Question 1

Which of the following bones is part of the axial skeleton?

Accepted Answer

Sternum

Question 2

Which of the following is NOT a function of the skeletal system?

Accepted Answer

Hormone secretion

Question 3

Which classification does the humerus belong to?

Accepted Answer

Long bone

Question 4

Which anatomical area of a long bone contains the growth plate in children?

Accepted Answer

Metaphysis

Question 5

What is the basic structural unit of compact bone?

Accepted Answer

Osteon

Question 6

Which component is primarily responsible for the hardness of bone?

Accepted Answer

Bone salts (hydroxyapatite)

Question 7

During fetal development, most bones are formed by which process?

Accepted Answer

Endochondral ossification

Question 8

A fracture that results in the bone being shattered into multiple pieces is called:

Accepted Answer

Comminuted fracture

Question 9

Which suture separates the parietal bones from the frontal bone?

Accepted Answer

Coronal suture

Question 10

Which feature is unique to cervical vertebrae?

Accepted Answer

Transverse foramina

Question 11

Intervertebral discs are important because they:

Accepted Answer

Provide flexibility and absorb shock

Question 12

Which abnormal spinal curvature is characterized by an exaggerated thoracic curve?

Accepted Answer

Kyphosis

Question 13

Which of the following is NOT a component of the thoracic cage?

Accepted Answer

Clavicle

Question 14

A true rib differs from a false rib because a true rib:

Accepted Answer

Is attached directly to the sternum via its own costal cartilage

Question 15

Which bone is part of the pelvic girdle?

Accepted Answer

Ilium

Question 16

Which of the following is a difference between a male and female pelvis?

Accepted Answer

Female pelvis has a broader, more circular pelvic inlet

Question 17

Which joint type allows the greatest range of movement?

Accepted Answer

Synovial joint

Question 18

Fontanels in a newborn's skull serve which primary function?

Accepted Answer

Permit compression during birth and brain growth

Question 19

Which equation best represents the relationship between bone remodeling and calcium homeostasis?

Accepted Answer

$$Ca^{2+}$$_{blood} = $$Ca^{2+}$$_{released} - $$Ca^{2+}$$_{deposited}$$

Question 20

A patient presents with lateral curvature of the spine. Which condition is most likely?

Accepted Answer

Scoliosis

Skeletal System: Structure, Function, and Development

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