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. 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

2 / 30

Category: Hand

2. 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

3 / 30

Category: Hand

3. 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

4. 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

5 / 30

Category: Hand

5. 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

6 / 30

Category: Hand

6. 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

7 / 30

Category: Hand

7. 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

8 / 30

Category: Hand

8. 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

9 / 30

Category: Hand

9. 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

10 / 30

Category: Hand

10. 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

11 / 30

Category: Hand

11. 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

12 / 30

Category: Hand

12. 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

13 / 30

Category: Hand

13. 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

14 / 30

Category: Hand

14. 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

15 / 30

Category: Hand

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

1. scaphoid

2. trapezoid

3. hamate

4. triquetral

5. pisiform

16 / 30

Category: Hand

16. 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

17 / 30

Category: Hand

17. 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

18 / 30

Category: Hand

18. All the following statements concerning the scaphoid are true EXCEPT

1. it articulates with radius proximally in abduction

2. it is the most susceptible of the carpal bones to fracture

3. it participates in the midcarpal joint

4. it receives an attachment for the transverse carpal ligament

5. fracture of the scaphoid is a common cause for median nerve compression in carpal tunnel syndrome

19 / 30

Category: Hand

19. Regarding the extensor retinaculum:

1. septa divide the extensor region into four compartments

2. it attaches to the ulnar styloid

3. the four extensor digitorum tendons lie deep to extensor indicis

4. it is a thickening of the deep fascia of the forearm

5. it lies transversely across the extensor surface of the wrist joint

20 / 30

Category: Hand

20. 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

21 / 30

Category: Hand

21. 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

22 / 30

Category: Hand

22. 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

23 / 30

Category: Hand

23. 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

24 / 30

Category: Hand

24. 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

25 / 30

Category: Hand

25. 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

26 / 30

Category: Hand

26. The median nerve goes through the heads of which

1. biceps brachii

2. supinator

3. pronator teres

4. pronator quadratus

5. flexor digitorum superficialis

27 / 30

Category: Hand

27. Which carpal bone is most commonly dislocated?

1. Hamate

2. scaphoid

3. trapezium

4. capitate

5. pisiform

28 / 30

Category: Hand

28. 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

29 / 30

Category: Hand

29. 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

30 / 30

Category: Hand

30. 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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Online Quiz: The Hand

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