Question 1

Which of the following best describes the movement allowed by a hinge joint, such as the elbow?

Accepted Answer

Uniaxial movement: flexion and extension

Question 2

A patient presents with pain and limited movement at the glenohumeral joint. Which type of synovial joint is affected, and what movement is most likely impaired?

Accepted Answer

Ball-and-socket joint; multiaxial movement

Question 3

Which structure within a synovial joint is responsible for secreting synovial fluid?

Accepted Answer

Synovial membrane

Question 4

A football player suffers a shoulder dislocation. Which anatomical feature of the scapula forms the socket for the humerus at the shoulder joint?

Accepted Answer

Glenoid cavity

Question 5

Which of the following best explains why the shoulder joint is more prone to dislocation than the hip joint?

Accepted Answer

The glenoid cavity is shallow and allows greater mobility

Question 6

During a physical exam, a physician palpates the medial epicondyle of the humerus. Which nerve is most likely to be affected if the patient experiences a tingling sensation in the forearm?

Accepted Answer

Ulnar nerve

Question 7

Which of the following correctly matches the joint type with its example in the upper limb?

Accepted Answer

Pivot joint – proximal radioulnar joint

Question 8

A patient is unable to perform abduction at the shoulder. Which movement and joint are primarily involved?

Accepted Answer

Abduction at the glenohumeral (shoulder) joint

Question 9

Which of the following statements about synovial joints is TRUE?

Accepted Answer

They are highly mobile and include all joints of the limbs

Question 10

If a person fractures the lateral end of the clavicle, which joint is most likely to be affected?

Accepted Answer

Acromioclavicular joint

Question 11

Which of the following best describes the function of articular (hyaline) cartilage in synovial joints?

Accepted Answer

Reduces friction and absorbs shock at the joint surfaces

Question 12

A patient has difficulty flexing and extending their fingers. Which type of synovial joint is primarily responsible for these movements at the interphalangeal joints?

Accepted Answer

Hinge joint

Question 13

Which ligament helps prevent upward displacement of the humeral head at the shoulder joint?

Accepted Answer

Coracoacromial ligament

Question 14

A person is unable to rotate their forearm so that the palm faces upward. Which joint and movement are most likely impaired?

Accepted Answer

Proximal radioulnar joint; supination

Question 15

Which of the following bones articulates with the glenoid cavity to form the shoulder joint?

Accepted Answer

Humerus

Question 16

A patient presents with swelling in the joint cavity of the elbow. Which structure is most likely inflamed?

Accepted Answer

Synovial membrane

Question 17

Which of the following best describes the axis of movement for a pivot joint, such as the proximal radioulnar joint?

Accepted Answer

Uniaxial movement around a vertical axis

Question 18

A person is unable to perform circumduction at the shoulder. Which combination of movements is most likely impaired?

Accepted Answer

Flexion, extension, abduction, and adduction

Question 19

Which of the following is the correct order of bones from proximal to distal in the upper limb?

Accepted Answer

Humerus, radius/ulna, carpals, metacarpals, phalanges

Question 20

Which of the following best explains the role of the glenoid labrum in the shoulder joint?

Accepted Answer

It deepens the glenoid cavity to stabilize the humeral head

Appendicular Skeleton: Upper Limb and Synovial Joints – Study Notes

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