I. Osteology - Cells & Matrix. (Pg. 1)

Question 1

What types of glycosaminoglycans predominate in bone?

Answer 1

chondroitin sulfates, keratin sulfates and hyaluronic acid

Question 2

What is the principal type of protein fiber in bone?

Answer 2

collagen type I

Question 3

What are the primary constituents of the bone mineral?

Answer 3

calcium, phosphate, citrate and carbonate ions

Question 4

What is the most frequently described deposit in bone?

Answer 4

hydroxyapatite

Question 5

Bone is also the repository for what additional ions?

Answer 5

sodium, magnesium, fluoride, lead, strontium and radium

Question 6

What is Wolff’s Law as it pertains to bone?

Answer 6

living tissue will respond to stressors such as anxiety, tension or pressure; bone is formed or absorbed in response to these same stressors

Question 7

What three responses of “living” bone were stressed in class?

Answer 7

it has the ability to heal, to remodel under stressors such as anxiety, tension or pressure and to age