week 2 quiz

Question 1

The basic functional unit of the compact bone is the ________

Answer 1

osteon

Question 2

what do perforating canals do?

Answer 2

they supply blood to the haversian system

Question 3

what is spongy bone made up of?

Answer 3

trabeculae

Question 4

what are osteoblasts involved in?

Answer 4

the production of new bone matrix

Question 5

the removal of collagen fibres from bone would cause the bone to become ______

Answer 5

brittle

Question 6

What condition occurs at bone mineral density values that are intermediate between normal and osteoporotic ranges?

Answer 6

Osteopenia

Question 7

name the 4 important steps (in order) in the repair of a fractured bone.

Answer 7

1. clot formation
2. internal callus
3. bone production
4. remodelling

Question 8

what is the percentage of total calcium in the body, stored in bone?

Answer 8

99%

Question 9

The mineral crystal found within the matrix of the bone is ______

Answer 9

hydroxyapatite

Question 10

The diaphysis is connected to the (proximal) epiphysis by the _______

Answer 10

metaphysis