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Calcium and Cellular Function Quiz

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Questions and Answers

Which ions are found in the extracellular fluid (ECF)?

Na+, K+, Cl-, protein

Ca2+, Na+, Cl-, K+, protein

Ca2+, K+, Cl-, protein

Na+, K+, Mg2+, Cl-, PO43-, HCO3-, glucose, protein (correct)

Why do cells erect a barrier that is impermeable to ions?

To increase the concentration of K+ in ICF

To separate intracellular fluid (ICF) from ECF (correct)

To lower the concentration of Ca2+ in ICF

To increase the concentration of Na+ in ICF

What is the approximate concentration of free calcium (Ca2+) in the extracellular fluid (ECF)?

10^-7 mol

10^-4 mol

2 mmol (correct)

2 mmol/L

How does the composition of intracellular fluid (ICF) differ from extracellular fluid (ECF)?

Lower Ca2+, Na+, Cl- concentrations and higher K+ concentration Signup and view all the answers

What is the pH of intracellular fluid (ICF) compared to extracellular fluid (ECF)?

Slightly more acidic Signup and view all the answers

Which of the following ions is NOT found in the extracellular fluid (ECF)?

Calcium (Ca2+) Signup and view all the answers

What is the approximate concentration of free calcium (Ca2+) in the extracellular fluid (ECF)?

2 mmol Signup and view all the answers

Which ion has a higher concentration in intracellular fluid (ICF) compared to extracellular fluid (ECF)?

Potassium (K+) Signup and view all the answers

What is the primary function of the plasma membrane?

To separate intracellular fluid (ICF) from extracellular fluid (ECF) Signup and view all the answers

What is the pH of intracellular fluid (ICF) compared to extracellular fluid (ECF)?

More acidic Signup and view all the answers

Calcium and Cellular Function Quiz

Choose a study mode

Podcast

Questions and Answers

Which ions are found in the extracellular fluid (ECF)?

Why do cells erect a barrier that is impermeable to ions?

What is the approximate concentration of free calcium (Ca2+) in the extracellular fluid (ECF)?

How does the composition of intracellular fluid (ICF) differ from extracellular fluid (ECF)?

What is the pH of intracellular fluid (ICF) compared to extracellular fluid (ECF)?

Which of the following ions is NOT found in the extracellular fluid (ECF)?

What is the approximate concentration of free calcium (Ca2+) in the extracellular fluid (ECF)?

Which ion has a higher concentration in intracellular fluid (ICF) compared to extracellular fluid (ECF)?

What is the primary function of the plasma membrane?

What is the pH of intracellular fluid (ICF) compared to extracellular fluid (ECF)?

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Calcium and Cellular Function Quiz

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