lead to paralysis of the following muscles EXCEPT: A. biceps B. supraspinatus C. teres minor D. deltoid E. triceps

E. triceps

Regarding the blood supply of the forearm a) The radial artery is the larger of the terminal branches of the brachial artery b) The radial artery runs under brachialis as it leaves the cubital fossa c) The radial artery has just one named branch proximal to the carpal braches d) Ligation of the radial artery at its origin will significantly reduce blood flow through the posterior interosseous artery. e) The radial artery has no involvement in the elbow anastomotic network

c) The radial artery has just one named branch proximal to the carpal braches

Regarding pronator teres which of the following statements is correct? a) It forms the lateral border of the cubital fossa b) It arises from the coronoid process and lateral epicondyle. c) The Median nerve passes deep to both heads d) It's medial border forms the medial boundary of the cubital fossa e) It is the most lateral of the superficial flexors of the forearm

e) It is the most lateral of the superficial flexors of the forearm

The median nerve a) Supplies flexor carpi ulnaris and half of flexor digitorum profundis b) Gives rise to most of its braches in the upper arm c) Gives rise to the common interosseous nerve which divides anterior to the radial head d) May be compressed between the two heads of pronator teres e) Enters cubital fossa lateral to the brachial artery

d) May be compressed between the two heads of pronator teres

Regarding the radial nerve which statement is incorrect? a) It passes anterior to the lateral epicondyle of the humerus b) Injury to the radial nerve from fracture of the shaft of the humerus will result in wrist drop c) Injury to the deep radial nerve in the mid forearm will prevent extension only at the MCPJs d) Sensory loss from injury to the superficial radial nerve will usually result in loss of sensation over the entire thumb e) It is the larger terminal branch of the posterior cord of the brachial plexus

d) Sensory loss from injury to the superficial radial nerve will usually result in loss of sensation over the entire thumb