Question 1

Which of the following best describes the functional role of the interosseous membrane between the radius and ulna?

Accepted Answer

It provides a surface for muscle attachment and helps transmit forces from the hand to the upper arm.

Question 2

A patient presents with difficulty supinating and pronating their forearm. Which joint is most likely affected?

Accepted Answer

Proximal radioulnar joint

Question 3

Which of the following correctly matches the carpal bone with its etymological meaning?

Accepted Answer

Scaphoid – boat shaped

Question 4

The glenohumeral joint is classified as which type of synovial joint?

Accepted Answer

Ball and socket

Question 5

Which movement is NOT possible at the elbow joint?

Accepted Answer

Abduction

Question 6

A fracture to which bone would most likely impair the stability of the pectoral girdle due to its only bony connection to the axial skeleton?

Accepted Answer

Clavicle

Question 7

Which ligament completes the 'bony roof' over the glenohumeral joint and helps prevent superior displacement of the humeral head?

Accepted Answer

Coracoacromial ligament

Question 8

During a fall on an outstretched hand, which carpal bone is most commonly fractured?

Accepted Answer

Scaphoid

Question 9

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

Accepted Answer

The glenoid cavity is shallow and the joint capsule is relatively loose.

Question 10

Which movement at the scapulothoracic 'joint' is always combined with abduction?

Accepted Answer

Protraction

Question 11

A patient is unable to flex their wrist. Which of the following structures is most likely damaged?

Accepted Answer

Flexor retinaculum

Question 12

Which of the following is a correct classification for the sternoclavicular joint?

Accepted Answer

Synovial – modified gliding (with some ball & socket/saddle properties)

Question 13

Which feature of the humerus serves as the site of attachment for the deltoid muscle?

Accepted Answer

Deltoid tuberosity

Question 14

Which of the following best describes the movement that occurs at the proximal radioulnar joint?

Accepted Answer

Rotation of the radius around the ulna (supination and pronation)

Question 15

Which of the following is NOT a function of the flexor retinaculum?

Accepted Answer

Permitting free movement of tendons away from the wrist

Question 16

A patient has lost the ability to perform abduction at the shoulder joint. Which joint is most likely affected?

Accepted Answer

Glenohumeral joint

Question 17

Which of the following statements about the scapulothoracic joint is correct?

Accepted Answer

It is not a true anatomical joint but a functional (muscular) joint.

Question 18

Which of the following best describes the articulation between the humerus and ulna at the elbow joint?

Accepted Answer

Synovial – hinge joint

Question 19

Which of the following carpal bones articulates directly with the radius at the wrist joint?

Accepted Answer

Scaphoid and lunate

Question 20

A patient presents with a loss of wrist extension and weakness in finger extension. Which bony landmark is most likely involved in a fracture?

Accepted Answer

Lateral epicondyle of the humerus

Osteology & Arthrology of the Pectoral Girdle and Upper Limb

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