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 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

2. The wrist (radiocarpal) joint:

1. has a synovial cavity continuous with the inferior radioulnar joint

2. has a synovial cavity continuous with the midcarpal joint

3. permits flexion, extension, adduction and abduction, but little rotation

4. has the articular surface of the radius facing distally, medially and dorsally

5. has the flexor retinaculum anterior to it

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Category: Hand

3. 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

4. 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

5. Which is true?

1. the flexor synovial sheath is only continuous from wrist to distal phalanx in the thumb

2. the medial cutaneous nerve is the smallest nerve branch of the brachial plexus

3. the capitate bone within the carpus is the last of these to ossify

4. the pisiform bone is the first bone of the carpus to ossify

5. superficial lymphatics lie with arteries, deep lymphatics with veins

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Category: Hand

6. 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

7. 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

8 / 30

Category: Hand

8. 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

9 / 30

Category: Hand

9. 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

10 / 30

Category: Hand

10. 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

11. 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

12. 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

13 / 30

Category: Hand

13. 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

14 / 30

Category: Hand

14. 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

15. 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

16. 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

17. 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

18. 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

19 / 30

Category: Hand

19. 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

20 / 30

Category: Hand

20. 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

21 / 30

Category: Hand

21. 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

22. 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

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Category: Hand

23. 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

24. 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)

25 / 30

Category: Hand

25. 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

26 / 30

Category: Hand

26. 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

27. 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

28. 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

29. 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

30 / 30

Category: Hand

30. 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

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Online Quiz: The Hand

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