Extracellular Fluid in Cell Biology
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Questions and Answers

What is the approximate percentage of total body water in healthy adults?

  • 50-60% (correct)
  • 70-80%
  • 30-40%
  • 90-100%
  • Which component makes up about one-third of body fluid?

  • Intracellular fluid
  • Blood plasma
  • Lymph
  • Interstitial fluid (correct)
  • What are the two components that make up at least 97% of the extracellular fluid (ECF)?

  • Interstitial fluid and lymph
  • Plasma and interstitial fluid (correct)
  • Plasma and intracellular fluid
  • Blood plasma and lymph
  • Which type of fluid constitutes the body's internal environment that bathes all of the cells in the body?

    <p>Interstitial fluid</p> Signup and view all the answers

    What regulates the pH, sodium, potassium, and calcium concentrations in the extracellular fluid (ECF)?

    <p>Homeostatic mechanisms involving negative feedback</p> Signup and view all the answers

    What is the approximate percentage of total body water in healthy adults?

    <p>45-60%</p> Signup and view all the answers

    Which component makes up about one-third of the body fluid?

    <p>Interstitial fluid</p> Signup and view all the answers

    Which two components make up at least 97% of the extracellular fluid?

    <p>Plasma and lymph</p> Signup and view all the answers

    What is the function of the extracellular fluid in the body?

    <p>To maintain the body's internal environment</p> Signup and view all the answers

    Which of the following is regulated by homeostatic mechanisms involving negative feedback in the extracellular fluid?

    <p>Sodium concentration</p> Signup and view all the answers

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