Skeletal Physiology

Question 1

List the 6 functions of the skeletal system

Answer 1

-provides support
-allows for movement
-produces blood in the marrow
-storage space for fat and minerals
-provides protection
-provides shape

Question 2

Compact bone

Answer 2

dense, smooth outside of a bone

Question 3

spongy bone

Answer 3

spongy lookin, lighter inside of a bone

Question 4

What does the parathyroid hormone do?

Answer 4

Release calcium from bones into blood

Question 5

What does calcitonin do?

Answer 5

puts calcium from the blood onto the bones

Question 6

What do osteoblasts do?

Answer 6

Build calcium on bone

Question 7

What do osteoclasts do?

Answer 7

Take calcium from bone and put into blood stream

Question 8

how many cervical vertebrae u got?

Answer 8

Like 7

Question 9

How many thoracic vertebrae

Answer 9

12 y’all

Question 10

How about those lumbar vertebrae

Answer 10

5 total

Question 11

Long bone characteristics?

Answer 11

longer than wide, mostly compact bone

Question 12

short bone characteristics?

Answer 12

as long as they are wide, mostly spongy bone

Question 13

flat bone characteristics?

Answer 13

thin bit of spongy bone between two compact bones

Question 14

irregular bones…

Answer 14

Everything else… vertebrae, hip… anything weird looking.

Question 15

Stages of ossification?

Answer 15

-bone is deposited onto hyaline cartilage by osteoblasts
-cartilage is digested by body, then becomes medullary cavity of bone

Question 16

where does bone growth happen

Answer 16

epiphysial plates

Question 17

Treatment of bone fracture

Answer 17

reduction/realigning bone
AND immobilization by a cast

Question 18

Stages of bone repair?

Answer 18

-hematoma forms from ruptured vessels
-fibrocartilage callus forms to close gap
-clasts and blasts migrate to area to replace cartilage with bone
-bone forms a strong patch over break