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IM 4 > Calcium Basics > Flashcards

Calcium Basics Flashcards

1
Q

what is the range for Ca

A

8.4-11

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2
Q

99% of Ca is stored in ___ & ____

A

bones & teeth

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3
Q

what are the 3 functions of Ca (3 Bs)

A

Bones
Blood
Beats

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4
Q

what 3 forms can Ca be found

A

bound
ionized
complexed

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5
Q

where is ca bound if it is found this way and how much of ca is bound

A

bound to proteins
less than 50%

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6
Q

where is ionized Ca found and how much of calcium is ionized (most important)

A

in serum
50%

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7
Q

complexed ca is combined with what nonprotein anions (3)

A

phosphate
citrate
carbonate

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8
Q

ionized ca activates body chemical ____

A

reactions

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9
Q

ionized ca stimulates muscle _____ & ______

A

contraction & relaxation

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10
Q

ionized ca promotes transmission of ______ impulses

A

nerve

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11
Q

ionized ca stimulates cardiac _____ & _______

A

contractility & automaticity

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12
Q

ionized ca promotes formation of ______

A

prothrombin

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13
Q

what are the 4 calcium regulators

A

Parathyroid hormone (PTH)
Calcitonin
Phosphate
Vit D

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14
Q

PTH pulls Ca from ____

A

bones

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15
Q

PTH increases Ca concentration in ____

A

blood

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16
Q

PTH increases Ca absorption from ____ & _______ _______

A

GI
renal tubles

17
Q

what is calcitonin secreted by

A

thyroid

18
Q

Calcitonin keeps Ca in ___

A

bones

19
Q

calcitonin is an antagonist of

A

PTH

20
Q

Secretion of calcitonin is stimulated by high serum ____

A

Ca

21
Q

Calcitonin inhibits Ca reabsorption from ___

A

bone

22
Q

phosphate has a ____ relationship w/ ca

A

reciprocal

23
Q

when ca goes up phosphate goes

A

down

24
Q

Vit D is necessary for ___ & ____ of Ca

A

absorption & utilization

25
Q

what foods are high in Ca (5)

A

mushroom
tuna
spinach
fatty fish
egg yolks

IM 4 (62 decks)

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