Bone Nishimoto

Question 1

Two major types of bone are?

Answer 1

Trabecular (spongy) and cortical (Solid)

Question 2

Trabecular bone is located where?

Answer 2

The end of long bones

Question 3

Cortical is located where

Answer 3

Shaft

Question 4

Compressive stress =

Answer 4

body wt pushing bone down

Question 5

Tensile stresses= muscle pulling bone apart

Answer 5

ok

Question 6

Cortcal bone is organized into

Answer 6

Haversian systems

Question 7

Organic matrix of bone consists primarily of

Answer 7

Collagen

Question 8

mineral component of bone is mostly

Answer 8

hydroxyappetite

Question 9

Water is approximately what percentage of bone mass

Answer 9

25%

Question 10

bone density =

Answer 10

weight of mineral per volume of bone

Question 11

osteocytes have long cellular processes

Answer 11

ok

Question 12

PTH binds to what bone cell

Answer 12

Bone lining cell

Question 13

Osteoblasts come from what?

Answer 13

Bone marrow precursor cells…these precursor cells are capable of turning into osteoblasts or fat cells

Question 14

What is the job ofosteoblasts

Answer 14

Make the proteins that will form the organic matrix of bone…osteoid

Question 15

What the hell are osteoclasts

Answer 15

Multinucleate giant cells formed by differentiation and fusion of monocytes

Question 16

Osteaclasts do what?

Answer 16

resorb bone matrix