Question 1

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

Accepted Answer

Production of hormones for metabolism

Question 2

A patient presents with a fracture in the shaft of their femur. Which anatomical term best describes this region of a long bone?

Accepted Answer

Diaphysis

Question 3

Which bone cell type is primarily responsible for the breakdown and recycling of bone matrix?

Accepted Answer

Osteoclast

Question 4

The inorganic component of bone matrix is mainly composed of which compound, providing bone its hardness and resistance to compression?

Accepted Answer

Hydroxyapatite ($$Ca_{10}(PO_4$)_6(OH)_2)$$

Question 5

Which of the following best describes the difference between compact bone and spongy bone?

Accepted Answer

Spongy bone has a honeycomb network of trabeculae, while compact bone is dense with parallel osteons

Question 6

During endochondral ossification, which tissue is replaced by bone?

Accepted Answer

Hyaline cartilage

Question 7

A child with vitamin D deficiency is most likely to develop which bone disorder?

Accepted Answer

Rickets

Question 8

Which hormone increases blood calcium levels by stimulating osteoclast activity and decreasing calcium loss in urine?

Accepted Answer

Parathyroid hormone (PTH)

Question 9

Which structure in compact bone allows for the passage of blood vessels, lymphatic vessels, and nerve fibers?

Accepted Answer

Central (Haversian) canal

Question 10

A mutation causing bone deposition around skeletal muscles results in which rare disorder?

Accepted Answer

Fibrodysplasia ossificans progressiva (FOP)

Question 11

Which of the following equations correctly represents the relationship between bone mineral density (BMD), mass of mineral content ($$M$$), and bone volume ($$V$$)?

Accepted Answer

$$BMD = \frac{M}{V}$$

Question 12

Which bone cell type is found within lacunae and is responsible for maintaining the protein and mineral content of bone matrix?

Accepted Answer

Osteocyte

Question 13

Which of the following best explains why bones affected by osteomalacia are more likely to bend under stress?

Accepted Answer

Reduced mineralization of the bone matrix

Question 14

Which anatomical feature of a long bone is covered by articular cartilage and participates in joint formation?

Accepted Answer

Epiphysis

Question 15

Which process describes the increase in bone diameter by adding new bone to the outer surface?

Accepted Answer

Appositional growth

Question 16

A patient with excessive cartilage formation at epiphyseal plates, resulting in tall stature and long limbs, is most likely diagnosed with:

Accepted Answer

Marfan's syndrome

Question 17

Which vitamin deficiency in adults leads to osteomalacia, characterized by softening of bones?

Accepted Answer

Vitamin D

Question 18

Which of the following best describes the role of canaliculi in bone tissue?

Accepted Answer

They allow for the transport of nutrients and waste between osteocytes

Question 19

Which type of bone is most likely to be found in the patella?

Accepted Answer

Sesamoid bone

Question 20

Which of the following statements about the axial and appendicular skeleton is correct?

Accepted Answer

The axial skeleton includes the skull, thorax, and vertebral column

Osseous Tissue and Bone Structure: The Skeletal System

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