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. 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

2. 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

3. 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

4. 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

5. 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

6. 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

7 / 30

Category: Hand

7. 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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Category: Hand

8. 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

9 / 30

Category: Hand

9. 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

10 / 30

Category: Hand

10. Which structure does NOT insert into the flexor retinaculum?

1. abductor pollicis brevis

2. flexor digiti minimi brevis

3. palmaris longus

4. opponens pollicis

5. flexor pollicis brevis

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Category: Hand

11. 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

12 / 30

Category: Hand

12. 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

13. The anatomical snuff box:

1. is crossed by cutaneous branches of the median nerve

2. has the anterior interosseous artery on its floor

3. contains the origin of the basilic vein

4. has extensor pollicis longus on the radial side

5. is crossed by cutaneous branches of the radial nerve

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Category: Hand

14. 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

15 / 30

Category: Hand

15. 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

16. 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

17. 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

18. 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

19. 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

20. 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

21. 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

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Category: Hand

22. The extensor retinaculum attaches between:

1. radius and ulna

2. scaphoid and ulna

3. radius and triquetral and pisiform

4. radius and lunate

5. trapezium and ulnar

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Category: Hand

23. 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

24. 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

25. 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

26. 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

27. 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

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Category: Hand

28. 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

29. 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

30 / 30

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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