Skeletal

Question 1

which region of a long bone articulates w other bones

Answer 1

epiphysis

Question 2

the shaft of a long bone is

Answer 2

diaphysis

Question 3

the cells active in fracture repair during the production of the hard (spongy bone) callus are called

Answer 3

osteoblasts

Question 4

why would running and jumping have a larger effect on bone health than walking

Answer 4

osteoblasts are more active and osteoclasts maintain normal activity when there is mechanical stress placed on bones

Question 5

the ____ is composed of hyaline cartilage and allows the diaphysis in growth in length

Answer 5

epiphyseal plate

Question 6

what area of long bone is composed of dense irregular connective tissue and osteogenic cells

Answer 6

periosteum

Question 7

an avid runner is complaining that her lower leg hurt, nothing showed on xrays of tibia or fibula

bone scan revealed tiny fissures throughout her tibia w/o other tissue damage

what is the likely diagnoses

Answer 7

stress fracture

Question 8

bone mass reduction is promoted by which hormone

Answer 8

parathyroid hormone

Question 9

in endochondral ossification, what is the original source of osteoblasts

Answer 9

osteoprogenitor cells

Question 10

which type of fracture is considered a partial fracture and is only seen in children

Answer 10

greenstick

Question 11

if collagen is removed from bone, what happens to the bone

Answer 11

the bone becomes stiff and brittle

Question 12

sequence of events that occur during intramembranous ossification

OCFD

Answer 12

ossification center develops
calcification
formation of trabeculae
development of new periosteum

Question 13

if bone is analogous to a bank, calcium is analogous to

Answer 13

money

Question 14

what tissues are part of bone

Answer 14

epithelial
nervous
connective

Question 15

correct sequence of steps in the repair of a bone fracture

FH, FCF,BCF,BR

Answer 15

fracture hematoma
fibrocartilaginous callus formation
bony callus formation
bone remodeling

Question 16

osteoporosis is most common in elderly women b/c of the lack of ____ which would inhibit _____

Answer 16

estrogen, osteoclast activity

Question 17

what hormone is release from the control centre when the control centre receives cAMP input; also important in increasing blood calcium serum levels

Answer 17

parathyroid

Question 18

PTH will increase ____ activity while calcitonin will decrease ___ activity

Answer 18

osteoclast, osteoclast

Question 19

why do greenstick fractures commonly occur in children

Answer 19

their bones contain higher amounts of collagen

Question 20

proliferation of osteoclasts leading to rapid bone remodeling and weakening in the bones

Answer 20

Paget’s disease

Question 21

severe bone density loss

Answer 21

osteoporosis

Question 22

bacterial infection causing inflammation in a bone

Answer 22

osteomyelitis

Question 23

bone cancer primarily affecting the long bones

Answer 23

osteosarcoma

Question 24

answer1. decrease
2. osteoblasts
3. increase
4. increase
5. demineralizes
6. ostepenia