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MSK 1 > Anatomy -practical 08 - posterior forearm ; dorsum of hand > Flashcards

Anatomy -practical 08 - posterior forearm ; dorsum of hand Flashcards

1
Q

what is the role of most of the muscles in the posterior compartment?

a. extension
b. rotation
c. flexion
d. abduction

A

a.extension

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2
Q

what nerve innervates the posterior compartment?

a. median
b. radial
c. axillary
d. ulnar

A

b.radial

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3
Q

the interosseus branch of which nerve innervates the posterior compartment?

a. ulnar
b. radial
c. axillary
d. median

A

b.radial

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4
Q

which of these pairs of branches innervate the posterior compartment?

a. interosseus and superficial radial
b. lumbrical and deep ulnar
c. interosseus and deep radial

A

c. interosseus and deep radial

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5
Q

how many layers make up the forearm?

a. one
b. four
c. six
d. two

A

d.two

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6
Q

where do most muscles of the posterior compartment have their origin?

a. common extensor tendon, lateral epicondyle
b. common flexor tendon, lateral epicondyle
c. common flexor tendon, medial epicondyle
d. common extensor tendon, medial epicondyle

A

a. common extensor tendon, lateral epicondyle

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7
Q

which of these groups make up the deep group of the posterior compartment?

a. abductor pollicis longus, extensor pollicis longus, extensor pollicis brevis, extensor indices, supinator
b. brachioradialis, extensor carpi radialis longus, extensor carpi radialis brevis, extensor digitorum, extensor digiti minimi, extensor carpi ulnaris
a. adductor pollicis longus, extensor pollicis longus, extensor pollicis brevis, extensor indicies, supinator

A

a.abductor pollicis longus, extensor pollicis longus, extensor pollicis brevis, extensor indicies, supinator

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8
Q

abductor polllicis longus, extensor pollicis longus, extensor pollicis brevis supinator and which other muscle make up the deep group of the posterior compartment?

a. pronator teres
b. extensor indicies
c. flexor digitorum
d. extensor digiti minimi

A

b.extensor indicies

abductor pollicis longus, extensor pollicis longus, extensor pollicis brevis, extensor indicies , supinator

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9
Q

which group of muscles is made up by the brachioradialis, extensor carpi radialis longus, extensor carpi radialis brevis, extensor digitorum, extensor digiti minimi, extensor carpi ulnaris ?

a.deep posterior
b.deep anterior
c,superficial posterior
d. superficial anterior

A

c.superficial posterior

brachioradialis, extensor carpi radialis longus, extensor carpi radialis brevis, extensor digitorum, extensor digiti minimi, extensor carpi ulnaris

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10
Q

what is the function of brachioradialis?

a. extends forearm
b. flexes forearm
c. abducts forearm
d. adducts forearm

A

b.flexes forearm

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11
Q

where does the brachioradialis muscle arise?

a. common extensor tendon, lateral epicondyle
b. lateral supracondylar ridge of the humerus
c. medial supracondylar ridge of the humerus
d. common flexor tendon, lateral epicondyle

A

b.lateral supracondylar ridge of the humerus

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12
Q

where does the brachioradialis insert?

a. lateral supracondylar ridge of the humerus
b. styloid process of distal ulnar
c. styloid process of distal radius

A

c.styloid process of distal radius

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13
Q

where does extensor indicies supply?

a. all digits
b. digits 1-5
c. digit 2
d. digit 3

A

c.digit 2 - index

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14
Q

from which 3 places do the deep muscles originate from?

a. radius, ulnar, interosseus membrane
b. humerus, ulnar, interosseus membrane
c. radius and ulnar
d. common extensor tendon

A

a.radius, ulnar , interosseus membrane

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15
Q

pollicis meaning

A

thumb

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16
Q

where does supinator arise?

a. common extensor origin
b. lateral supracondylar ridge of humerus
c. proximal ulnar and supracondylar ridge of humerus
d. proximal ulnar

A

c.proximal ulnar and supracondylar ridge of humerus

17
Q

where does the supinator insert?

a. distal radius
b. distal ulna
c. proximal radius
d. proximal ulna

A

c.proximal radius

18
Q

what makes up the base of the anatomical snuffbox?

a. styloid process of radius
b. styloid process of the ulnar
c. extensor pollicis longus
d. extensor pollicis brevis and abductor pollicis longus

A

a.styloid process of the radius

19
Q

the styloid process of the radius makes up which part of the anatomical snuff box?

a. medial border
b. lateral border
c. floor
d. base

A

d.base

20
Q

extensor pollicis longus makes up which part of the anatomical snuffbox?

a. base
b. floor
c. medial border
d. roof

A

c.medial border

21
Q

which muscle makes up the medial border of the anatomical snuffbox?

a. styloid process of the radius
b. extensor pollicis longus
c. extensor pollicis brevis and abductor pollicis longus
d. schaphoid and trapezium

A

b.extensor pollicis longus

22
Q

the extensor pollicis brevis and abductor pollicis longus make up which aspect of the anatomical snuffbox?

a. medial border
b. lateral border
c. roof

A

b.lateral border

23
Q

which of these make up the lateral border of the anatomical snuffbox?

a. styloid process of distal radius
b. extensor pollicis longus
c. flexor pollicis brevis and abductor pollicis longus
d. scaphoid and trapezium

A

c.flexor pollicis brevis and abductor pollicis longus

24
Q

the scaphoid and trapezium make up which part of the anatomical snuffbox ?

a. medial border
b. lateral border
c. roof
d. floor

A

d.floor

25
Q

which of these make up the floor of the anatomical snuffbox?

a. scaphoid and trapezoid
b. scaphoid and trapezium
c. scaphoid and lunate
d. abductor pollicis longus and extensor pollicis brevis

A

b.scaphoid and trapezium

26
Q

what makes up the roof of the anatomical snuffbox?

a. styloid process of distal radius
b. extensor pollicis longus
c. flexor pollicis brevis and abductor pollicis longus
d. scaphoid and trapezium
e. skin

A

e.skin

27
Q

how many branches of the brachial artery supply the elbow joint?

a. 2
b. 3
c. 4
d. 5

A

c.4

28
Q

which two muscles does the ulnar artery run deep to?

a. pronator quadratus and flexor carpi ulnaris
b. pronator teres and flexor carpi unaris
c. pronator teres and extensor carpi ulnaris
d. pronator quadratus and extensor carpi ulnaris

A

b.pronator teres and flexor carpi ulnaris

29
Q

which artery runs deep to pronator teres and flexor carpi ulnaris ?

a. ulnar
b. radial
c. brachial

A

a.ulnar

30
Q

the deep palmar arch and superficial palmar arch are supplied by which vessel?

a. ulnar
b. radial
c. radial and ulnar
d. brachial

A

c.radial and ulnar

31
Q

which vessel runs deep to brachioradialis?

a. ulnar
b. radial
c. brachial

A

b.radial

32
Q

what muscle does the radial artery run deep to?

a. brachioradialis
b. pronator teres
c. flexor carpi ulnaris

A

a.brachioradialis

33
Q

which branch of the radial nerve innervates the dorsum of the hand?

a. deep
b. superficial
c. interosseus

A

b.superficial

MSK 1 (23 decks)

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