Question 1

Which bone of the upper limb directly articulates with the glenoid cavity of the scapula to form the shoulder joint?

Accepted Answer

Humerus

Question 2

A patient presents with a fracture at the surgical neck of the humerus. Which anatomical structure is most at risk of injury due to its proximity?

Accepted Answer

Axillary nerve

Question 3

Which process of the ulna forms the bony prominence of the elbow and serves as the insertion for the triceps brachii muscle?

Accepted Answer

Olecranon process

Question 4

The capitulum of the humerus articulates with which bone at the elbow joint?

Accepted Answer

Radius

Question 5

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

Accepted Answer

It stabilizes the two bones and provides attachment for muscles.

Question 6

A baseball pitcher suffers a dislocation at the proximal radioulnar joint. Which movement of the forearm will be most affected?

Accepted Answer

Pronation and supination

Question 7

Which anatomical feature of the scapula serves as the attachment site for the biceps brachii muscle?

Accepted Answer

Coracoid process

Question 8

If the lateral epicondyle of the humerus is fractured, which group of muscles is most likely to be affected?

Accepted Answer

Extensors of the forearm

Question 9

Which bone forms the lateral border of the forearm and is most commonly fractured when someone falls on an outstretched hand?

Accepted Answer

Radius

Question 10

The sternal (medial) end of the clavicle articulates with which structure?

Accepted Answer

Manubrium of the sternum

Question 11

Which of the following correctly matches the bone and its associated anatomical feature?

Accepted Answer

Ulna – Trochlear notch

Question 12

A patient has difficulty abducting their arm at the shoulder joint. Which anatomical structure is most likely injured?

Accepted Answer

Acromion of the scapula

Question 13

Which joint is formed by the articulation of the head of the radius and the radial notch of the ulna?

Accepted Answer

Proximal radioulnar joint

Question 14

During a fall, a person lands on their hand and fractures the metacarpal bones. Which region of the upper limb is affected?

Accepted Answer

Hand

Question 15

Which anatomical feature is found on the posterior aspect of the scapula and serves as a landmark for muscle attachment?

Accepted Answer

Spine

Question 16

If a patient cannot flex their forearm at the elbow, which fossa of the humerus is most likely involved in the injury?

Accepted Answer

Coronoid fossa

Question 17

Which of the following equations correctly represents the relationship between force ($$F$$), lever arm ($$r$$), and torque ($$	au) at $$the elbow joint during flexion?

Accepted Answer

$$	au = F 	imes r$$

Question 18

A patient presents with pain at the radial tuberosity. Which movement is most likely to be affected?

Accepted Answer

Flexion of the forearm

Question 19

Which anatomical feature of the humerus is located between the greater and lesser tubercles and serves as a passage for the tendon of the long head of the biceps brachii?

Accepted Answer

Intertubercular sulcus (groove)

Question 20

A patient suffers a direct blow to the acromion. Which joint is most likely to be affected?

Accepted Answer

Acromioclavicular joint

Anatomy of the Upper Limb: Bones and Joints

Guida di studio - Domande di pratica

Study guide - Flashcard