$$\text{Bone Mass} = \text{Initial Mass} + (\text{Calcium Deposited} - \text{Calcium Resorbed})$$

Question 1

Which bone in the hand directly articulates with the radius?

Accepted Answer

Scaphoid

Question 2

What is the primary function of osteoclasts in bone tissue?

Accepted Answer

Break down bone tissue

Question 3

During hypercalcemia, what happens to excess calcium in the body?

Accepted Answer

It is temporarily deposited in bones

Question 4

Which hormone is released by the thyroid gland to activate osteoclasts?

Accepted Answer

Parathyroid hormone

Question 5

What is appositional growth in bones?

Accepted Answer

Growth in width

Question 6

Which bone marking is a site for muscle attachment?

Accepted Answer

Tuberosity

Question 7

What is the difference between a closed and an open fracture?

Accepted Answer

Open fractures break through the skin

Question 8

Which bone articulates with every other facial bone except the mandible?

Accepted Answer

Maxilla

Question 9

What is the function of the intervertebral discs?

Accepted Answer

Provide flexibility and absorb shock

Question 10

Which vertebra allows the head to nod 'yes'?

Accepted Answer

Atlas

Question 11

What is the definition of reduction in bone fractures?

Accepted Answer

The realignment of broken bone ends

Question 12

Which disease results from a lack of vitamin D and causes bone deformities in children?

Accepted Answer

Rickets

Question 13

What is the hallmark of the first stage in bone fracture healing?

Accepted Answer

Formation of a hematoma

Question 14

Which bone is unique because it does not articulate with any other bone?

Accepted Answer

Hyoid

Question 15

How many vertebrae are typically found in the lumbar region?

Accepted Answer

5

Question 16

What is the main difference between thoracic and lumbar vertebrae?

Accepted Answer

Thoracic vertebrae have costal facets for rib attachment

Question 17

Which type of joint allows the greatest range of movement?

Accepted Answer

Ball-and-socket joint

Question 18

Fontanels in the infant skull usually ossify by what age?

Accepted Answer

2 years

Question 19

Which equation best represents the relationship between bone mass and calcium levels?

Accepted Answer

$$	ext{Bone Mass} = 	ext{Initial Mass} + (	ext{Calcium Deposited} - 	ext{Calcium Resorbed})$$

Question 20

A patient is bedridden for several months. Which process explains their loss of bone mass?

Accepted Answer

Decreased mechanical stress leading to increased osteoclast activity

Chapter 5: The Skeletal System – Structure and Function of the Upper Limb Bones

Study Guide - Practice Questions