Question 1

Which of the following correctly lists the parts of a long bone from the outside inwards?

Accepted Answer

Periosteum, diaphysis, endosteum, medullary cavity, epiphysis

Question 2

Which type of bone is classified as irregular, and which is an example?

Accepted Answer

Vertebrae; irregular bone

Question 3

Which of the following best describes the composition of bone matrix?

Accepted Answer

Organic: collagen fibers; Inorganic: hydroxyapatite

Question 4

A patient presents with a fracture that only occurs in children due to the flexibility of their bones. What type of fracture is this?

Accepted Answer

Greenstick fracture

Question 5

Which hormone increases blood calcium levels by stimulating osteoclast activity?

Accepted Answer

Parathyroid hormone (PTH)

Question 6

During bone remodeling, what is the relationship between blood calcium levels and bone calcium levels?

Accepted Answer

When blood calcium decreases, bone calcium is mobilized to increase blood calcium

Question 7

Which of the following is a function of the skeletal system?

Accepted Answer

Protection of internal organs

Question 8

What is the difference between red and yellow bone marrow?

Accepted Answer

Red marrow produces blood cells; yellow marrow stores fat

Question 9

Which of the following best describes the process of intramembranous ossification?

Accepted Answer

Bone forms directly from mesenchymal tissue

Question 10

Which bones are formed by endochondral ossification?

Accepted Answer

Long bones such as the femur and humerus

Question 11

A patient has osteoporosis. Which of the following best describes this condition?

Accepted Answer

Decreased bone mass and increased risk of fractures

Question 12

Which of the following is NOT a projection or depression found on bones?

Accepted Answer

Epiphysis

Question 13

Which of the following is the correct order of the four steps of the fracture healing process?

Accepted Answer

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

Question 14

Which type of joint allows for the greatest range of motion?

Accepted Answer

Synovial joint

Question 15

Which movement is described as moving a limb away from the midline of the body?

Accepted Answer

Abduction

Question 16

Which of the following is a synovial joint accessory structure that stabilizes the knee?

Accepted Answer

Anterior cruciate ligament

Question 17

Which binding material is found in a syndesmosis joint?

Accepted Answer

Dense regular connective tissue (ligament)

Question 18

Which of the following equations correctly represents the relationship between blood calcium and bone calcium during homeostasis?

Accepted Answer

$Ca^{2+}_{blood} \uparrow \Rightarrow Ca^{2+}_{bone} \downarrow$

Question 19

Which of the following best describes Wolff's Law?

Accepted Answer

Bone grows in response to mechanical stress placed upon it

Question 20

Which of the following is a function of osteon in compact bone?

Accepted Answer

Serves as the basic structural unit for strength and nutrient delivery

Skeletal System and Articulations: Study Guide for Anatomy & Physiology

Study Guide - Practice Questions