$\text{Bone Mass} = \text{Bone Formation} - \text{Bone Resorption}$

Question 1

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

Accepted Answer

Hormone secretion

Question 2

A patient presents with a fracture in the shaft of their femur. Which part of the long bone is most likely affected?

Accepted Answer

Diaphysis

Question 3

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

Accepted Answer

Endochondral ossification

Question 4

A decrease in bone mass due to increased bone resorption compared to bone formation is known as:

Accepted Answer

Osteoporosis

Question 5

Which hormone increases calcium release into the bloodstream from bones?

Accepted Answer

Parathyroid hormone

Question 6

Which structure in compact bone contains blood vessels and is surrounded by concentric rings?

Accepted Answer

Haversian canal

Question 7

A patient with avascular necrosis of the femur most likely has damage to which structure?

Accepted Answer

Periosteum

Question 8

Which type of bone is characterized by a thin layer of compact bone surrounding a core of cancellous bone and is typically found in the wrist?

Accepted Answer

Short bone

Question 9

Which projection on a bone serves as a site for muscle attachment and is described as a very sharp, slender projection?

Accepted Answer

Spine

Question 10

Which of the following best describes the function of osteoclasts?

Accepted Answer

They break down bone during bone resorption and remodeling

Question 11

A 14-year-old girl is still growing in height. Which structure in her long bones is responsible for this growth?

Accepted Answer

Epiphyseal plate

Question 12

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

Accepted Answer

Vertebra

Question 13

Which landmark is a depression or cavity in or on a bone and can serve as a passageway for blood vessels and nerves?

Accepted Answer

Fossa

Question 14

Which equation best represents the relationship between bone mass, bone formation, and bone resorption?

Accepted Answer

$	ext{Bone Mass} = 	ext{Bone Formation} - 	ext{Bone Resorption}$

Question 15

Which of the following is TRUE regarding cancellous bone?

Accepted Answer

It contains bone marrow within its trabeculae

Question 16

A patient has a fracture at the superior end of the humerus. Which anatomical term best describes this region?

Accepted Answer

Head

Question 17

Which of the following statements about the spinal column is correct?

Accepted Answer

The lumbar section contains 5 vertebrae

Question 18

Which bone marking is described as a small round process, such as the lesser tubercle of the humerus?

Accepted Answer

Tubercle

Question 19

Which of the following best explains why bone remodeling is necessary throughout life?

Accepted Answer

To adapt bone structure to varying mechanical stresses and repair microdamage

Question 20

A patient with a deficiency in mineral salts such as calcium and phosphate is most likely to experience which of the following?

Accepted Answer

Decreased bone density and increased risk of fractures

Skeletal System: Structure, Function, and Classification

Study Guide - Practice Questions