Question 1

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

Accepted Answer

Production of digestive enzymes

Question 2

A patient presents with a fracture in the shaft of their femur. Which anatomical term best describes this region of the bone?

Accepted Answer

Diaphysis

Question 3

Which bone type is characterized by being small, flat, and developing inside tendons, such as the patella?

Accepted Answer

Sesamoid bone

Question 4

If osteoclast activity exceeds osteoblast activity in a bone, what is the likely result?

Accepted Answer

The bone will become weaker and may lose mass

Question 5

Which of the following surface markings is defined as a small, rounded projection?

Accepted Answer

Tubercle

Question 6

Which process describes the replacement of hyaline cartilage with bone during fetal development?

Accepted Answer

Endochondral ossification

Question 7

A long bone is growing in diameter. Which process is responsible for this growth?

Accepted Answer

Appositional growth

Question 8

Which hormone increases blood calcium levels by stimulating osteoclast activity?

Accepted Answer

Parathyroid hormone (PTH)

Question 9

A child is diagnosed with Marfan’s syndrome. Which of the following symptoms would you expect?

Accepted Answer

Excessive cartilage formation at epiphyseal plates

Question 10

Which of the following best describes the composition of bone matrix?

Accepted Answer

33% organic, 67% inorganic

Question 11

Which of the following is a correct sequence of events in fracture repair?

Accepted Answer

Fracture hematoma → Callus formation → Spongy bone formation → Compact bone formation

Question 12

Which of the following bone cells is responsible for producing new bone matrix?

Accepted Answer

Osteoblast

Question 13

Which type of bone is most likely to be found in the epiphysis of a long bone?

Accepted Answer

Spongy bone

Question 14

Which of the following surface markings is a shallow depression or recess in bone?

Accepted Answer

Fossa

Question 15

Which of the following best describes the role of the periosteum?

Accepted Answer

It wraps the superficial layer of compact bone and participates in bone growth and repair

Question 16

Which of the following is a distinguishing feature of compact bone compared to spongy bone?

Accepted Answer

Organization into osteons with central canals

Question 17

A patient has a break in the distal radius after falling on an outstretched hand. What type of fracture is this?

Accepted Answer

Colles fracture

Question 18

Which of the following best explains why pituitary dwarfism is rare in the United States today?

Accepted Answer

Treatment with synthetic growth hormone

Question 19

Which of the following is a function of red bone marrow?

Accepted Answer

Production of blood cells

Question 20

Which of the following is the correct formula for hydroxyapatite, the main mineral component of bone?

Accepted Answer

$$Ca_{10}(PO_4$)_6(OH)_2$$

The Skeletal System: Structure, Function, and Bone Classification

Study Guide - Practice Questions