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MSK - 3rd year > Anatomy Review Q's (Upper Limbs) > Flashcards

Anatomy Review Q's (Upper Limbs) Flashcards

Anatomy of the Shoulder region 1 (1-19) Anatomy of the Shoulder region 2 (20-36) Anatomy of the Axilla & Arm (37-66) Anatomy of the Brachial Plexus (67-78) Anatomy of the Forearm (79-109) Anatomy of the Elbow, Radioulnar, & Wrist joints (110-126) Functional Anatomy of the Hand (127-163) Development of the Musculoskeletal System (164-187)

1
Q

Which portion of the pectoral girdle is incomplete?

a. anterior
b. posterior

A

b. posterior

there’re no bones connecting the scapulas together

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2
Q

Which of the following best describes the shape of the clavicle?

a. X shaped
b. Y shaped
c. S shaped
d. C shaped

A

c. S shaped

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3
Q

Which site of the clavicle is the most susceptible to fractures?

a. 1/2 from the medial side and 1/2 from the lateral side
b. 2/3 from the medial side and 1/3 from the lateral side
c. 1/3 from the medial side and 2/3 from the lateral side

A

b. 2/3 from the medial side and 1/3 from the lateral side

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4
Q

Which of the following is more superior?

a. acromion
b. coracoid

A

a. acromion

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5
Q

Which of these ribs does the scapula overly?

a. 1-7
b. 2-7
c. 3-7
d. 3-8

A

b. 2-7

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6
Q

Which of the following causes pain when leaning back on a chair?

a. acromial fracture
b. coracoid process fracture
c. scapular winging
d. glenoid fracture

A

c. scapular winging

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7
Q

Which site if the humerus is the most susceptible to fractures?

a. anatomical neck
b. surgical neck
c. greater tubercle
d. lesser tubercle

A

b. surgical neck

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8
Q

What’s the function of the sternoclavicular joint?

a. ball and socket
b. saddle
c. fibrocartilage

A

a. ball and socket

its a saddle joint that acts as a ball and socket

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9
Q

Which of the following ligaments prevents shoulder dislocation?

a. coracoacromial ligament
b. coracoclavicular ligament
c. acromioclavicular joint

A

b. coracoclavicular ligament

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10
Q

Which of the following causes shoulder separation?

a. posterior falling
b. anterior falling
c. lateral falling
d. falling upsidedown

A

c. lateral falling

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11
Q

How much of the humeral head is accepted by the glenoid cavity?

a. 1/4
b. 1/3
c. 1/2
d. all of it

A

b. 1/3

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12
Q

Which of the following is the most common shoulder dislocation?

a. anterior dislocation
b. posterior dislocation

A

a. anterior dislocation

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13
Q

T/F: lateral and medial rotation depend heavily on the forearm movement

A

F, they depend on the glenohumeral joint

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14
Q

Which of the following bursa’s is connected to the shoulder joint?

a. subacromial bursa
b. subdeltoid bursa
c. subscapular bursa

A

c. subscapular bursa

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15
Q

Which of the following is the most dangerous shoulder dislocation?

a. anterior dislocation
b. posterior dislocation

A

b. posterior dislocation

because it affects the vessels etc behind it

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16
Q

Which of the following ligaments protects against the superior dislocation of the humerus?

a. coracohumeral ligament
b. superior glenohumeral ligament
c. transverse humoral ligament

A

a. coracohumeral ligament

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17
Q

What supplies blood to the glenohumeral joint?

a. thoracoacromial artery
b. humeral artery
c. subscapular artery

A

b. humeral artery

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18
Q

Which border of the scapula is also known as the axillary border?

a. superior border
b. medial border
c. lateral border

A

c. lateral border

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19
Q

What’s true about the articular disc?

a. made from hyaline cartilage
b. helps in range of movement

A

b. helps in range of movement

it’s fibrocartilage

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20
Q

Which of the following is most likely to be medial & superior?

a. insertion of muscle
b. origin of muscle

A

b. origin of muscle

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21
Q

Which of the following does initiates abduction?

a. serratus anterior
b. trapezius
c. subscapularis
d. supraspinatus

A

d. supraspinatus

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22
Q

Which of the following can medially and laterally rotate the arm?

a. serratus anterior
b. trapezius
c. subscapularis
d. deltoid

A

d. deltoid

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23
Q

Which of the following is most likely to be lateral & distal?

a. insertion of muscle
b. origin of muscle

A

a. insertion of muscle

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24
Q

A patient comes in complaining that he can’t raise his hand except when he leans to the side. What’s most likely issue?

a. subscapular nerve
b. accessory nerve
c. cervical nerve
d. suprascapular nerve

A

d. suprascapular nerve

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25
Q

Which of the following functions to depress the clavicle?

a. pectoralis major
b. pectoralis minor
c. subscapularis
d. serratus anterior
e. subclavius

A

e. subclavius

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26
Q

Which of the following is known as the boxer’s muscle?

a. pectoralis major
b. pectoralis minor
c. subscapularis
d. serratus anterior
e. subclavius

A

d. serratus anterior

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27
Q

Which can laterally roate the arm?

a. infraspinatus
b. teres major
c. latissimus dorsi

A

a. infraspinatus

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28
Q

Which TWO of the following are innervated by the axillary nerve?

a. deltoid
b. teres minor
c. subclavius
d. pectoralis minor

A

a. deltoid
&
b. teres minor

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29
Q

Which of the following medially rotates the arm?

a. teres minor
b. teres major

A

b. teres major

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30
Q

Which of the following adducts the arm?

a. subscapularis
b. supraspinatus

A

a. subscapularis

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31
Q

Whats the main function of latissmus dorsi?

a. abduction
b. adduction
c. lateral rotation of humerus

A

b. adduction

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32
Q

Which of the following does the trapezius muscle aid in?

a. abduction
b. adduction
c. lateral rotation of humerus

A

a. abduction

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33
Q

Which of the following is innervated by the accessory nerve?

a. deltoid
b. teres minor
c. subclavius
d. trapezius

A

d. trapezius

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34
Q

Which of the following is NOT innervated by the suprascapular nerve?

a. infraspinatus
b. supraspinatus
c. teres major

A

c. teres major

teres major innervated by subscapular nerve

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35
Q

Which of the following innervates the infraspinatus muscle?

a. suprascapular
b. subscapular

A

a. suprascapular

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36
Q

Which of the following innervates teres major?

a. suprascapular
b. subscapular

A

b. subscapular

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37
Q

Which of the following bounds the axilla medially?

a. pectoralis major
b. pectoralis minor
c. subscapularis
d. serratus anterior

A

d. serratus anterior

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38
Q

Which of the following bounds the axilla anteriorly?

a. pectoralis major
b. humerus
c. latissimus dorsi
d. scapula

A

a. pectoralis major

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39
Q

Which of the following bounds the axilla laterally?

a. pectoralis major
b. humerus
c. latissimus dorsi
d. scapula

A

b. humerus

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40
Q

Which of the following bounds the axilla posteriorly?

a. teres major
b. teres minor
c. latissimus dorsi
d. humerus

A

a. teres major

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41
Q

The branch of the subclavian artery passed the lateral margin of rib 1. What is it called now?

a. profunda brachii
b. brachial artery
c. axillary artery

A

c. axillary artery

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42
Q

The branch of the subclavian artery passed the lateral margin of rib 1, as well as the pectoralis minor muscle. What is it called now?

a. part 1 of axillary artery
b. part 2 of axillary artery
c. part 3 of axillary artery
d. profunda brachii

A

c. part 3 of axillary artery

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43
Q

The branch of the subclavian artery passed the lateral margin of rib 1, the pectoralis minor muscle, and the lateral border of teres major. What is it called now?

a. profunda brachii
b. brachial artery
c. part 1 of axillary artery
d. axillary artery

A

b. brachial artery

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44
Q

What happens if the axillary artery was cut below (distal) the subscapular branch?

a. blood flow to limb continues
b. blood flow to limb stops

A

b. blood flow to limb stops

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45
Q

Which of the following is most likely affected during an axial wound?

a. axillary artery
b. axillary vein

A

b. axillary vein

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46
Q

Which TWO of the following join to form the axillary vein?

a. humoral vein
b. brachial vein
c. cephalic vein
d. basilic vein

A

b. brachial vein
&
d. basilic vein

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47
Q

Where will the lymphatic vessels ascending with the basilic vein terminate?

a. apical apical axillary lymph nodes
b. humoral axillary lymph nodes

A

b. humoral axillary lymph nodes

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48
Q

Where will the lymphatic vessels ascending with the cephalic vein terminate?

a. apical axillary lymph nodes
b. humoral axillary lymph nodes

A

a. apical axillary lymph nodes

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49
Q

injury to which of the following nerves causes scapular winging?

a. long thoracic nerve
b. thoracodorsal nerve
c. medial pectoral nerve

A

a. long thoracic nerve

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50
Q

Which of the following humoral grooves is also known as the bicipital groove?

a. radial groove
b. intertubercular groove

A

b. intertubercular groove

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51
Q

Which of the following is affected when the lateral supracondylar fracture occurs?

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

A

d. median nerve

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52
Q

Which of the following is affected when a fracture of the medial epicondyle occurs?

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

A

b. ulnar nerve

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53
Q

What innervates the posterior aspect/compartment of the arm?

a. radial nerve
b. musculocutaneous nerve

A

a. radial nerve

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54
Q

What innervates the anterior aspect/compartment of the arm?

a. radial nerve
b. musculocutaneous nerve

A

b. musculocutaneous nerve

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55
Q

Which of the following is most likely affected when a fracture in the shaft occurs?

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

A

c. radial nerve

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56
Q

Which of the following is most likely affected when a fracture of the surgical neck occurs?

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

A

a. axillary nerve

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57
Q

Which of the following muscles helps resist shoulder dislocation?

a. anconeus
b. brachialis
c. coracocobrachialis
d. long head of biceps
e. short head of biceps

A

e. short head of biceps

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58
Q

The anconeus muscle helps in pronation. Which of the following bones does it use to do this?

a. radius
b. ulna

A

b. ulna

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59
Q

Which of the following does the axillary nerve pass though?

a. triangular space
b. quadrangular space
c. triangular interval

A

b. quadrangular space

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60
Q

Which of the following does the branch of the subscapular artery pass though?

a. triangular space
b. quadrangular space
c. triangular interval

A

a. triangular space

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61
Q

Which of the following does the humeral circumflex artery pass though?

a. triangular space
b. quadrangular space
c. triangular interval

A

b. quadrangular space

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62
Q

Which of the following does the radial nerve pass though?

a. triangular space
b. quadrangular space
c. triangular interval

A

c. triangular interval

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63
Q

Which of the following does the profunda brachii pass though?

a. triangular space
b. quadrangular space
c. triangular interval

A

c. triangular interval

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64
Q

In quadrilateral syndrome, which nerve is affected?

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

A

a. axillary nerve

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65
Q

Which of the following is superiorly bound by teres major?

a. triangular space
b. quadrangular space
c. triangular interval

A

c. triangular interval

the rest are both bound superiorly by teres minor

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66
Q

Which of the following is laterally bound by the humerus shaft?

a. triangular space
b. quadrangular space
c. triangular interval

A

b. quadrangular space

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67
Q

Which of the following innervates the skin over the lower half of the deltoid muscle?

a. axillary nerve
b. median nerve
c. ulnar nerve
d. musculocutaneous nerve

A

a. axillary nerve

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68
Q

Which muscles are used to test the function of the axillary nerve?

a. subscapularis
b. teres minor
c. subclavius
d. pectoralis minor

A

b. teres minor

deltoid too

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69
Q

Which of the following innervates the lateral forearm skin?

a. axillary nerve
b. median nerve
c. ulnar nerve
d. musculocutaneous nerve
e. radial nerve

A

d. musculocutaneous nerve

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70
Q

Which of the following innervates the medial aspect of the flexor digitorum profundus muscle?

a. axillary nerve
b. median nerve
c. ulnar nerve
d. musculocutaneous nerve
e. radial nerve

A

c. ulnar nerve

the anterior interosseous nerve, which is a median nerve branch, innervates the lateral half of it

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71
Q

Which of the following innervates the coracobrachialis?

a. axillary nerve
b. median nerve
c. ulnar nerve
d. musculocutaneous nerve
e. radial nerve

A

d. musculocutaneous nerve

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72
Q

Which of the following innervates most of the anterior forearm compartment?

a. axillary nerve
b. median nerve
c. ulnar nerve
d. musculocutaneous nerve
e. radial nerve

A

b. median nerve

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73
Q

Which of the following innervates most of the intrinsic hand muscles?

a. axillary nerve
b. median nerve
c. ulnar nerve
d. musculocutaneous nerve
e. radial nerve

A

c. ulnar nerve

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74
Q

A patient felt numbness and tingling on the distal 2/3 of his middle finger. Which nerve is most likely responsible?

a. axillary nerve
b. median nerve
c. ulnar nerve
d. musculocutaneous nerve
e. radial nerve

A

b. median nerve

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75
Q

A patient felt numbness and tingling on his pinky finger. Which nerve is most likely responsible?

a. axillary nerve
b. median nerve
c. ulnar nerve
d. musculocutaneous nerve
e. radial nerve

A

c. ulnar nerve

76
Q

Which TWO of the following are affected in Erb’s paralysis?

a. C5
b. C6
c. C7
d. C8
e. T1

A

a. C5
&
b. C6

(superior trunk)

77
Q

Which TWO of the following are affected in claw hands?

a. C5
b. C6
c. C7
d. C8
e. T1

A

d. C8
&
e. T1

(inferior trunk)

78
Q

Which of the following is most likely affected when a patient has numbness and tingling on his thumb?

a. C5
b. C6
c. C7
d. C8
e. T1

A

b. C6

79
Q

Which of the following muscle make up the medial border of cubital fossa?

a. teres major
b. teres minor
c. pronator teres
d. supinator teres

A

c. pronator teres

80
Q

Which of the following muscle make up the lateral border of cubital fossa?

a. coracobrachialis
b. brachioradialis
c. brachialis
d. supinator

A

b. brachioradialis

81
Q

Which of the following can NOT be found in the cubital fossa?

a. ulnar nerve
b. radial nerve
c. median nerve
d. brachial artery

A

a. ulnar nerve

remember: ulnar artery begins in cubital fossa

82
Q

Which TWO of the following muscle make up the floor of the cubital fossa?

a. coracobrachialis
b. brachioradialis
c. brachialis
d. teres major
e. teres minor
f. supinator

A

c. brachialis
&
f. supinator

83
Q

Which muscle helps locate the median nerve?

a. Pronator teres
b. Flexor carpi radialis
c. Palmaris longus
d. Flexor carpi ulnaris

A

c. Palmaris longus

84
Q

Which of the following muscles is the prime mover in pronation?

a. Pronator teres
b. Pronator quadratus
c. Supinator

A

b. Pronator quadratus

85
Q

Injury to which of the following causes wrist drop?

a. radial nerve
b. ulnar nerve
d. median nerve

A

a. radial nerve

86
Q

Which of the following is the principal nerve of the hand?

a. radial nerve
b. ulnar nerve
d. median nerve

A

b. ulnar nerve

87
Q

Which of the following is the principal nerve of the anterior forearm region?

a. radial nerve
b. ulnar nerve
d. median nerve

A

d. median nerve

88
Q

Which of the following can be found behind the medial epicondyle of the humerus?

a. radial nerve
b. ulnar nerve
d. median nerve

A

b. ulnar nerve

89
Q

Which lymph nodes do vessels accompanying the basilic vein go to?

a. apical axillary lymph nodes
b. deltopectoral lymph nodes
c. cubital lymph nodes

A

c. cubital lymph nodes

90
Q

Which of the following holds the bones of the ulna and radius together?

a. teres major
b. brachioradialis
c. supinator
d. pronator quadratus
e. pronator teres

A

d. pronator quadratus

91
Q

Which lymph nodes do vessels accompanying the cephalic vein go to?

A

apical axillary lymph nodes

deltopectoral lymph nodes

92
Q

Which of the following only crosses the elbow joint?

a. Extensor carpi radialis brevis
b. Extensor digiti minimi
c. Brachioradialis
d. Extensor carpi ulnaris

A

c. Brachioradialis

93
Q

Which nerve is found in between the two heads of the supinator muscle?

a. ulnar nerve
b. superficial branch of radial nerve
c. deep branch of radial nerve
d. median nerve

A

c. deep branch of radial nerve

94
Q

Which best describes wrist drop Injury when the deep branch of the radial nerve is affected?

a. no loss of sensation
b. (minimal) sensory loss
c. inability to flex wrist

A

a. no loss of sensation

95
Q

Which best describes wrist drop Injury when the superficial branch of the radial nerve is affected?

a. no loss of sensation
b. (minimal) sensory loss
c. inability to flex wrist

A

b. minimal sensory loss

96
Q

Which muscle helps locate the ulnar nerve/artery?

a. Pronator teres
b. Flexor carpi radialis
c. Palmaris longus
d. Flexor carpi ulnaris

A

d. Flexor carpi ulnaris

97
Q

Which gives rise to the common interosseous artery?

a. ulnar artery
b. radial artery
b. median artery

A

a. ulnar artery

common gives rise to the anterior and posterior interosseous arteries. So ulnar artery gives rise to all of them

98
Q

Which is smaller?

a. ulnar artery
b. radial artery

A

b. radial artery

99
Q

Which ones supply the hand?

a. ulnar artery
b. radial artery
b. median artery

A

a. ulnar artery
&
b. radial artery

100
Q

Which of the following does the cephalic vein join with?

a. humoral vein
b. brachial vein
c. axillary vein
d. basilic vein

A

c. axillary vein

101
Q

Which of the following muscles of the superficial anterior compartment of the forearm adducts the arm?

a. Pronator teres
b. Flexor carpi radialis
c. Palmaris longus
d. Flexor carpi ulnaris

A

d. Flexor carpi ulnaris

102
Q

Which of the following muscles of the superficial anterior compartment of the forearm abducts the arm?

a. Pronator teres
b. Flexor carpi radialis
c. Palmaris longus
d. Flexor carpi ulnaris

A

b. Flexor carpi radialis

103
Q

Which of the following gives rise to the posterior interosseous nerve?

a. ulnar nerve
b. radial nerve
c. median nerve

A

b. radial nerve

104
Q

Which of the following only crosses the elbow joint?

a. Extensor carpi radialis brevis
b. Extensor digiti minimi
c. supinator
d. Extensor carpi ulnaris

A

c. supinator

105
Q

Which of the following gives rise to the anterior interosseous nerve?

a. ulnar nerve
b. radial nerve
c. median nerve

A

c. median nerve

106
Q

Which of the following innervates almost all superficial extensors of the forearm?

a. radial nerve
b. deep branch of radial nerve
c. posterior interosseous nerve

A

b. deep branch of radial nerve

except brachioradialis and carpi radialis longus are by A

107
Q

Which of the following innervates almost all deep extensors of the forearm?

a. radial nerve
b. deep branch of radial nerve
c. posterior interosseous nerve

A

c. posterior interosseous nerve

except supinator by B

108
Q

A lesion on which of the following causes claw hand?

a. ulnar nerve
b. radial nerve
c. median nerve

A

a. ulnar nerve

109
Q

Which nerve is found in between the two heads of the pronator teres muscle?

a. ulnar nerve
b. superficial branch of radial nerve
c. deep branch of radial nerve
d. median nerve

A

d. median nerve

110
Q

T/F: the humoral epicondyles are not covered by the fibrous capsule of the elbow joint

A

true

111
Q

Which is also called lateral epicondylitis?

a. tennis elbow
b. glof elbow

A

a. tennis elbow

112
Q

Which is also called medial epicondylitis?

a. tennis elbow
b. glof elbow

A

b. glof elbow

113
Q

Which of the following allows for supination and pronation?

a. anular ligament
b. radial collateral ligament
c. ulnar collateral ligament

A

a. anular ligament

114
Q

Where is the humerus more likely to go during an elbow dislocation?

a. posteriorly
b. anteriorly

A

b. anteriorly

115
Q

A healthy patient comes in with a carrying angle of 18. What’s their gender?

a. male
b. female

A

b. female

116
Q

Where is the ulnar/radius more likely to go during an elbow dislocation?

a. posteriorly
b. anteriorly

A

a. posteriorly

117
Q

A healthy patient comes in with a carrying angle of 15. What’s their gender?

a. male
b. female

A

a. male

118
Q

Which of the following is a pivot joint?

a. proximal radioulnar joint
b. distal radioulnar joint
c. both
d. neither

A

c. both

119
Q

Which most accurately describes pronation?

a. proximally, the radius rotates around the ulna
b. distally, the radius rotates around the ulna
c. biceps brachii helps in the movement

A

b. distally, the radius rotates around the ulna

120
Q

wrist joint is described as which type of joint?

a. pivot
b. condyloid
c. ball and socket

A

b. condyloid

121
Q

Which muscle doesn’t participate in the formation of the wrist (radiocarpal) joint?

a. radius
b. ulna
c. scaphoid

A

b. ulna

122
Q

Which of the following carpal bones are connected by the ulnar collateral ligament?

a. Capitate
b. Scaphoid
c. Pisiform
d. Lunate
e. Triquetrum

A

e. Triquetrum

123
Q

Which of the following carpal bones are connected by the radial collateral ligament?

a. Capitate
b. Scaphoid
c. Pisiform
d. Lunate
e. Triquetrum

A

b. Scaphoid

124
Q

Which wrist action is more flexible?

a. adduction
b. abduction

A

a. adduction

125
Q

Which of the following ligaments is responsible for carpal tunnel syndrome?

a. extensor retinaculum
b. flexor retinaculum
c. palmar carpal ligaments

A

b. flexor retinaculum

126
Q

Which of the following is affected by carpal tunnel syndrome?

a. thenar
b. hypothenar
c. central palm

A

a. thenar

127
Q

Which of the following thumb tendons do NOT have the Sesamoid bones within it?

a. Adductor pollicis longus
b. Extensor pollicis brevis
c. Flexor pollicis longus

A

b. Extensor pollicis brevis

128
Q

Which of the following joints is a plane joint

a. first carpometacarpal joint
b. carpometacarpal joint
c. metacarpophalangeal joint
d. interphalangeal joint

A

b. Carpometacarpal joint

129
Q

Which of the following carpal bones is in the distal row?

a. Capitate
b. Scaphoid
c. Pisiform
d. Lunate
e. Triquetrum

A

a. Capitate

in distal row:
trapezium, the trapezoid, the capitate, and the hamate

130
Q

In which areas are the skin and the deep fascia connected?

A

palms of hands and soles of feet

131
Q

Which finger is usually the first to be affected by Dupuytren’s Contracture?

a. thumb
b. index
c. middle
d. ring
d. pinky

A

d. ring

132
Q

Which of the following joints is a hinge joint?

a. first carpometacarpal joint
b. carpometacarpal joint
c. metacarpophalangeal joint
d. interphalangeal joint

A

d. interphalangeal joint

133
Q

Which TWO of the following join to form the dorsal venous arch?

a. humoral vein
b. brachial vein
c. cephalic vein
d. basilic vein

A

c. cephalic vein
&
d. basilic vein

134
Q

Which margin of the palmar aponeurosis gives rise to palmaris brevis?

a. lateral margin
b. medial margin

A

b. medial margin

135
Q

Which of the following joints is a condyloid joint?

a. first carpometacarpal joint
b. carpometacarpal joint
c. metacarpophalangeal joint
d. interphalangeal joint

A

c. metacarpophalangeal joint

136
Q

Which of the following joints is a saddle joint?

a. first carpometacarpal joint
b. carpometacarpal joint
c. metacarpophalangeal joint
d. interphalangeal joint

A

a. first carpometacarpal joint

137
Q

A patient loses sensation of his thumb, which is affected?

a. C7
b. C6
c. ulnar nerve
d. radial nerve

A

b. C6

138
Q

Which of the following is NOT affected by carpal tunnel syndrome?

a. digit 1
b. digit 2
c. digit 3
d. digit 4
e. digit 5

A

e. digit 5

139
Q

What innervates the dorsal side of the thumb?

a. ulnar nerve
b. radial nerve
c. median nerve

A

b. radial nerve

140
Q

What innervates the fifth digit?

a. ulnar nerve
b. radial nerve
c. median nerve

A

a. ulnar nerve

141
Q

Where does the lymph from the Lateral side of the hand empty onto?

a. axillary nodes
b. cubital nodes
c. supratrochlear nodes
d. infraclavicular nodes

A

d. infraclavicular nodes

B&C are different names for the same thing!

142
Q

What holds the long flexor tendons during wrist joint movements?

A

Flexor retinaculum

143
Q

Which of the following are connected to the tendon of flexor superficialis?

a. distal phalanx
b. medial phalanx
c. proximal phalanx

A

b. medial phalanx

144
Q

Which of the following are connected to the tendon of flexor perforatus?

a. distal phalanx
b. medial phalanx
c. proximal phalanx

A

c. proximal phalanx

145
Q

Which are responsible for crude movements?

a. Intrinsic muscles of the hands
b. Extrinsic muscles of the hands

A

b. Extrinsic muscles of the hands

146
Q

Which of the following are connected to the tendon of flexor profundus?

a. distal phalanx
b. medial phalanx
c. proximal phalanx

A

a. distal phalanx

147
Q

Which are responsible for fine movements?

a. Intrinsic muscles of the hands
b. Extrinsic muscles of the hands

A

a. Intrinsic muscles of the hands

148
Q

Which of the following muscles can you find four of dorsally?

a. lumbrical muscles
b. interossei muscles
c. both
d. neither

A

b. Interossei muscles

lumbricals are paLmer

149
Q

Which of the following does NOT have a bony origin?

a. lumbrical muscles
b. interossei muscles
c. both
d. neither

A

a. lumbrical muscles

150
Q

What innervates hypothenar muscles?

a. ulnar nerve
b. radial nerve
c. median nerve

A

a. ulnar nerve

151
Q

What innervates thenar muscles?

a. ulnar nerve
b. radial nerve
c. median nerve

A

c. median nerve

152
Q

Which TWO lumbricals have two heads?

a. 1
b. 2
c. 3
d. 4

A

c. 3
&
d. 4

153
Q

Which TWO lumbricals are innervated by the median nerve?

a. 1
b. 2
c. 3
d. 4

A

a. 1
&
b. 2

(other two by ulnar)

154
Q

What innervates Interossei muscles?

a. ulnar nerve
b. radial nerve
c. median nerve

A

a. ulnar nerve

155
Q

A kid cut his hand and severe bleeding started. How do you stop the bleeding

a. clamping the ulnar artery
b. clamping the radial artery
c. clamping the brachial artery

A

c. clamping the brachial artery

A&B don’t work because of the connection between palmar & dorsal arches

156
Q

Which is made from ulnar (2/3rd) and radial artery (1/3rd)?

a. Superficial palmar arch
b. Deep palmar arch

A

a. Superficial palmar arch

157
Q

Which artery is found in between the two heads of the first dorsal interosseous muscle?

a. ulnar artery
b. median artery
c. radial artery

A

c. radial artery

158
Q

Which nerve is responsible for the ape hand deformity?

a. ulnar nerve
b. median nerve
c. radial nerve

A

b. median nerve

159
Q

Which is located in the tunnel of Guyon?

a. ulnar artery
b. median artery
c. radial artery

A

a. ulnar artery

160
Q

Which muscles are responsible for the clawed hand syndrome?

A

2 medial lumbrical muscles

161
Q

Which is more proximal?

a. Superficial palmar arch
b. Deep palmar arch

A

b. Deep palmar arch

162
Q

Which provides circulation to the thumb?

a. Superficial palmar arch
b. Deep palmar arch

A

b. Deep palmar arch

163
Q

Patient comes in with sever throbbing pain on the tip of his middle finger. What does he have?

A

whitlow or felon

164
Q

What occurs to the lower limbs during the 7th week of gestation?

a. medially turn 90 degrees
b. medially turn 180 degrees
c. laterally turn 90 degrees
d. laterally turn 180 degrees

A

a. medially turn 90 degrees

165
Q

Which component of limbs is the ulna in?

a. autopod
b. stylopod
c. zeugopod

A

c. zeugopod

166
Q

Which component of limbs are phalanges in?

a. autopod
b. stylopod
c. zeugopod

A

a. autopod

167
Q

What occurs to the upper limbs during the 7th week of gestation?

a. medially turn 90 degrees
b. medially turn 180 degrees
c. laterally turn 90 degrees
d. laterally turn 180 degrees

A

c. laterally turn 90 degrees

168
Q

Which is FALSE?

a. ossification begins by week 8
b. all long bones ossify in cartilage
c. limb bones develop proximo-distally
d. interzone is formed via apoptosis

A

b. long bones ossify in cartilage

the clavicle ossifies in the membrane so this is false

169
Q

What forms after birth?

a. primary ossification center
b. secondary ossification center
c. interzone

A

b. secondary ossification center

170
Q

Which has only one epiphyseal plate?

a. vertebra
b. phalanges

A

b. phalanges

171
Q

Which mesoderm develops into somites?

a. intermediate
b. lateral
c. paraxial

A

c. paraxial

172
Q

somites at which region make up upper limb muscles?

a. L2
b. L3
c. C4
d. C5

A

d. C5

173
Q

Where are body wall muscles derived from?

a. dermatome
b. sclerotome
c. myotome

A

c. myotome

174
Q

Which has multiple secondary centers?

a. vertebra
b. phalanges

A

a. vertebra

175
Q

Where are the muscles of the limbs and trunk derived from?

a. dermatome
b. sclerotome
c. myotome

A

b. sclerotome

sclerotome gives rise to dermo-myotome, which gives rise to dermatomes and muscles of the trunk and limbs

176
Q

A girl named Amelia was born without a leg. Which of the following does she have?

a. amelia
b. meromelia
c. micromelia

A

a. amelia

177
Q

Which of the following would have increased growth hormone?

a. acromegaly
b. giantism
c. achondroplasia

A

b. giantism

178
Q

A patient came in with a normal height, but with large hands and feet. Which is most likely?

a. acromegaly
b. giantism
c. achondroplasia

A

a. acromegaly

179
Q

How many primary ossification centers does a vertebra have?

a. 1
b. 2
c. 3
d. 4
e. 5

A

c. 3

5 secondary ossification centers

180
Q

Which of the following will form the annulus fibrosus of the intervertebral disc?

a. notochord
b. central sclerotome

A

b. central sclerotome

181
Q

Where are segmental arteries located?

a. segmental plane
b. intersegmental plane
c. postsegmental plane

A

b. intersegmental plane

182
Q

Where are spinal nerves located?

a. segmental plane
b. intersegmental plane
c. postsegmental plane

A

a. segmental plane

183
Q

Which of the following will form the nucleus pulposus?

a. notochord
b. central sclerotome

A

a. notochord

184
Q

What occurs when half of the vertebra doesn’t ossify?

a. spina bifida
b. scoliosis
c. lower limbs don’t develop

A

b. scoliosis

185
Q

Which involves meninges and spinal cord?

a. open spina bifida
b. spina bifida occulta
c. spina bifida cystica

A

c. spina bifida cystica

186
Q

Which is covered by a thin membrane?

a. open spina bifida
b. spina bifida occulta
c. spina bifida cystica

A

a. open spina bifida

187
Q

Which is covered by a thick membrane?

a. open spina bifida
b. spina bifida occulta
c. spina bifida cystica

A

b. spina bifida occulta

MSK - 3rd year (19 decks)

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