Question 1

Which bone of the pectoral girdle directly articulates with the axial skeleton, and what is its primary function?

Accepted Answer

The clavicle; it transmits forces from the upper limb to the axial skeleton.

Question 2

A patient presents with a fracture at the anatomical neck of the humerus. Which of the following best describes the anatomical neck's location?

Accepted Answer

It is the constriction immediately distal to the head of the humerus.

Question 3

Which of the following correctly matches the bone marking with its function?

Accepted Answer

Glenoid cavity: articulates with the head of the humerus.

Question 4

A football player suffers a direct blow to the lateral side of the knee, resulting in a fracture of the bone that forms the lateral malleolus. Which bone is most likely fractured?

Accepted Answer

Fibula

Question 5

Which of the following best describes the function of the coracoid process of the scapula?

Accepted Answer

It provides attachment for muscles such as the pectoralis minor and biceps brachii.

Question 6

A patient is unable to flex their forearm at the elbow after a traumatic injury. Which bone marking is most likely damaged, affecting the attachment of the biceps brachii tendon?

Accepted Answer

Radial tuberosity

Question 7

Which of the following statements about the pelvic girdle is correct?

Accepted Answer

The acetabulum is the deep socket that receives the head of the femur.

Question 8

A runner experiences pain at the point where the patellar ligament attaches. Which bone marking is involved?

Accepted Answer

Tibial tuberosity

Question 9

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

Accepted Answer

Scapula, humerus, radius/ulna, carpals, metacarpals, phalanges

Question 10

A patient has a fracture at the surgical neck of the humerus. Which nerve is most at risk of injury in this location?

Accepted Answer

Axillary nerve

Question 11

Which bone marking is found on the femur and serves as a site of muscle attachment for the gluteal muscles?

Accepted Answer

Greater trochanter

Question 12

A patient presents with a wrist drop after a mid-shaft humeral fracture. Which anatomical feature is most likely involved?

Accepted Answer

Radial groove

Question 13

Which of the following best describes the function of the acetabulum?

Accepted Answer

It is the deep socket that articulates with the head of the femur.

Question 14

A patient is diagnosed with a Colles' fracture, which involves the distal end of the radius. Which bone marking is most likely affected?

Accepted Answer

Styloid process of the radius

Question 15

Which of the following bones forms the heel of the foot and is the largest tarsal bone?

Accepted Answer

Calcaneus

Question 16

A patient is unable to abduct their arm at the shoulder. Which bone marking is most likely involved in the injury?

Accepted Answer

Deltoid tuberosity of the humerus

Question 17

Which of the following best describes the difference between the anatomical neck and the surgical neck of the humerus?

Accepted Answer

The anatomical neck is immediately distal to the head, while the surgical neck is a common fracture site below the tubercles.

Question 18

A patient presents with pain in the region of the lateral epicondyle of the humerus. Which activity is most likely to exacerbate this pain?

Accepted Answer

Extending the wrist against resistance

Question 19

Which of the following equations correctly represents the relationship between force, lever arm, and torque at the elbow joint?

Accepted Answer

$$ 	au = F 	imes r $$

Question 20

A patient has a fracture at the medial malleolus. Which bone is affected, and what is the clinical significance of this structure?

Accepted Answer

Tibia; it forms the medial bulge of the ankle and is a common site for ankle sprains.

Bones of the Pectoral Girdle, Upper Extremity, and Pelvic Girdle: Structure and Key Features

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