Skeleton AP Lecture

Question 1

Immature bone cells (secretes matrix compound)

Answer 1

Osteoblasts

Question 2

What is the matrix produced by osteoblast called?

Answer 2

Osteoid

Question 3

Where are osteoprogenitor cells found?

Answer 3

Inner cellular layer of periosteum and the endosteum

Question 4

What does an osteoprogeniter cell do?

Answer 4

Assist fracture repair, maintain osteoblast population

Question 5

Giante multinucleate cells

Answer 5

Osteoclast

Question 6

Which bone cell maintains blood concentrations of calcium and phosphate?

Answer 6

Osteoclasts

Question 7

True or false ? An osteoclast builds bone matrix and release stored minerals?

Answer 7

False. An osteoclast dissolves bone matrix and releases stored minerals

Question 8

What is osteolysis?

Answer 8

An osteoclast Dissolving the bone matrix and releasing stored minerals

Question 9

Bone building? Bone recycling?

Answer 9

Osteoblast, osteoclast

Question 10

What does parathyroid hormone do?

Answer 10

Stimulates the release of thyroid from the bones

Question 11

Parts of a radius

Answer 11

Olecranon, trochlear notch, radial tuberosity, coronoid process, shaft, ulnar notch, radial styloid process