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Physiology 2130 > Module 2 > Flashcards

Module 2 Flashcards

1
Q

What % of total body water is each fluid compartment?

A

Intracellular: 67%
Interstitial (extracellular): 26.4%
Plasma (extracellular): 6.6%

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2
Q

What is plasma made of?

A

92% water, 8% other substances like proteins, ions, nutrients, gases, and waste products. Contains white blood cells and platelets

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3
Q

What is the chemical composition of Na+ in fluids?

A

Interstitial > plasma > cell

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4
Q

What is the chemical composition of K+ in fluids?

A

Intracellular > Interstitial > Plasma

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5
Q

What is the chemical composition of Ca++ in fluids?

A

Plasma > Interstitial > Intracellular

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6
Q

What is the chemical composition of Cl- in fluids?

A

Interstitial > Plasma > Intracellular

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7
Q

What is the chemical composition of protein ions in fluids?

A

Intracellular > Plasma > Interstitial

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8
Q

What accounts for the differences in chemical concentrations in fluids?

A

the cell membrane is selectively permeable, so some substances cannot cross without a channel, pore, or transport system

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Physiology 2130 (16 decks)

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