Anatomie Membre Superieur Flashcards

1
Q

What is the primary function of the upper limb?

A

To facilitate movement and manipulation of objects.

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2
Q

How many bones are in the adult human upper limb?

A

The adult human upper limb contains 30 bones.

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3
Q

What are the three main regions of the upper limb?

A

The shoulder, arm, and forearm.

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4
Q

True or False: The clavicle is part of the upper limb.

A

True.

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5
Q

What is the name of the bone that forms the upper arm?

A

Humerus.

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6
Q

Fill in the blank: The ________ connects the arm to the trunk.

A

Clavicle.

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7
Q

Which bone is located on the lateral side of the forearm?

A

Radius.

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8
Q

What is the function of the scapula?

A

To provide attachment points for muscles and facilitate shoulder movement.

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9
Q

Multiple choice: Which bone is NOT part of the upper limb? A) Humerus B) Femur C) Clavicle

A

B) Femur.

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10
Q

What are the two main types of joints found in the upper limb?

A

Synovial and fibrous joints.

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11
Q

True or False: The ulna is the larger bone in the forearm.

A

False.

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12
Q

What type of joint is the shoulder joint?

A

Ball-and-socket joint.

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13
Q

What is the anatomical term for the wrist?

A

Carpus.

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14
Q

Fill in the blank: The ________ is the bone of the arm that articulates with the scapula.

A

Humerus.

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15
Q

What is the function of the rotator cuff?

A

To stabilize the shoulder joint.

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16
Q

Multiple choice: Which of the following is a carpal bone? A) Scaphoid B) Humerus C) Femur

A

A) Scaphoid.

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17
Q

What is the primary action of the biceps brachii muscle?

A

Flexion of the elbow.

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18
Q

True or False: The trapezius muscle is located in the upper limb.

A

True.

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19
Q

What nerve is primarily responsible for the sensation of the skin over the lateral aspect of the forearm?

A

Musculocutaneous nerve.

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20
Q

What is the main artery supplying the upper limb?

A

Subclavian artery.

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21
Q

Fill in the blank: The ________ is the main extensor muscle of the elbow.

A

Triceps brachii.

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22
Q

What is the role of the flexor retinaculum?

A

To hold the tendons of the flexor muscles in place at the wrist.

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23
Q

Multiple choice: Which muscle is responsible for shoulder abduction? A) Latissimus dorsi B) Deltoid C) Pectoralis major

A

B) Deltoid.

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24
Q

What is the term for the thumb’s opposition movement?

A

Opposition.

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25
Q

True or False: The upper limb has a greater range of motion than the lower limb.

A

True.

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26
Q

What is the primary function of the flexor muscles of the forearm?

A

To flex the wrist and fingers.

27
Q

Fill in the blank: The ________ is a major nerve that innervates the majority of the muscles in the forearm.

A

Median nerve.

28
Q

What is the role of the axillary nerve?

A

To innervate the deltoid and teres minor muscles.

29
Q

Multiple choice: Which of the following muscles is involved in shoulder adduction? A) Supraspinatus B) Pectoralis major C) Infraspinatus

A

B) Pectoralis major.

30
Q

True or False: The radius and ulna are parallel in a supinated position.

A

True.

31
Q

What is the name of the joint between the radius and the carpal bones?

A

Radiocarpal joint.

32
Q

Fill in the blank: The ________ muscle is responsible for wrist extension.

A

Extensor.

33
Q

What is the term for the condition of wrist pain caused by repetitive motion?

A

Carpal tunnel syndrome.

34
Q

What is the primary role of the deltoid muscle?

A

Shoulder abduction.

35
Q

Multiple choice: Which structure forms the anatomical snuffbox? A) Scaphoid B) Trapezium C) Both A and B

A

C) Both A and B.

36
Q

True or False: The upper limb has a greater amount of muscle mass than the lower limb.

A

False.

37
Q

What is the primary blood supply to the arm?

A

Brachial artery.

38
Q

Fill in the blank: The ________ is the primary muscle for elbow extension.

A

Triceps brachii.

39
Q

What is the name of the joint between the humerus and scapula?

A

Glenohumeral joint.

40
Q

Multiple choice: Which of the following muscles is a primary flexor of the elbow? A) Biceps brachii B) Triceps brachii C) Brachioradialis

A

A) Biceps brachii.

41
Q

True or False: The hand has more bones than the forearm.

A

True.

42
Q

What is the term for the bony prominence on the lateral side of the elbow?

A

Lateral epicondyle.

43
Q

Fill in the blank: The ________ is the muscle that allows for the pronation of the forearm.

A

Pronator teres.

44
Q

What is the primary function of the skin on the palm of the hand?

A

To provide grip and sensation.

45
Q

Multiple choice: Which nerve is responsible for the sensation in the palm of the hand? A) Ulnar nerve B) Radial nerve C) Median nerve

A

C) Median nerve.

46
Q

True or False: The upper limb has three major nerves: median, ulnar, and radial.

A

True.

47
Q

What is the primary function of the pectoralis major muscle?

A

Shoulder flexion, adduction, and medial rotation.

48
Q

Fill in the blank: The ________ is a band of connective tissue that helps stabilize the wrist.

A

Flexor retinaculum.

49
Q

What is the primary action of the supinator muscle?

A

Supination of the forearm.

50
Q

Multiple choice: Which of the following is NOT a carpal bone? A) Pisiform B) Capitate C) Asis

A

C) Asis.

51
Q

True or False: The ulnar nerve is responsible for the movement of the majority of intrinsic hand muscles.

A

True.

52
Q

What is the function of the anconeus muscle?

A

To assist in elbow extension.

53
Q

Fill in the blank: The ________ is the largest nerve of the brachial plexus.

A

Median nerve.

54
Q

What is the primary role of the supraspinatus muscle?

A

Initiation of shoulder abduction.

55
Q

Multiple choice: Which muscle is responsible for wrist flexion? A) Extensor carpi radialis B) Flexor carpi ulnaris C) Flexor carpi radialis

A

C) Flexor carpi radialis.

56
Q

True or False: The carpal bones are arranged in two rows.

A

True.

57
Q

What is the term for the thumb’s ability to touch the tips of the other fingers?

A

Opposition.

58
Q

Fill in the blank: The ________ is the muscle that assists in the flexion of the forearm during lifting.

A

Brachialis.

59
Q

What is the primary action of the extensor digitorum muscle?

A

Extension of the fingers.

60
Q

Multiple choice: Which of the following muscles is NOT involved in shoulder rotation? A) Infraspinatus B) Subscapularis C) Biceps brachii

A

C) Biceps brachii.

61
Q

True or False: The flexor carpi ulnaris muscle is located on the anterior side of the forearm.

A

True.

62
Q

What is the function of the lumbrical muscles in the hand?

A

To flex the metacarpophalangeal joints and extend the interphalangeal joints.

63
Q

Fill in the blank: The ________ muscle assists in the adduction of the arm.

A

Teres major.