Online quiz on the anatomy of the human hand

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Created on September 04, 2022 By

Prof Kehinde Oluwadiya

Hand

The Hand Quiz

1 / 30

Category: Hand

1. Compression of structures in the carpal tunnel usually results in:

1. weakness of the forearm flexors

2. weakness of flexion of the terminal phalanx of the thumb

3. weakness of the interossei muscles

4. normal sensation on the palmar surface of the little finger

5. weakness of the lumbrical muscles

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Category: Hand

2. Regarding the synovial flexor sheaths, which of the which of the following is NOT true?

1. three synovial sheaths are found on the front of the wrist

2. a common synovial sheath envelops all the superficialis and profundus tendons

3. the sheath around flexor pollicis longus tendon extends almost to its insertion

4. the flexor carpi ulnaris tendon has a short sheath

5. the ring, middle and index fingers have digital sheaths that do not extend to the common sheath

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Category: Hand

3. The lumbrical muscles:

1. arise from the four superficial tendons

2. are all bicipital muscles

3. pass along the ulnar side of the metacarpophalangeal joint

4. flex the metacarpophalangeal joint

5. attach directly to the first phalanx

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Category: Hand

4. With respect to the carpus:

1. the intercarpal joints share one continuous synovial space

2. the intercarpal synovial space is usually continuous with the wrist

3. the proximal row consists of scaphoid, lunate and trapezium

4. the scaphoid is the only carpal bone which articulates with the radius

5. in pronation/supination, the carpus moves with the ulna

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Category: Hand

5. With respect to the flexor retinaculum:

1. it is pierced by the tendon of flexor carpi ulnaris

2. it attaches to the scaphoid, hamate, pisiform and trapezium

3. the tendon of palmaris longus passes deep to it

4. the median nerve passes superficial to it

5. the ulnar artery passes deep to it

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Category: Hand

6. Of the hand joints, which is INCORRECT?

1. the midcarpal joint is S shaped

2. joint between hamate and fifth metacarpal is most mobile at four digits

3. the first carpometacarpal joint is reinforced by the medial and palmar ligaments

4. palmar ligaments of metacarpophalangeal joints limit extension of joint

5. interphalangeal joints ????have to obliquely place collateral ligaments as a mechanism of tightening re flexion and extension

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Category: Hand

7. Regarding the thumb:

1. abductor pollicis longus originates from both radius and ulna

2. opponens pollicis rotates the first metacarpal on the triquetral

3. adductor pollicis inserts on to the radial sesamoid of the thumb, then the base of the proximal phalanx

4. nerve supply is by the median nerve (C7, C8)

5. adductor pollicis lies superficial to the thenar space

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Category: Hand

8. The anatomical snuff box:

1. has the tendon of extensor pollicis brevis on its ulnar side

2. has the radial artery lying in its floor

3. has the radial styloid process as the only palpable bony point

4. has the tendon of abductor pollicis brevis on its radial side

5. contains the origin of the basilic vein

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Category: Hand

9. The median nerve goes through the heads of which

1. biceps brachii

2. supinator

3. pronator teres

4. pronator quadratus

5. flexor digitorum superficialis

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Category: Hand

10. Hand:

1. palmar brevis lies across the base of the thenar eminence

2. abductor pollicis brevis and opponens pollicis both arise from the flexor retinaculum and adjacent trapezium

3. flexor pollicis brevis lies to radial side of abductor pollicis brevis

4. the muscles of the thenar eminence are usually supplied by the recurrent branch of the median nerve

5. opponens pollicis inserts into the whole of the ulnar border of the first metacarpal

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Category: Hand

11. Types of muscles, which pairing is INCORRECT?

1. unipennate – flexor pollicis longus

2. bipennate – 4 lumbrical

3. fusiform – supraspinatus

4. bipennate – soleus

5. multi-pennate – anterior deltoid

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Category: Hand

12. Interossei muscles in the hand:

1. flex the interphalangeal joints

2. assist in extension of metacarpophalangeal joints

3. cannot laterally deviate the middle finger

4. the palmar interossei have two heads of origin

5. are usually supplied by the ulnar nerve

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Category: Hand

13. The superficial palmar arch:

1. lies level with the distal border of the outstretched thumb

2. is supplied mainly from the radial artery

3. supplies the thumb

4. lies deep to the long flexor tendons

5. arises proximal to the flexor retinaculum

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Category: Hand

14. Holding a heavy hammer in your hand involves:

1. only the long flexors of the fingers

2. flexion of wrist to strengthen grip

3. immobilisation of the shoulder joint to strengthen grip

4. only the long flexors of fingers and opposition of the thumb

5. requires synergic contraction of wrist extensors

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Category: Hand

15. At the carpal tunnel:

1. the flexor tendon synovial sheath is incomplete on the ulnar side

2. the superficial tendons lie in the same plane

3. the four profundus tendons have not yet separated

4. the median nerve lies lateral to flexor digitorum superficialis

5. median nerve compression causes anaesthesia over the thenar eminence

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Category: Hand

16. At the wrist / carpal tunnel:

1. flexor retinaculum attaches to scaphoid and trapezoid laterally

2. all superficial and deep flexors, except flexor pollicis longus, share a common flexor sheath

3. the ulnar nerve lies medial to pisiform

4. tendons of flexor digitorum remain attached until they reach the palm

5. None of the above

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Category: Hand

17. Extensor pollicis brevis:

1. origin – radius and interosseous membrane

2. lies on ulnar side of snuffbox

3. inserts into the base of the first distal phalanx

4. nerve supply = ulnar nerve

5. joins extensor digitorum tendon at metacarpophalangeal joint

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Category: Hand

18. What structure pierces the flexor retinaculum?

1. ulnar nerve

2. flexor carpi radialis tendon

3. palmar branch of median nerve

4. flexor pollicis longus tendon

5. ulnar artery

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Category: Hand

19. Extensor indicis:

1. tendon lies on radial side of E.D. tendon index finger

2. separate insertion from dorsal expansion E.D.

3. nerve supply = median nerve

4. origin = radius

5. shares a common synovial sheath with E.D. (?extensor digitorum)

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Category: Hand

20. What structure does NOT lie in the anatomical snuff box?

1. cephalic vein

2. radial artery

3. radial styloid

4. first metacarpal bone

5. extensor pollicis longus

21 / 30

Category: Hand

21. Laceration of the recurrent branch of the median nerve results in paralysis of all the following muscles of

1. abductor pollicis brevis

2. deep head of flexor pollicis brevis

3. opponens pollicis

4. superficial head of flexor pollicis brevis

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Category: Hand

22. The recurrent branch of the median nerve supplies:

1. opponens digiti minimi

2. first dorsal interosseous

3. adductor pollicis

4. first lumbrical

5. abductor pollicis brevis

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Category: Hand

23. A child has gashed the palmar aspect of her wrist on some glass. which of the following would be would be evidence of damage to her median nerve?

1. inability to flex the distal interphalangeal joint of the index finger

2. inability to flex the interphalangeal joint of the thumb

3. loss of sensation to the palmar aspect of the little finger

4. inability to oppose the thumb and little finger

5. inability to abduct the index finger

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Category: Hand

24. The metacarpophalangeal joints are:

1. planar

2. ellipsoid

3. hinge

4. saddle

5. ball in socket

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Category: Hand

25. The only carpal bone to give attached to both flexor and extensor retinacula is:

1. scaphoid

2. trapezoid

3. hamate

4. triquetral

5. pisiform

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Category: Hand

26. Regarding the anatomical snuffbox:

1. the cephalic vein begins in the roof

2. the extensor pollicis brevis tendon forms the ulnar side

3. the trapezoid is palpable in the base

4. the cutaneous branches of the radial nerve run deep to the tendons

5. the flexor pollicis longus tendon forms the radial side

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Category: Hand

27. The palmar interossei:

1. abduct the fingers

2. are usually supplied by a branch of the ulnar nerve

3. have two heads

4. arise from the medial side of the metacarpal bone of the index, ring and little fingers

5. have no role in extension of the terminal phalanges

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Category: Hand

28. Regarding innervation of hand muscles:

1. opponens pollicis may be supplied by ulnar nerve

2. opponens digiti minimi may be supplied by median nerve

3. two radial interossei are usually supplied by median nerve

4. nail beds are supplied 3½ to 1½ by branches of radial and ulnar nerves

5. None of the above

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Category: Hand

29. Regarding palmar spaces:

1. the hypothenar space contains the long tendon of abductor digiti minimi

2. the midpalmar space is deep to the common synovial sheath and flexor tendons

3. the midpalmar space is not continuous with the three ulnar lumbrical canals

4. the thenar space is open at the wrist

5. prevent spread of infection

30 / 30

Category: Hand

30. Structures in the anatomical snuff box include all the following EXCEPT:

1. the radial tubercle

2. the scaphoid

3. the base of the thumb metacarpal

4. the trapezium

5. the radial artery

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Online Quiz: The Hand

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