Physiology

Question 1

What is soft tissue growth measured by?

Answer 1

Weight

Question 2

What is bone growth measured by?

Answer 2

Height

Question 3

What plays a permissive role in bone and soft tissue growth?

Answer 3

IGF, GH and Thyroid hormone

Question 4

How does insulin support bone and soft tissue growth?

Answer 4

Provides glucose energy

Question 5

What does bone growth require from the diet?

Answer 5

Calcium ad protein

Question 6

What attaches to the collagen lattice in the ECF?

Answer 6

Hydroxyapatite - calcium phosphate crystals

Question 7

What is the most common calcium phosphate?

Answer 7

Hydroxyapatite

Question 8

What is compact/cortical bone?

Answer 8

Outer layer - provides strength

Question 9

What is trabecular bone?

Answer 9

Inner layer; open, cell-filled spaces between struts of calcified lattice

Question 10

What are osteoblasts?

Answer 10

Modified fibroblasts that are specialised bone-forming cells

Question 11

What do osteoblasts produce?

Answer 11

Osteoid

Question 12

What binds to osteoid?

Answer 12

Hydroxyapatite

Question 13

What is osteoid?

Answer 13

Collagen and protein mixture

Question 14

What do osteocalcin and osteonectin do?

Answer 14

Aid in bone deposition

Question 15

What is the site of linear growth of long bones?

Answer 15

Epiphyseal plate

Question 16

What are chondrocytes?

Answer 16

Collagen producing cells of cartilage that create continuously dividing columns