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MSK 1 > Anatomy -practical 4 : glenohumeral joint, anterior and posterior arm, elbow joint > Flashcards

Anatomy -practical 4 : glenohumeral joint, anterior and posterior arm, elbow joint Flashcards

1
Q

What structure lies deep to the coracoacromial ligament?

a. subacromial bursa
b. joint capsule
c. tendon sheath
d. subscapular bursae

A

a. subacromial bursa

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2
Q

what structure lies superior to the tendon of subscapularis?

a. coracoacromial ligament
b. subacromial bursa
c. subscapular bursa
d. trpezoid ligament
e. conoid ligament

A

c. subscapular ligament

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3
Q

Which arteries supply the glenhumeral joint?

a. anterior and posterior circumflex humeral and the suprascapular
b. brachial and suprascapular
c. subclavian, axillary brachial

A

a. anterior and posterior circumflex humeral and suprascapular

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4
Q

the axillary, suprascapular and which other nerves innervate the glenhohumeral joint?

a. median
b. spinal accessory
c. lateral pectoral
d. radial

A

c. lateral pectoral

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5
Q

the elbow is capable only of flexion and extension. what type of joint is the elbow joint?

a. synovial ball and socket
b. synovial saddle
c. synovial hinge
d. fibrous

A

c.synovial hinge

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6
Q

which part of the distal humerus articulates with the radius ?

a. capitulum
b. trochlea
c. conoid fossa
d. lateral epicondyle

A

a.capitulum

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7
Q

what part of the humerus articluates with the ulnar?

a. capitulum
b. trochlea
c. coronoid fossa
d. medial epicondyle

A

b.trochlea

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8
Q

what part of the ulnar articulates with the distal humerus, posteriorly

a. coronoid process
b. radial notch
c. olecranon
d. trochlear notch

A

d.trochlear notch

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9
Q

what part of the ulnar articulates with the distal humerus anteriorly?

a. coronoid fossa
b. radial notch
c. trochlear notch
d. olecranon

A

a.coranoid fossa

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10
Q

what tuberosity is found on the proximal radius ?

a. ulnar tuberosity
b. capitulum tuberosity
c. radial tuberosity
c. trochlea tuberosity

A

c.radial tuberosity

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11
Q

at what point does the proximal radius and ulnar articulate?

a. radial notch of ulnar
b. ulnar notch of radius
c. radial tuberosity of radius
d. ulnar tuberosity of radius
e. unlar tuberosity of ulnar

A

a. radial notch of ulnar

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12
Q

which ligament supports the proximal radioulnar joint between the radial notch of ulnar and head of radius?

a. conoid ligament
b. trapezoid ligament
c. transverse ligament
d. annular ligament

A

d.annular ligament

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13
Q

which ligament/s support the distal radioulnar joint?

a. annular
b. anterior and posterior radioulnar ligamentds
c. anterior radiounlar
d. posterior radioulnar

A

b.anterior and posterior radioulnar

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14
Q

what components make uo the distal radioulnar joint?

a. radial notch of ulnar and head of radius
b. trochlea notch and trochlea
c. capitulum and head of radius
d. ulnar notch of radius and head of ulnar

A

d. head of ulnar and ulnar notch of radius

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15
Q

which muscles supinate the arm?

a. pronator teres and pronator quadratus
b. supinator and biceps brachii
c. supinator and triceps brachii
d. supinator and brachialis

A

b.supinator and biceps brachii

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16
Q

the radial collateral ligament blends with the annular ligament and arises from which structure?

a. coronoid fossa
b. medial epicondyle
c. olecranon
d. lateral epicondyle

A

d.lateral epicondyle

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17
Q

what ligament arises from the medial epicondyle before attaching to the coranoid process and olecranon of the ulnar?

a. conoid
b. transverse
c. ulnar collateral
d. radial collateral

A

c.ulnar collateral

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18
Q

after leaving the axilla and piercing the coracobrachialis what two muscles is the musculocutaneous nerve sandwhiched between before distally emerging laterally to the biceps tendon and brachioradialis ?

a. biceps brachii and brachialis
b. biceps brachi and triceps brachii
c. brachialis teres minor

A

a. biceps brachii and brachialis

19
Q

what is the correct order for the path of the musculocutaneous nerve?

a. brachioradialis, biceps tendon, biceps brachii, brachialis , corachobrachialis
b. biceps tendon, brachialis, brachioradialis, coracobrachialis , biceps brachii
c. coracobrachialis, biceps brachii, brachialis, biceps tendon, bracioradialis

A

c. coracobrachialis, biceps brachii, brachialis, biceps tendon, bracioradialis

20
Q

when entering the forearm what does the musculocutaneous nerve become?

a. lateral cutaneous nerve
b. medial cutaneous nerve
c. posterior cutaneous nerve

A

a.lateral cutaneous nerve (from lateral cord)

21
Q

what nerve innervates the posterior compartment of the arm?

a. radial
b. musculocutaneous
c. radial
d. axillary

A

a.radial

22
Q

which nerve innervates the muscles of the anterior compartment of the arm?

a. musculocutaneous
b. radial
c. ulnar
d. distal
e. median

A

a.musculocutaneous

23
Q

how does the radial nerve leave the axilla ?

a. qudrangular interval
b. triangular space
c. triangular interval
d. costocervical canal

A

c. triangular interval

24
Q

what blood vessel runs in the radial groove with the radial nerve?

a. brachial
b. profunda brachii
c. posterior circumflex humeral
d. axillary

A

b. profunda brachii

25
Q

after descending in the radial groove what best describes the pathway of the radial nerve?

a. runs with profunda brachii artery
b. passes anterior to medial epicodyle terminating as a deep branch and a superficial branch
c. passes anterior to the lateral epicondyle giving a deep and suoerficiial branch
d. passes posterior to lateral epicondyle giving deep and superifical branch
e. runs through coracobrachialis, between biceps brachii and brachialis, lateral to biceps tendon and brachioradialis

A

c. passes anterior to the lateral epicondyle and terminates as a deep and superificial branch

26
Q

what does the deep branch of the radial artery innervate ?

a. dorsum of hand
b. medial 1.5 digits
c. anterior forearm
d. posterior forearm

A

d.posterior forearm

27
Q

what muscles make uo the anterior compartment of the arm?

a. biceps brachii, brachialis, coroacobrachialis
b. tricpes brachii, aconeus
c. teres minor, subscapularis, infraspinatous, supraspinatous

A

a. biceps brachii, brachiLIS, CORACOBRACHIALIS

28
Q

what muscles make uo the posterior compartment of the arm?

a. biceps brachii, brachialis, coroacobrachialis
b. tricpes brachii, aconeus
c. teres minor, subscapularis, infraspinatous, supraspinatous

A

b. biceps trachii, anconeus

29
Q

which head of the biceps brachii attaches to the supraglenoid tubercule ?

a. long head
b. short head
c. medial head

A

a. long head

30
Q

where does the short head of the biceps brachii attach superiorly?

a. supraglenoid tuberucle
b. glenoid fossa
c. lateral clavicle
d. coracoid process

A

d.coracoid process

31
Q

after combining where do the biceps brachii heads insert?

a. coracoid process
b. radial tuberosity and bicipital aponeurosis
c. ulnar tuberosity and bicipital aponeurosis
d. acromion process

A

b.radial tuberosity and bicipital aponeurosis and bicipital aponeurosis

32
Q

patient no longer able to supinate and flex forearm and arm after injury. what anterior compartment muscle is likely to be damaged?

a. biceps brachii
b. brachialis
c. coracobrachialis
d. triceps brachii

A

a. biceps brachii

33
Q

what muscle is the primary flexor of the elbow joint?

a. biceps brachii
b. triceps brachii
c. brachialis
d. brachioradialis

A

c.brachialis

34
Q

what muscle arises from the medial and lateral aspects of the shaft of the humerus and inserts into the tuberosity of the ulna?

a.biceps brachii
b.brachialis
c,brachioradialis
d. coracobrachialis

A

b. brachialis

35
Q

what muscle lies deep to the biceps brachii?

a. brachialis
b. brachioradialis
c. triceps brachii

A

a.brachialis

36
Q

where does the coracobrachialis arise and insert?

a. medial and lateral aspects of humerus to ulna tuberosity
b. medial aspect of humerus to coracoid process
c. coracoid process to medial aspect of humerus
d. coracoid process to radial tuberosity and bicipital aponeurosis

A

c. coracoid process to medial aspect of the humerus

37
Q

patient unable to flex arm at shoulder following sports injury. what muscle most likely damaged from anterior compartment?

a. coracobrachialis
b. brachialis
c. teres major

A

a. coracobrachialis

38
Q

The tricpes brachii inserts into the olecranon. which head of the triceps brachii arises from the infraglenoid tubercule?

a. medial
b. long
c. lateral
d. short

A

b.long

39
Q

The tricpes brachii inserts into the olecranon. which head of the triceps brachii arises from the posterior surface of the humerus ?

a. medial
b. long
c. lateral
d. short

A

a.medial

40
Q

The tricpes brachii inserts into the olecranon. which head of the triceps brachii arises from the posterior surface superior to the radial groove ?

a. medial
b. long
c. lateral
d. short

A

lateral

41
Q

what is the function of triceps brachii?

a. flex at shoulder joint
b. extend at shoulder joint
c. flex forearm at elbow
d. extend forearm of elbow

A

c.flex forearm at elbow

42
Q

from the lateral epicondyle where does the anconeus muscle insert?

a. postolateral aspect of olecranon
b. anterolateral aspect of olecranon
cmedial aspect of humerus
d.ulna tuberosity
e. radial tuberosity and bicipital aponeurosis

A

a.postolateral aspect of olecranon

43
Q

what is the function of the posterior compartment muscles of the arm?

a. flexion
b. rotation
c. extension of arm at shoulder
d. extension of forearm at the elbow

A

d. extension of forearm at the elbow

MSK 1 (23 decks)

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