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

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Category: Hand

1. 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

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. Wrist:

1. the flexor retinaculum runs between the styloid process of the radius and the pisiform and hook of hamate

2. the median nerve passes beneath the flexor retinaculum between flexor digitorum superficialis and flexor carpi ulnaris

3. the ulnar nerve lies on the flexor retinaculum with the ulnar artery on its ulnar side

4. the wrist joint involves the radius, ulna, scaphoid, lunate and triquetral bones

5. the radiocarpal joint is separated from the distal radioulnar joint by a triangular fibrocartilage

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Category: Hand

4. Which structure is NOT attached to the pisiform?

1. abductor digiti minimi

2. ulnar collateral ligament

3. flexor carpi ulnaris

4. extensor retinaculum

5. pisometacarpal ligament

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Category: Hand

5. Regarding the intrinsic muscles of the hand, which of the following is NOT true?

1. the palmar and dorsal interossei are supplied by the deep branch of the median nerve

2. the intrinsic muscles of the thumb are abductor pollicis brevis, flexor pollicis brevis, opponens pollicis , adductor pollicis, first palmar and first dorsal interossei

3. opponens pollicis acts only on the carpometacarpal joint

4. their motor supply is derived from segment T1 of the spinal cord

5. the thenar muscles are supplied by the recurrent branch of the median nerve

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Category: Hand

6. The lunate articulates with all of the following EXCEPT:

1. scaphoid

2. triquetral

3. capitate

4. radius

5. trapezoid

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Category: Hand

7. 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

8. 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

9. 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

10. 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

11. The skin of the top of the index finger is supplied by:

1. radial nerve only

2. median nerve only

3. ulnar nerve only

4. radial and ulnar nerve

5. radial and median nerve

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Category: Hand

12. 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

13. Regarding the interosseous muscle:

1. the palmar interossei have two heads

2. there are usually four palmar interossei

3. the tendons pass on the posterior side of the deep transverse ligament

4. they insert into the extensor expansion, not the proximal phalanges

5. they are supplied by the superficial branch of the ulnar nerve (C8, T1)

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Category: Hand

14. 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

15. All of the following structures pass deep to the transverse carpal ligament EXCEPT the:

1. flexor digitorum superficialis tendon

2. flexor digitorum profundus tendon

3. flexor pollicis longus tendon

4. median nerve

5. ulnar artery

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Category: Hand

16. 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

17. With respect to the thenar muscles:

1. abductor pollicis brevis inserts into the base of the distal phalanx of the thumb

2. all arise from the flexor retinaculum

3. flexor pollicis brevis is usually supplied by a branch from the ulnar nerve

4. abductor pollicis brevis has no role in opposition of the thumb

5. opponens pollicis is the most superficial muscle of the group

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Category: Hand

18. Compression of the median nerve in the carpal tunnel produces:

1. anaesthesia over the thenar eminence

2. wasting of the hypothenar eminence

3. loss of power of opposition of the thumb

4. anaesthesia of the little finger

5. loss of power of flexion of the thumb

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Category: Hand

19. Regarding the hand:

1. deep palmar arch is level with the distal border of the outstretched thumb web

2. the superficial branch of the ulnar nerve supplies the hypothenar muscles

3. deep branch of the ulnar nerve lies within the concavity of the deep palmar arch

4. flexor digitorum superficialis tendon inserts into the base of the distal pharynx

5. lumbricals insert into the extensor expansion and proximal phalanges

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Category: Hand

20. 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

21. 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

22. In the carpal tunnel:

1. the individual tendons arising from flexor digitorum profundus are all fused, and do not separate until they reach the palm

2. the synovial sheath of flexor digitorum superficialis arises from the ulna bursa, but the sheath of profundus does not

3. the tendon for the index finger from flexor digitorum superficialis lies medial to the median nerve

4. flexor carpi radialis and flexor pollicis longus tendons share a synovial sheath

5. the tendon of flexor digitorum superficialis to the middle finger lies deep to the tendons to the little finger

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Category: Hand

23. Which of the following IS NOT true about the flexor carpi ulnaris?

1. acts as a synergist during wrist extension

2. ulnar artery passes deep to its deep head

3. inserts into base of fifth metacarpal

4. most medial muscles arising from the common flexor origin

5. ulnar nerve passes between its two heads

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Category: Hand

24. The carpus:

1. there are five extensor tunnel compartments

2. the extensor expansion attaches to the anterolateral border of the radius above the styloid process, and distally to the pisiform and trapezoid bones

3. the radiocarpal joint is an uniaxial synovial joint

4. there are no muscular attachments to the extensor surface of the carpus

5. the bones palpable in the anatomical snuff box are the radial styloid, triquetral, scaphoid and base of first metacarpal

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Category: Hand

25. Infection in the volar aspect of the little finger can spread to all EXCEPT

1. distally to the ring finger via the tendon sheath

2. to the flexor sheath of the thumb

3. to the distal forearm through the carpal tunnel

4. rupture of the sheath and spread to deep spaces of the palm

5. ischaemic necrosis may occur to the flexor tendon involved

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Category: Hand

26. 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

27. 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

28. 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

29. 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

30. 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

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Online Quiz: The Hand

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