Question 1

Which of the following bones is classified as a long bone?

Accepted Answer

Femur

Question 2

A patient suffers a fracture in the shaft of their humerus. Which part of the bone is most likely affected?

Accepted Answer

Diaphysis

Question 3

Which structure allows blood vessels and nerves to travel from the periosteum into the compact bone?

Accepted Answer

Perforating canal (Volkmann’s canal)

Question 4

Which of the following best describes the function of canaliculi in compact bone?

Accepted Answer

They connect osteocytes and allow for nutrient and waste exchange.

Question 5

A histological slide shows concentric rings of bone matrix surrounding a central canal. What is this structure called?

Accepted Answer

Osteon (Haversian system)

Question 6

Which of the following bones is an example of a sesamoid bone?

Accepted Answer

Patella

Question 7

Which type of bone tissue is organized into trabeculae and is found primarily at the ends of long bones?

Accepted Answer

Spongy bone

Question 8

A patient with osteoporosis is at increased risk for fractures in which type of bone due to its high content of trabeculae?

Accepted Answer

Spongy bone

Question 9

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

Accepted Answer

Hormone synthesis

Question 10

Which bone structure contains osteocytes housed in lacunae and is responsible for the maintenance of bone tissue?

Accepted Answer

Osteon

Question 11

A cross-section of a long bone reveals a hollow cavity in the diaphysis. What is this cavity called and what does it typically contain in adults?

Accepted Answer

Medullary cavity; yellow marrow

Question 12

Which of the following best describes the periosteum?

Accepted Answer

A dense connective tissue covering the outer surface of bone

Question 13

Which of the following equations correctly represents the relationship between bone mass, mineral content, and density?

Accepted Answer

$$Density = \frac{Mass}{Volume}$$

Question 14

Which of the following is a distinguishing feature of flat bones compared to long bones?

Accepted Answer

Thin, parallel surfaces of compact bone with spongy bone in between

Question 15

A patient presents with a bone tumor located in the vertebrae. Which bone classification does this tumor affect?

Accepted Answer

Irregular bone

Question 16

Which of the following statements about osteocytes is correct?

Accepted Answer

They reside in lacunae and maintain the bone matrix.

Question 17

Which structure is responsible for connecting adjacent osteocytes in compact bone, allowing for communication and nutrient exchange?

Accepted Answer

Canaliculi

Question 18

Which of the following best describes the arrangement of lamellae in an osteon?

Accepted Answer

Concentric rings around a central canal

Question 19

Which of the following is a function of the trabeculae in spongy bone?

Accepted Answer

Reducing bone weight while maintaining strength

Question 20

A forensic scientist finds a bone with a hollow shaft, rounded ends, and a medullary cavity. Which type of bone is this most likely to be?

Accepted Answer

Long bone

Osseous Tissue: Structure, Classification, and Histology

Study Guide - Practice Questions