Types Of Bone Cells

Question 1

What is the primary function of osteoblasts?

Answer 1

To produce new bone matrix and facilitate bone mineralization.

Question 2

True or False: Osteoclasts are responsible for bone resorption.

Answer 2

True

Question 3

Fill in the blank: Osteocytes are derived from __________.

Answer 3

osteoblasts

Question 4

What type of bone cell is involved in the maintenance of bone tissue?

Answer 4

Osteocytes

Question 5

Which bone cell type is multinucleated?

Answer 5

Osteoclasts

Question 6

Multiple Choice: Which of the following cells is primarily responsible for bone formation? A) Osteoclasts B) Osteoblasts C) Osteocytes D) Chondrocytes

Answer 6

B) Osteoblasts

Question 7

What is the role of osteoclasts in bone health?

Answer 7

They break down bone tissue, which is essential for bone remodeling.

Question 8

True or False: Osteocytes are the most abundant type of bone cell.

Answer 8

True

Question 9

Fill in the blank: __________ are bone cells that regulate the mineral content of bones.

Answer 9

Osteoblasts

Question 10

What do osteoblasts secrete to form new bone?

Answer 10

Bone matrix, primarily collagen.

Question 11

Multiple Choice: Which of the following is NOT a type of bone cell? A) Osteoblast B) Osteocyte C) Chondroblast D) Osteoclast

Answer 11

C) Chondroblast

Question 12

What signaling molecules do osteocytes produce to communicate with other bone cells?

Answer 12

Sclerostin and RANKL.

Question 13

True or False: Osteoclasts originate from the same lineage as macrophages.

Answer 13

True

Question 14

Fill in the blank: The process by which osteoclasts break down bone is called __________.

Answer 14

bone resorption

Question 15

What is the lifespan of osteocytes compared to osteoblasts?

Answer 15

Osteocytes have a longer lifespan than osteoblasts.

Question 16

Multiple Choice: What is the primary characteristic of osteocytes? A) They are actively dividing. B) They are embedded in the bone matrix. C) They are responsible for bone growth. D) They are the largest bone cells.

Answer 16

B) They are embedded in the bone matrix.

Question 17

What is the primary role of osteoblasts in the skeletal system?

Answer 17

To synthesize and mineralize bone.

Question 18

True or False: Osteoclast activity is regulated by hormones.

Answer 18

True

Question 19

Fill in the blank: Osteocytes are crucial for sensing __________ in the bone.

Answer 19

mechanical strain

Question 20

What happens to osteoblasts after they complete their function?

Answer 20

They can become osteocytes or undergo apoptosis.

Question 21

Multiple Choice: Which bone cell is primarily responsible for the repair of bone fractures? A) Osteoblasts B) Osteocytes C) Osteoclasts D) All of the above

Answer 21

A) Osteoblasts

Question 22

What is the function of RANKL produced by osteocytes?

Answer 22

To stimulate the formation and activity of osteoclasts.

Question 23

True or False: Osteocytes can communicate with osteoblasts and osteoclasts through canaliculi.

Answer 23

True

Question 24

Fill in the blank: Osteoclasts are derived from __________ progenitor cells.

Answer 24

monocyte/macrophage

Question 25

What is the primary mineral that osteoblasts help to deposit in the bone?

Answer 25

Calcium phosphate

Question 26

Multiple Choice: Which cell type is primarily responsible for the remodeling of bone? A) Osteoblasts B) Osteocytes C) Osteoclasts D) All of the above

Answer 26

D) All of the above