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Musculoskeletal system > Bone diseases: lab values > Flashcards

Bone diseases: lab values Flashcards

1
Q

Osteoporosis: calcium

A

normal

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2
Q

Osteoporosis: phosphate

A

normal

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3
Q

Osteoporosis: ALP

A

normal

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4
Q

Osteoporosis: PTH

A

normsl

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5
Q

Osteopetrosis: calcium

A

normal

decreased in severe disease

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6
Q

Osteopetrosis: phosphate

A

normal

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7
Q

Osteopetrosis: ALP

A

normal

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8
Q

Osteopetrosis: PTH

A

normal

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9
Q

Paget: calcium

A

normal

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10
Q

Paget: phosphate

A

normal

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11
Q

Paget: ALP

A

increased

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12
Q

Paget: PTH

A

normal

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13
Q

Osteomalacia/rickets: calcium

A

decreased

vit D deficiency -> less uptake

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14
Q

Osteomalacia/rickets: phosphate

A

decreased

because PTH increases trying to elevate the calcium

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15
Q

Osteomalacia/rickets: ALP

A

increased

osteoblasts become more active in response to increased bone resorption by osteoclasts

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16
Q

Osteomalacia/rickets: PTH

A

increased, because calcium is low PTH increases in response

17
Q

Hypervitaminosis D: calcium

A

increased

18
Q

Hypervitaminosis D: phosphate

A

increased

19
Q

Hypervitaminosis D: ALP

A

normal

20
Q

Hypervitaminosis D: PTH

A

decreased (calcium is too high -> PTH decreased, because PTH normally increases calcium further)

21
Q

Osteitis fibrosis cystica (primary): calcium

A

increased

22
Q

Osteitis fibrosis cystica (primary): phosphate

A

decreased

23
Q

Osteitis fibrosis cystica (primary):
ALP

A

increased

24
Q

Osteitis fibrosis cystica (primary): PTH

A

increased

25
Q

Osteitis fibrosis cystica (secondary): calcium

A

decreased

26
Q

Osteitis fibrosis cystica (secondary): phosphate

A

increased

27
Q

Osteitis fibrosis cystica (secondary): ALP

A

increased

28
Q

Osteitis fibrosis cystica (secondary): PTH

A

increased

29
Q

Osteoporosis: what is it?

A

Less bone mass

30
Q

Osteopetrosis: what is it?

A

Dense, brittle bones (defective osteoclasts)

31
Q

Paget: what is it?

A

Abnormal bone architecture (mosaic)

32
Q

Osteomalacia/Rickets: what is it?

A

Soft bone, defective mineralization

33
Q

Hypervitaminosis D: cause?

A

Oversupplementation or granulomatous disease

Musculoskeletal system (17 decks)

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