Question 1

Which of the following is NOT a primary function of bones in the human body?

Accepted Answer

Production of hormones

Question 2

A patient suffers a fracture in the diaphysis of their femur. Which part of the bone is affected?

Accepted Answer

The shaft of the bone

Question 3

Which bone marking serves as a passageway for nerves and blood vessels?

Accepted Answer

Foramen

Question 4

Which equation best represents the number of bones in the adult human skeleton?

Accepted Answer

$$206$$

Question 5

A newborn’s skull contains fontanels. What is the primary function of these structures?

Accepted Answer

Allow for compression during birth and brain growth

Question 6

Which type of joint allows for the greatest range of motion?

Accepted Answer

Ball-and-socket joint

Question 7

Which of the following bones is classified as an irregular bone?

Accepted Answer

Vertebra

Question 8

A patient presents with limited movement in the pubic symphysis. What type of joint is this?

Accepted Answer

Cartilaginous joint (amphiarthrosis)

Question 9

Which structure connects the periosteum to the underlying bone?

Accepted Answer

Perforating (Sharpey’s) fibers

Question 10

Which equation describes the relationship between the number of cervical, thoracic, and lumbar vertebrae in the adult spine?

Accepted Answer

$$7 + 12 + 5 = 24$$

Question 11

Which bone is the only bone in the body that does NOT articulate with another bone?

Accepted Answer

Hyoid bone

Question 12

A patient has a fracture in the distal end of the radius. Which type of synovial joint is primarily affected at the wrist?

Accepted Answer

Condyloid joint

Question 13

Which of the following best describes the microscopic structure of compact bone?

Accepted Answer

Osteons (Haversian systems) with central canals

Question 14

Which equation represents the number of pairs of true ribs in the human body?

Accepted Answer

$$7$$

Question 15

A patient is unable to rotate their forearm so that the palm faces upward. Which joint type is most likely impaired?

Accepted Answer

Pivot joint

Question 16

Which of the following is a feature of synovial joints that distinguishes them from other joint types?

Accepted Answer

Presence of a joint cavity filled with synovial fluid

Question 17

Which bone forms the heel of the foot?

Accepted Answer

Calcaneus

Question 18

A patient with osteoporosis has decreased bone density. Which equation best represents the relationship between bone mass ($$M$$), mineral content ($$C$$), and bone density ($$D$$)?

Accepted Answer

$$D = \frac{M}{V}$$

Question 19

Which of the following is a structural feature of a long bone that is responsible for blood cell formation in infants?

Accepted Answer

Red marrow in the medullary cavity

Question 20

A football player suffers a dislocation of the shoulder. Which type of synovial joint is involved, and what is the main risk associated with this injury?

Accepted Answer

Ball-and-socket joint; risk of damage to surrounding ligaments and nerves

The Skeletal System: Structure, Function, and Classification

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