Question 1

Which of the following is NOT a function of bones in the human body?

Accepted Answer

Regulation of blood glucose levels

Question 2

A patient presents with low blood calcium levels. Which hormone is primarily responsible for increasing blood calcium by stimulating osteoclast activity?

Accepted Answer

Parathyroid hormone (PTH)

Question 3

Which type of bone cell is responsible for bone resorption?

Accepted Answer

Osteoclast

Question 4

During endochondral ossification, which structure forms first in the developing long bone?

Accepted Answer

Primary ossification center

Question 5

Which equation best represents the relationship between bone mass ($M$), bone formation rate ($F$), and bone resorption rate ($R$) over time?

Accepted Answer

$M = F - R$

Question 6

A 70-year-old woman is diagnosed with osteoporosis. Which of the following best describes the microscopic changes in her bone tissue?

Accepted Answer

Decreased bone mass and increased porosity

Question 7

Which bone marking is most likely to serve as a site for muscle attachment?

Accepted Answer

Tuberosity

Question 8

Which process allows bones to increase in thickness during growth?

Accepted Answer

Appositional growth

Question 9

A child with vitamin D deficiency presents with bowed legs. Which bone disorder is most likely?

Accepted Answer

Rickets

Question 10

Which of the following best explains Wolff's Law?

Accepted Answer

Bones grow or remodel in response to the demands placed on them

Question 11

Which type of bone is classified as 'flat' based on its shape?

Accepted Answer

Scapula

Question 12

Which of the following is TRUE regarding red marrow in adults?

Accepted Answer

It is most active in flat bones and some irregular bones

Question 13

A patient suffers a bone fracture. What is the correct sequence of healing stages?

Accepted Answer

Hematoma formation, fibrocartilaginous callus formation, bony callus formation, bone remodeling

Question 14

Which of the following statements about bone remodeling is correct?

Accepted Answer

Bone remodeling is a continuous process throughout life

Question 15

Which bone cell type is derived from osteogenic cells and is responsible for bone formation?

Accepted Answer

Osteoblast

Question 16

A patient with hypercalcemia is at risk for which of the following complications?

Accepted Answer

Formation of kidney stones due to calcium salt deposits

Question 17

Which equation describes the effect of parathyroid hormone (PTH) on blood calcium concentration ($[Ca^{2+}]$)?

Accepted Answer

$[Ca^{2+}]_{final} = [Ca^{2+}]_{initial} + PTH$

Question 18

Which of the following bones is formed primarily by intramembranous ossification?

Accepted Answer

Skull bones

Question 19

Which of the following best describes Paget's disease?

Accepted Answer

Excessive and haphazard bone deposit and resorption

Question 20

Which of the following statements about age-related changes in bone is correct?

Accepted Answer

Bone mass, mineralization, and healing ability decrease with age beginning in the fourth decade

Bones and Skeletal Tissues: Structure, Function, and Development

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