$$\text{Bone Remodeling Rate} = k \times \text{Mechanical Stress}$$

Question 1

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

Accepted Answer

Regulation of body temperature

Question 2

A patient presents with a fracture in the femur. Based on bone classification, which type of bone is the femur?

Accepted Answer

Long bone

Question 3

Which subdivision of the skeleton includes the vertebral column?

Accepted Answer

Axial skeleton

Question 4

Which bone tissue type is described as dense, smooth, and homogeneous?

Accepted Answer

Compact bone

Question 5

A bone is found to be thin, flattened, and curved, with two layers of compact bone sandwiching spongy bone. Which bone type is this?

Accepted Answer

Flat bone

Question 6

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

Accepted Answer

Carpal

Question 7

What is the primary function of the periosteum?

Accepted Answer

To cover the diaphysis and anchor it to underlying bone

Question 8

Which structure in a long bone is responsible for lengthwise growth during childhood?

Accepted Answer

Epiphyseal plate

Question 9

If a bone is cube-shaped and contains mostly spongy bone with an outer layer of compact bone, which classification does it belong to?

Accepted Answer

Short bone

Question 10

Which of the following is a correct pairing of bone marking and its function?

Accepted Answer

Tuberosity – site of muscle and ligament attachment

Question 11

A patient has a break in the bone that does not penetrate the skin. What type of fracture is this?

Accepted Answer

Closed (simple) fracture

Question 12

Which hormone is released when blood calcium levels are low, and what is its effect on bone?

Accepted Answer

Parathyroid hormone (PTH); activates osteoclasts to release calcium from bone

Question 13

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

Accepted Answer

Osteons containing central canals and concentric lamellae

Question 14

Which bone marking is an indentation at the edge of a structure?

Accepted Answer

Notch

Question 15

During bone healing, which event occurs first?

Accepted Answer

Hematoma formation

Question 16

Which of the following equations correctly represents the relationship between bone remodeling and mechanical stress?

Accepted Answer

$$	ext{Bone Remodeling Rate} = k 	imes 	ext{Mechanical Stress}$$

Question 17

Which joint type is found where the teeth meet the facial bones?

Accepted Answer

Gomphosis

Question 18

A 70-year-old woman presents with vertebral collapse and kyphosis. Which condition is most likely responsible?

Accepted Answer

Osteoporosis

Question 19

Which of the following structures is responsible for connecting all bone cells to a nutrient supply?

Accepted Answer

Canaliculi

Question 20

Which of the following best describes the difference between synovial and cartilaginous joints?

Accepted Answer

Synovial joints have a joint cavity filled with fluid; cartilaginous joints are connected by fibrocartilage

Skeletal System: Structure, Function, and Classification of Bones

Guida di studio - Domande di pratica