Orthopedics

Question 1

Woven bone

Answer 1

Pathologic

Immature

Question 2

Mature or normal bone

Answer 2

Lamellar

Question 3

Bone resorption

Answer 3

Osteoclast

Question 4

Maintains bone

Calcium and phosphorous homeostasis

Answer 4

Osteocyte

Question 5

Builds the bone

Answer 5

Osteoblast

Question 6

99% of Ca sequestered in bone

1% of Ca is in

Answer 6

ECF

50% free
50% bound with albumin

Question 7

Prevent bone loss by inhibiting osteoclast resorption

Answer 7

Bisphosphonate

Question 8

Bisphosphonate CI

Answer 8

Renal disease

Excretion

Question 9

Bisphosphonate use may predispose to

Alendronate, Zonendronate

Answer 9

Jaw osteonecrosis

Question 10

Drug that inc deposition of new bone by osteoblast and reduces resorption of bone osteoclast

Answer 10

Strontium ranelate

Question 11

Recombinant protein form of parathyroid hormone

Effective anabolic agent for osteoporosis inc bone mass

Answer 11

Teriparatide

Question 12

Stimulates osteoclast

Bone resorption

Answer 12

PTH

Question 13

Stimulates osteoclast by stimulator

Answer 13

Osteoblast

Question 14

Osteoblasts stimulate osteoclast by

Answer 14

RANKL

Question 15

Type 1 collagen

Answer 15

Bone skin tendon

Question 16

Type 2 collagen

Answer 16

Cartilage

Question 17

Type 3 collagen

Answer 17

Reticulin

Blood vessel

Question 18

Type 4 collagen

Answer 18

Basement membrane

Question 19

Annulus fibrosis is a type collage

Answer 19

1

Question 20

Nucleus pulposus is collagen

Answer 20

Type II

Question 21

Inc thoracic curvature

Answer 21

Kyophotic

Question 22

Exaggerated curvature of lumbar spine

Answer 22

Lordosis

Question 23

Cartilage model formed and replaced to bone

Answer 23

Endochondral bone formation

Question 24

Direct bone formation

Answer 24

Intramembranous ossification

Question 25

Slow ox fibers

Answer 25

Red fibers

Question 26

First muscle type lost in rehab

Answer 26

Type 1 red

Question 27

Fast glycolitic fiber

Answer 27

Type II

Question 28

Type 1 osteoporosis

Answer 28

Post menopausal

Question 29

Type 2

Answer 29

Old patients

Fracture

Question 30

Selective estrogen receptor modulators

Answer 30

Estrogen agonist or antagonist depending on binding

Tamoxifen
Raloxifen

Question 31

wear and tear arthritis

Answer 31

osteoarthritis

Question 32

Radio findings of OA

Answer 32

Subchondral cyst
Osteophytes
Joint space narrowing
Eburnation

Question 33

Most common primary sarcoma of bone

Lung metastasis

Answer 33

Osteosarcoma

Question 34

Osteosarcoma radio

Answer 34

Sun burst of hair end pattern

Codmann’s triangle

Question 35

Small round cell sarcoma

Answer 35

Ewing’s

Question 36

Second most common malignant bone tumor in children

Answer 36

Ewing sarcoma

Question 37

Moth eaten appearance

Onion skin and sunburet appearance

Answer 37

Ewing sarcoma