Question 1

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

Accepted Answer

Production of hormones

Question 2

A patient presents with a fracture that heals much faster than expected for an adult. Which factor most likely contributed to this rapid healing?

Accepted Answer

High levels of growth hormone stimulating osteoblast activity

Question 3

Which hormone is responsible for increasing blood calcium levels by stimulating bone resorption?

Accepted Answer

Parathyroid hormone (PTH)

Question 4

What type of specialized connective tissue attaches bone to bone?

Accepted Answer

Ligament

Question 5

Which type of cartilage is found in intervertebral disks and knee joints?

Accepted Answer

Fibrocartilage

Question 6

A patient with osteoporosis is most likely experiencing an imbalance in which two cell types?

Accepted Answer

Osteoclasts and osteoblasts

Question 7

Which of the following bones is classified as a flat bone?

Accepted Answer

Cranial bone

Question 8

Which equation best represents the relationship between bone mass ($M$), osteoblast activity ($B$), and osteoclast activity ($C$) over time?

Accepted Answer

$M = B - C$

Question 9

Which part of the skeleton includes the skull, vertebral column, and ribs?

Accepted Answer

Axial skeleton

Question 10

A patient suffers a sprain in the ankle. What tissue is most likely damaged?

Accepted Answer

Ligament

Question 11

Which joint type allows the greatest degree of movement?

Accepted Answer

Synovial joint

Question 12

Which of the following is a function of osteoclasts?

Accepted Answer

Bone resorption

Question 13

Which equation describes the effect of calcitonin ($Ca$) on bone calcium ($[Ca^{2+}]_{bone}$)?

Accepted Answer

$[Ca^{2+}]_{bone} = [Ca^{2+}]_{bone} + Ca$

Question 14

Which disease is characterized by joint inflammation due to an autoimmune response?

Accepted Answer

Rheumatoid arthritis

Question 15

Which bone type is the femur classified as?

Accepted Answer

Long bone

Question 16

Which structure cushions vertebrae and assists in movement and flexibility?

Accepted Answer

Intervertebral disks

Question 17

A patient with excessive wear of joint cartilage and genetic predisposition is most likely suffering from which condition?

Accepted Answer

Osteoarthritis

Question 18

Which of the following is stored in bone and released when needed for physiological processes?

Accepted Answer

Calcium

Question 19

Which process is responsible for the formation of bone from cartilage during development?

Accepted Answer

Ossification

Question 20

Which equation best represents the effect of exercise ($E$) and diet ($D$) on bone strength ($S$)?

Accepted Answer

$S = f(E, D)$

The Skeletal System: Structure, Composition, and Functions

Study Guide - Practice Questions