$\text{Bone Deposition} - \text{Bone Resorption} = \Delta \text{Bone Mass}$

Question 1

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

Accepted Answer

Production of digestive enzymes

Question 2

Which type of cartilage is most abundant in the human body and found at articular surfaces of joints?

Accepted Answer

Hyaline cartilage

Question 3

A patient presents with a fracture at the femoral neck. Which bone classification does the femur belong to?

Accepted Answer

Long bone

Question 4

Which process describes cartilage growth from within, where chondrocytes divide and secrete new matrix?

Accepted Answer

Interstitial growth

Question 5

Which cell type is responsible for bone resorption and is formed by the fusion of multiple bone marrow stem cells?

Accepted Answer

Osteoclast

Question 6

A child is diagnosed with rickets, a disease characterized by soft bones. Which nutrient deficiency is most likely responsible?

Accepted Answer

Vitamin D

Question 7

Which hormone increases blood calcium levels by stimulating osteoclast activity?

Accepted Answer

Parathyroid hormone (PTH)

Question 8

During endochondral ossification, which tissue is replaced by bone?

Accepted Answer

Hyaline cartilage

Question 9

Which bone cell type is mitotically active and serves as a stem cell for osteoblasts and osteocytes?

Accepted Answer

Osteogenic cell

Question 10

A weightlifter develops thickened bone at muscle attachment sites. Which law explains this adaptation?

Accepted Answer

Wolff's Law

Question 11

Which structure in a long bone contains yellow marrow and is lined by endosteum?

Accepted Answer

Medullary cavity

Question 12

A patient with osteoporosis is at increased risk for which type of fracture due to weakened spongy bone?

Accepted Answer

Compression fracture

Question 13

Which equation best represents the relationship between calcium homeostasis and bone remodeling?

Accepted Answer

$	ext{Bone Deposition} - 	ext{Bone Resorption} = \Delta 	ext{Bone Mass}$

Question 14

Which hormone is released by adipose tissue and may inhibit osteoblast activity, affecting bone density?

Accepted Answer

Leptin

Question 15

Which of the following best describes the role of vitamin D in bone health?

Accepted Answer

It is required for calcium absorption in the intestine

Question 16

A patient with hypercalcemia may experience which of the following symptoms?

Accepted Answer

Depression and weak muscles

Question 17

Which bone marking is most likely to be found where a tendon attaches to a bone?

Accepted Answer

Tuberosity

Question 18

Which process increases the diameter of a long bone during growth?

Accepted Answer

Appositional growth

Question 19

Which of the following is a structural difference between compact and spongy bone?

Accepted Answer

Compact bone contains osteons; spongy bone contains trabeculae

Question 20

A patient with Paget's disease has bones with a high ratio of spongy to compact bone and reduced mineralization. Which treatment is most appropriate?

Accepted Answer

Bisphosphonates and calcitonin

Chapter 6: Bone Tissue – Structure, Function, and Classification

Study Guide - Practice Questions