Q: Which of the following is the correct formula for calculating bone density?

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

Question 1

Which of the following best describes the difference between appositional and interstitial bone growth?

Accepted Answer

Appositional growth increases bone width by adding layers to the surface, while interstitial growth increases bone length by expanding cartilage within the bone.

Question 2

Which hormone is most responsible for stimulating epiphyseal plate activity during childhood and adolescence?

Accepted Answer

Growth hormone

Question 3

A patient presents with a fracture that has occurred in the diaphysis of the femur. Which part of the bone is affected?

Accepted Answer

The shaft or long central region of the bone

Question 4

Which of the following is a function of the periosteum?

Accepted Answer

It serves as an attachment point for tendons and ligaments.

Question 5

Which equation best represents the relationship described by Wolff's Law regarding bone adaptation to mechanical stress?

Accepted Answer

$\Delta B = k 	imes S$

Question 6

Which type of bone marrow is primarily responsible for hematopoiesis in adults?

Accepted Answer

Red bone marrow

Question 7

A 25-year-old athlete experiences increased bone density in response to weight-bearing exercise. Which physiological principle explains this adaptation?

Accepted Answer

Wolff's Law

Question 8

Which of the following bones is NOT part of the axial skeleton?

Accepted Answer

Femur

Question 9

Which joint type allows the greatest range of motion in the human body?

Accepted Answer

Ball-and-socket joint

Question 10

Which ligament is most important for stabilizing the knee and preventing anterior displacement of the tibia?

Accepted Answer

Anterior cruciate ligament (ACL)

Question 11

Which bone marking serves as a site for muscle attachment and is commonly found on the humerus?

Accepted Answer

Tuberosity

Question 12

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

Accepted Answer

It provides strength and support for weight-bearing.

Question 13

Which cranial bone is NOT paired?

Accepted Answer

Occipital bone

Question 14

Which of the following is the correct formula for calculating bone density?

Accepted Answer

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

Question 15

Which bone in the lower extremity is the primary weight-bearing bone?

Accepted Answer

Tibia

Question 16

Which of the following best describes endochondral ossification?

Accepted Answer

Bone replaces a pre-existing cartilage model.

Question 17

Which structure is responsible for connecting bones together to form the pelvis?

Accepted Answer

Pubic symphysis

Question 18

Which of the following is a function of the axial skeleton?

Accepted Answer

Protects vital organs such as the brain, heart, and lungs

Question 19

Which bone marking is a depression that often serves as an articular surface?

Accepted Answer

Fossa

Question 20

Which of the following statements about the epiphyseal plate is correct?

Accepted Answer

It is a layer of hyaline cartilage where bone lengthening occurs during growth.

Skeletal System: Bone Growth, Structure, and Joints Study Guide

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