Quiz 2 Part 2

Question 1

Periosteum is held by what?

Answer 1

Sharpeys Fibers

Question 2

Metaphysis

Answer 2

The area between the epiphysis and Diaphysis

Question 3

What does the white line on the growth plate represent?

Answer 3

The closing of the plates

Question 4

What are the two layers of Periostum?

Answer 4

Outside and inside layer (osteogenic layer)

Question 5

Osteoblasts

Answer 5

Cells that form new bones and grow and heal existing bones also release bone matrix

Question 6

Osteoclasts

Answer 6

Nibbles away bone

Question 7

Osteocyte

Answer 7

When the osteoblast gets stuck in its own matrix

Question 8

Diploe ( area of flat bone)

Answer 8

Where the red blood cells are being made in the adult

Question 9

What 3 things go down the central canal?

Answer 9

Vain
Atery
Nerve

Question 10

Remodeling

Answer 10

Lays down liquid bone 7 times time in the average adult

Question 11

Hydroxyapatite

Answer 11

Minerals found within the bone
( Makes up 65% and Osteoid make 35%)

Question 12

What formations occur in the embryo?

Answer 12

Intramembranous ( flat bone) and Endochondral ( Long bone)

Question 13

What happens in early adulthood?

Answer 13

Bone growth in length (Epithesial) and thickness (Appositional)

Question 14

What are the sex hormones?

Answer 14

Testosterone and Estrogen

Question 15

When do growth spurts start to close?

Answer 15

18 for women, 21 for men

Question 16

Mechanical stress influences what?

Answer 16

Remodeling

Question 17

Calcitonin

Answer 17

Stimulates calcium salt deposit in bone

Question 18

Parathyroid Hormone (PTH)

Answer 18

puts calcium back into the bone which helps with remodeling

Question 19

Osteoparatic

Answer 19

When bones get brittle

Question 20

Wolf’s Law

Answer 20

Bone will be laid down based upon the stress that’s placed upon it