Question 1

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

Accepted Answer

Regulating blood glucose levels

Question 2

A child’s bone marrow is primarily red, while an adult’s is mostly yellow. What does this change indicate about the skeletal system’s function?

Accepted Answer

A shift from hematopoiesis to energy storage

Question 3

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

Accepted Answer

Vertebra

Question 4

The sternum is classified as which type of bone?

Accepted Answer

Flat bone

Question 5

Which joint type allows the greatest flexibility and range of motion?

Accepted Answer

Synovial joint

Question 6

Why is the skull considered part of the axial skeleton?

Accepted Answer

It protects vital organs such as the brain

Question 7

Which of the following best describes the function of bone marrow in adults?

Accepted Answer

Storage of fat for energy

Question 8

A patient suffers a fracture in the femur. Which bone type classification does the femur belong to?

Accepted Answer

Long bone

Question 9

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

Accepted Answer

Clavicle

Question 10

What is the total number of bones in the adult human body?

Accepted Answer

$$ 206 $$

Question 11

Which function of the skeletal system is most directly related to the process of hematopoiesis?

Accepted Answer

Producing blood cells in bone marrow

Question 12

A patient with osteoporosis is at increased risk for fractures. Which skeletal system function is most compromised in this condition?

Accepted Answer

Support and posture

Question 13

Which of the following best explains why understanding bone classification is important in diagnosing fractures?

Accepted Answer

It allows prediction of healing time and treatment strategies

Question 14

Which of the following is an example of an irregular bone?

Accepted Answer

Vertebra

Question 15

Which bone type is most likely to be involved in protecting vital organs?

Accepted Answer

Flat bones

Question 16

A football player suffers a shoulder injury involving the scapula. To which skeleton does the scapula belong?

Accepted Answer

Appendicular skeleton

Question 17

Which of the following joints is classified as cartilaginous?

Accepted Answer

Intervertebral disc joint

Question 18

Which equation best represents the number of bones in the adult human body?

Accepted Answer

$$ N_{bones} = 206 $$

Question 19

A patient presents with limited joint movement and pain. Which joint type is most likely affected?

Accepted Answer

Fibrous joint

Question 20

Which of the following best describes the relationship between bone type and movement?

Accepted Answer

Long bones act as levers to facilitate movement

The Skeletal System: Structure, Functions, and Classification

Study Guide - Practice Questions