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

$$\text{Bone Mass} = \text{Calcium Intake} - \text{Calcium Loss}$$

Question 1

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

Accepted Answer

Production of hormones

Question 2

Which bone is classified as a flat bone?

Accepted Answer

Parietal bone

Question 3

The diaphysis of a long bone primarily contains which of the following?

Accepted Answer

Compact bone and yellow marrow

Question 4

Which cell type is responsible for bone resorption?

Accepted Answer

Osteoclasts

Question 5

The main organic component of osteoid is:

Accepted Answer

Collagen fibers

Question 6

Appositional bone growth results in:

Accepted Answer

Increase in bone width

Question 7

Which hormone increases blood calcium levels by stimulating osteoclast activity?

Accepted Answer

Parathyroid hormone (PTH)

Question 8

A mutation in which gene causes achondroplasia, resulting in dwarfism?

Accepted Answer

FGFR3

Question 9

Which three organs/processes regulate blood calcium levels?

Accepted Answer

Bones, kidneys, intestines

Question 10

During endochondral ossification, which step occurs first?

Accepted Answer

Development of a cartilage model

Question 11

Which bone structure is defined as a round articular surface?

Accepted Answer

Condyle

Question 12

Which vertebra articulates directly with the skull?

Accepted Answer

Atlas (C1)

Question 13

Which bones form the pelvic girdle?

Accepted Answer

Ilium, ischium, pubis

Question 14

Which bone feature distinguishes a female pelvis from a male pelvis?

Accepted Answer

Wide pelvic inlet

Question 15

Which bone of the lower leg articulates with the talus of the foot?

Accepted Answer

Tibia

Question 16

Which of the following is a function of the rib cage?

Accepted Answer

Protection of the heart and lungs

Question 17

Which fracture type is characterized by the bone breaking into multiple fragments?

Accepted Answer

Comminuted fracture

Question 18

A patient with osteoporosis is at increased risk for which of the following?

Accepted Answer

Bone fractures

Question 19

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

Accepted Answer

$$	ext{Bone Mass} = 	ext{Calcium Intake} - 	ext{Calcium Loss}$$

Question 20

If a patient has a blood calcium level of $$8.0\ 	ext{mg/dL} ($$below normal), which hormone will be secreted to restore homeostasis, and what effect will it have on the kidneys?

Accepted Answer

Parathyroid hormone; increases calcium reabsorption

Anatomy & Physiology I: Bones and Skeletal System Study Guide (Ch. 6-8)

Guida di studio - Domande di pratica

Study guide - Flashcard