Bio 135 Test Review Essay

1396 Words Feb 3rd, 2015 6 Pages
BIO 135 Test 3 (6,7,8,16) Review Sheet
1. Name the 4 SKELETAL SYSTEM
FUNCTIONS

2. What do all types of cartilage have in
common?

3. Name the spaces that Chondrocytes are
within
4. Name the 3 types of cartilage


Where in the body is each type found?

5. Which cartilage has many elastin fibers?
6. What is a cartilage cell called?
7. How does fibrocartilage differ from other
cartilage?
8. How does cartilage grow?

9. What gives bone flexibility?
10. What gives bone strength?
11. Name the 3 bone cells and their
function

12. What is bone’s Extracellular matrix
made up of?
13. What is calcification?
14. What is ossification?

15. What is osteogenesis?
16. What is osteolysis?
17. What is the functional unit of Compact
bone?

1. Structural
…show more content…
Osteoblasts and osteoclasts are
sensitive to pressure. Increase pressure,
osteoblasts increases bone. No pressure,
osteoclast decreases bone
36. What does exercise do to bone?
Exercise increases bone density.
37. What happens if you don’t have enough The body’s calcium needs will come out of the
calcium in the blood?
bone by an increase in osteoclast activity. The

BIO 135 Test 3 (6,7,8,16) Review Sheet

38. What is osteoporosis?
39. What causes OSTEOPOROSIS?
40. What’s the best way to prevent
osteoporosis?
41. What is the most common bone used
for a bone graft?
42. What are the stages of healing after a
BONE FRACTURE?

43. Which type of cell divides readily after
a bone is damaged?
44. What is the function of an
osteoprogenitor cell?
45. What is a lateral curve in the spine?
46. What is a hunchback curve?
47. What is a swayback in the lower
region?
48. What is severe arthritis in the spine,
causing the vertebrae to fuse?

osteoclasts will dissolve some bone material
and release it into the blood.
Osteoporosis is a condition where there is less
mineralization in the extracellular matrix.
Caused by increased activity of osteoclasts
(more so than osteoblasts).The spongy bone is
affected more than compact bone.
 Prevent it by exercise!
the iliac bone of the hip.
Bleeding, then hematoma (blood clot)
Then a fibrocartilage callus forms
Then a bony callus forms.
Osteoclasts then finish remodeling the bone.
osteoprogenitor cell
Produce new osteoblasts
SCOLIOSIS…

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