Question 1

Which of the following statements best describes the function of the clavicle in the pectoral girdle?

Accepted Answer

It acts as a brace to hold the arms laterally and transmits compression forces from the upper limb to the axial skeleton.

Question 2

Which bone marking on the humerus serves as the site for deltoid muscle attachment?

Accepted Answer

Deltoid tuberosity

Question 3

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

Accepted Answer

Radial nerve

Question 4

Which of the following carpal bones is most commonly fractured when a person falls on an outstretched hand?

Accepted Answer

Scaphoid

Question 5

Which feature distinguishes the female pelvis from the male pelvis?

Accepted Answer

A wider, shallower, and lighter structure adapted for childbirth

Question 6

The acetabulum is formed by the fusion of which three bones?

Accepted Answer

Ilium, ischium, and pubis

Question 7

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

Accepted Answer

It provides a site for muscle attachment and stabilizes the two bones during forearm movement.

Question 8

A patient cannot extend their elbow after a traumatic injury. Which bone marking is most likely involved in preventing this movement?

Accepted Answer

Olecranon process of the ulna

Question 9

Which tarsal bone primarily transmits the weight of the body from the tibia to the foot?

Accepted Answer

Talus

Question 10

Which of the following is true regarding the arches of the foot?

Accepted Answer

They allow the foot to bear weight and are maintained by interlocking bones, ligaments, and tendons.

Question 11

Which bone is NOT part of the pectoral girdle?

Accepted Answer

Sternum

Question 12

A fracture to which part of the femur is most likely to compromise blood supply to the head of the femur, leading to avascular necrosis?

Accepted Answer

Neck of the femur

Question 13

Which of the following statements about the fibula is correct?

Accepted Answer

It provides lateral stability to the ankle.

Question 14

Which of the following bones forms the lateral malleolus of the ankle?

Accepted Answer

Fibula

Question 15

A patient presents with pain in the ischial tuberosity after prolonged sitting. What is the primary function of this bone marking?

Accepted Answer

Attachment for the hamstring muscles and weight bearing when sitting

Question 16

Which of the following best describes the difference between the true pelvis and the false pelvis?

Accepted Answer

The false pelvis is part of the abdominal cavity, while the true pelvis forms the birth canal.

Question 17

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 18

Which bone marking on the scapula articulates with the clavicle?

Accepted Answer

Acromion

Question 19

Which of the following statements about the patella is correct?

Accepted Answer

It is a sesamoid bone embedded in the quadriceps tendon.

Question 20

Which of the following bones does NOT contribute to the formation of the wrist joint?

Accepted Answer

Pisiform

The Appendicular Skeleton: Structure and Function

Study Guide - Practice Questions