Question 1

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

Accepted Answer

The axial skeleton includes the skull, vertebral column, and thoracic cage, while the appendicular skeleton includes the limbs and their girdles.

Question 2

A patient presents with difficulty nodding their head 'yes.' Which bone is most likely affected?

Accepted Answer

Atlas (C1)

Question 3

Which of the following bones does NOT contribute to the formation of the orbit?

Accepted Answer

Parietal bone

Question 4

A herniated disc is most likely to occur in which region of the vertebral column, and what is the primary structure involved?

Accepted Answer

Lumbar region; nucleus pulposus of the intervertebral disc

Question 5

Which equation correctly represents the total number of bones in the adult vertebral column?

Accepted Answer

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

Question 6

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

Accepted Answer

Protects the heart and lungs

Question 7

A patient suffers a fracture to the xiphoid process during CPR. Which organ is most at risk for injury?

Accepted Answer

Liver

Question 8

Which of the following statements about the hyoid bone is correct?

Accepted Answer

It is the only bone in the body that does not directly articulate with another bone.

Question 9

Which bones form the pectoral girdle?

Accepted Answer

Clavicle and scapula

Question 10

A patient presents with abnormal lateral curvature of the spine. What is the medical term for this condition?

Accepted Answer

Scoliosis

Question 11

Which of the following bones is NOT part of the cranium?

Accepted Answer

Mandible

Question 12

Which equation best represents the number of phalanges in the human hand?

Accepted Answer

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

Question 13

Which bone forms the socket for the head of the femur in the pelvic girdle?

Accepted Answer

Acetabulum

Question 14

Which of the following is true regarding the difference between male and female pelvises?

Accepted Answer

The female pelvis is wider, lighter, and more adapted for childbearing.

Question 15

Which bone is the largest and strongest in the human body?

Accepted Answer

Femur

Question 16

Which of the following best explains why the shoulder joint is highly mobile?

Accepted Answer

The pectoral girdle is not attached to the axial skeleton and the shoulder joint is shallow.

Question 17

Which equation represents the number of bones in the adult human skull?

Accepted Answer

$$8 + 14 = 22$$

Question 18

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

Accepted Answer

Greater trochanter of the femur

Question 19

Which of the following bones does NOT articulate with the femur?

Accepted Answer

Fibula

Question 20

A patient presents with tingling and numbness in the hand due to compression of the median nerve. Which anatomical structure is most likely involved?

Accepted Answer

Carpal tunnel

The Skeletal System: Structure, Divisions, and Major Bones (Chapter 7 Study Guide)

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