Question 1

Which of the following best describes the difference between the axial and appendicular skeletons?

Accepted Answer

The axial skeleton consists of the head, neck, chest, and spinal bones, while the appendicular skeleton consists of the shoulder, arm, hip, and leg bones.

Question 2

A patient presents with a fracture of the femur. Which part of the skeleton is affected?

Accepted Answer

Appendicular skeleton

Question 3

Which bone is the only moveable bone of the skull?

Accepted Answer

Mandible

Question 4

A child falls and breaks their radius by landing on an outstretched arm. What type of fracture is most likely in this scenario?

Accepted Answer

Greenstick fracture

Question 5

Which of the following joints allows movement in many directions and is classified as a ball-and-socket joint?

Accepted Answer

Shoulder joint

Question 6

Which bone is NOT part of the axial skeleton?

Accepted Answer

Scapula

Question 7

A patient is diagnosed with osteoporosis. Which of the following best describes the physiological process leading to this condition?

Accepted Answer

Bone breakdown exceeds bone formation.

Question 8

Which of the following laboratory tests is most likely to be elevated in a patient with gouty arthritis?

Accepted Answer

Uric acid

Question 9

A 70-year-old woman presents with a vertebral compression fracture after a minor fall. Which underlying condition is most likely responsible?

Accepted Answer

Osteoporosis

Question 10

Which of the following best describes the function of osteoclasts in bone physiology?

Accepted Answer

They secrete acid and enzymes to dissolve bone tissue.

Question 11

A patient with rheumatoid arthritis is prescribed a drug that inhibits the immune response. Which class of drug is this most likely to be?

Accepted Answer

Gold compound

Question 12

Which of the following procedures is used to measure bone mineral density and diagnose osteoporosis?

Accepted Answer

Bone densitometry

Question 13

A patient has a bunion caused by hallux valgus. Which surgical procedure is most appropriate to correct this deformity?

Accepted Answer

Bunionectomy

Question 14

Which of the following is a congenital deformity in which the knees are abnormally close together and the lower legs are angled outward?

Accepted Answer

Genu valgum

Question 15

A 10-year-old boy is diagnosed with osteosarcoma. Which of the following best describes this condition?

Accepted Answer

A cancerous tumor of bone

Question 16

Which of the following best describes a comminuted fracture?

Accepted Answer

A bone is crushed into several small pieces.

Question 17

A patient is scheduled for a total hip replacement (THR). Which of the following best describes this procedure?

Accepted Answer

Removal of the head of the femur and replacement with a prosthesis

Question 18

Which of the following is a function of the periosteum?

Accepted Answer

It covers the surface of bones with a thick, fibrous membrane.

Question 19

A patient with a history of chronic joint pain, swelling, and deformity is found to have an autoimmune disorder attacking cartilage and connective tissue. What is the most likely diagnosis?

Accepted Answer

Rheumatoid arthritis

Question 20

Which of the following best explains why calcium is released from bone into the bloodstream?

Accepted Answer

To maintain normal muscle function

Orthopedics and the Skeletal System: Structure, Function, and Medical Context

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