Question 1

Which of the following best describes the difference between the axial and appendicular skeletons?

Accepted Answer

The axial skeleton forms the central axis of the body, including the skull, vertebral column, and thoracic cage, while the appendicular skeleton includes the limbs and girdles.

Question 2

Which bone is NOT part of the axial skeleton?

Accepted Answer

Femur

Question 3

A patient presents with difficulty breathing due to abnormal lateral curvature of the spine. Which condition is most likely responsible?

Accepted Answer

Scoliosis

Question 4

Which of the following bones is classified as a sesamoid bone and protects the knee joint?

Accepted Answer

Patella

Question 5

The vertebral column is composed of 26 bones. Which region contains the greatest number of vertebrae?

Accepted Answer

Thoracic

Question 6

Which structure acts as a shock absorber between vertebrae and is composed of a gelatinous nucleus pulposus and an outer anulus fibrosus?

Accepted Answer

Intervertebral disc

Question 7

During CPR, why is it important to avoid placing hands over the xiphoid process of the sternum?

Accepted Answer

It can fracture and puncture underlying organs such as the liver or heart, causing severe hemorrhage.

Question 8

Which of the following is a function of the cranium?

Accepted Answer

Provides attachment sites for head and neck muscles

Question 9

A patient suffers a herniated disc after lifting a heavy object. What is the most likely anatomical event?

Accepted Answer

Rupture of the anulus fibrosus with protrusion of the nucleus pulposus

Question 10

Which bone does NOT articulate directly with any other bone and serves as an attachment site for muscles of swallowing and speech?

Accepted Answer

Hyoid bone

Question 11

Which formula correctly represents the total number of phalanges in a human hand?

Accepted Answer

$$2 + (4 	imes 3) = 14$$

Question 12

Which landmark is commonly used for intramuscular (IM) injections in the hip region?

Accepted Answer

Anterior superior iliac spine

Question 13

Which of the following statements about the female pelvis is correct?

Accepted Answer

It is wider, lighter, and rounder than the male pelvis, adapted for childbearing.

Question 14

Which bone forms the posterior wall of the pelvis and is composed of five fused vertebrae?

Accepted Answer

Sacrum

Question 15

A patient complains of tingling and numbness in the hand after repetitive wrist movements. Which anatomical structure is most likely compressed?

Accepted Answer

Median nerve

Question 16

Which of the following bones is the largest and strongest in the human body?

Accepted Answer

Femur

Question 17

Which formula best represents the number of bones in the adult vertebral column?

Accepted Answer

$$7 + 12 + 5 + 1 + 1 = 26$$

Question 18

Which bone forms the socket for the head of the femur in the hip joint?

Accepted Answer

Acetabulum

Question 19

Which of the following is a function of the thoracic cage?

Accepted Answer

Protects vital organs of the thoracic cavity and provides attachment sites for muscles of the chest and shoulders.

Question 20

Which of the following correctly describes the articulation of the radius and ulna?

Accepted Answer

They are connected by an interosseous membrane and articulate proximally and distally.

Chapter 7: The Skeleton – Structure and Function of the Human Skeletal System

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