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. 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

2 / 30

Category: Hand

2. Which of the following structures IS NOT one of the contents of the carpal tunnel?

1. flexor digitorum superficialis

2. ulnar artery

3. flexor digitorum profundus

4. median nerve

5. flexor pollicis longus

3 / 30

Category: Hand

3. 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

4 / 30

Category: Hand

4. 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

5 / 30

Category: Hand

5. 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

6 / 30

Category: Hand

6. 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

7 / 30

Category: Hand

7. 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

8 / 30

Category: Hand

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

1. scaphoid

2. trapezoid

3. hamate

4. triquetral

5. pisiform

9 / 30

Category: Hand

9. 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

10 / 30

Category: Hand

10. Vincula:

1. papillary ridges of skin that form finger prints

2. superficial fibres of palmar aponeurosis that insert into the skin

3. remnant fibres of palmar interossei inserting into the proximal phalanx at the thumb

4. communication between common flexor sheath and sheath of pollicis longus present in 50% of people

5. vascular synovial folds of flexor tendons

11 / 30

Category: Hand

11. The superficial branch of the ulnar nerve supplies:

1. palmaris brevis

2. flexor digitorum ulnaris

3. palmar aspect index finger

4. opponens pollicis

5. thenar eminence

12 / 30

Category: Hand

12. The metacarpophalangeal joints are:

1. planar

2. ellipsoid

3. hinge

4. saddle

5. ball in socket

13 / 30

Category: Hand

13. Which muscle arises in part from the scaphoid tubercle?

1. flexor pollicis brevis

2. abductor pollicis brevis

3. opponens pollicis

4. adductor pollicis

5. first palmar interossei

14 / 30

Category: Hand

14. 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

15 / 30

Category: Hand

15. 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

16 / 30

Category: Hand

16. 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

17 / 30

Category: Hand

17. 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

18 / 30

Category: Hand

18. 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

19 / 30

Category: Hand

19. The median nerve goes through the heads of which

1. biceps brachii

2. supinator

3. pronator teres

4. pronator quadratus

5. flexor digitorum superficialis

20 / 30

Category: Hand

20. 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

21 / 30

Category: Hand

21. 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

22 / 30

Category: Hand

22. 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

23 / 30

Category: Hand

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

1. scaphoid

2. triquetral

3. capitate

4. radius

5. trapezoid

24 / 30

Category: Hand

24. 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

25 / 30

Category: Hand

25. 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)

26 / 30

Category: Hand

26. 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

27 / 30

Category: Hand

27. 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

28 / 30

Category: Hand

28. 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

29 / 30

Category: Hand

29. The extensor retinaculum:

1. lies transversely across the extensor surface of the wrist joint

2. is attached to the radius and the ulna

3. is attached to the pisiform

4. is attached to the scaphoid

5. is attached to the trapezium

30 / 30

Category: Hand

30. 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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Online Quiz: The Hand

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