Questions and Answers
Which ions are found in the extracellular fluid (ECF)?
Na+, K+, Mg2+, Cl-, PO43-, HCO3-, glucose, protein
Why do cells erect a barrier that is impermeable to ions?
To separate intracellular fluid (ICF) from ECF
What is the approximate concentration of free calcium (Ca2+) in the extracellular fluid (ECF)?
2 mmol
How does the composition of intracellular fluid (ICF) differ from extracellular fluid (ECF)?
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What is the pH of intracellular fluid (ICF) compared to extracellular fluid (ECF)?
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Which of the following ions is NOT found in the extracellular fluid (ECF)?
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What is the approximate concentration of free calcium (Ca2+) in the extracellular fluid (ECF)?
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Which ion has a higher concentration in intracellular fluid (ICF) compared to extracellular fluid (ECF)?
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What is the primary function of the plasma membrane?
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What is the pH of intracellular fluid (ICF) compared to extracellular fluid (ECF)?
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