Question 1

Which of the following features allows the pectoral girdle to have a greater degree of mobility compared to the pelvic girdle?

Accepted Answer

The scapulae are not attached to the axial skeleton and the shoulder joint socket is shallow.

Question 2

A patient presents with numbness and tingling in the thumb and first three fingers after repetitive wrist movements. Which anatomical structure is most likely compressed?

Accepted Answer

Median nerve

Question 3

Which bone feature of the humerus is most commonly fractured and why is this clinically significant?

Accepted Answer

Surgical neck; it is a common site for fractures that may damage the axillary nerve

Question 4

Which of the following correctly matches the bone with its function in the lower limb?

Accepted Answer

Femur – articulates proximally with the acetabulum and distally with the tibia and patella

Question 5

A child is diagnosed with a cleft palate. Which of the following best describes the anatomical defect?

Accepted Answer

Failure of the right and left halves of the palate to fuse medially

Question 6

Which of the following bones does NOT articulate with the humerus at the elbow joint?

Accepted Answer

Scapula

Question 7

Which carpal bones articulate directly with the radius to form the wrist joint?

Accepted Answer

Scaphoid and lunate

Question 8

A runner develops pain and swelling at the distal end of the fibula after twisting her ankle. Which injury is most likely?

Accepted Answer

Pott's fracture

Question 9

Which anatomical feature is used to distinguish a female pelvis from a male pelvis?

Accepted Answer

Wider, rounder pelvic inlet and broader pubic arch

Question 10

Which of the following statements about the arches of the foot is correct?

Accepted Answer

The arches are maintained by interlocking bones, ligaments, and tendons.

Question 11

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

Accepted Answer

It is the deep socket that receives the head of the femur.

Question 12

A patient with a fractured deltoid tuberosity would most likely have difficulty with which movement?

Accepted Answer

Abducting the arm

Question 13

Which of the following is true regarding the development of spinal curvatures in infants?

Accepted Answer

Thoracic and sacral curvatures are primary and present at birth.

Question 14

Which bone feature serves as the attachment site for the biceps muscle of the arm?

Accepted Answer

Coracoid process of the scapula

Question 15

Which of the following best explains why the lower limb bones are thicker and stronger than those of the upper limb?

Accepted Answer

They support the weight of the entire body and withstand greater forces during activities like running and jumping.

Question 16

Which of the following is a correct description of the interosseous membrane?

Accepted Answer

It connects the radius and ulna along their entire length.

Question 17

A newborn's skull contains fontanelles. What is the primary function of these structures?

Accepted Answer

To allow for brain growth and ease passage through the birth canal

Question 18

Which of the following is NOT a function of the pelvic girdle?

Accepted Answer

Attaching the upper limbs to the axial skeleton

Question 19

Which tarsal bone forms the heel and bears most of the body's weight during standing?

Accepted Answer

Calcaneus

Question 20

A patient with a fracture at the glenoid cavity would have difficulty with which joint movement?

Accepted Answer

Movement of the shoulder joint

The Appendicular Skeleton: Structure, Function, and Development

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