Body Fluids and Homeostasis Maintenance Quiz
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Questions and Answers

What is the primary means of regulating fluid output in the body?

  • Altering respiratory rate
  • Altering renal excretion (correct)
  • Altering heart rate
  • Altering digestive absorption

    • What percentage of body weight does the intracellular fluid account for?

  • 20%
  • 10%
  • 60%
  • 40% (correct)

    • Which of the following makes up about three fourths of the extracellular fluid?

  • Intracellular fluid
  • Blood cells
  • Interstitial fluid (correct)
  • Plasma

    • What portion of the blood is considered as the noncellular portion?

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

    How much is the average blood volume in a normal adult human as a percentage of body weight?

    <p>8%</p> Signup and view all the answers

    Why is maintaining a relatively constant volume and composition of body fluids important?

    <p>To prevent abnormalities in clinical medicine</p> Signup and view all the answers

    What is the main difference between the plasma and interstitial fluid in the extracellular compartment?

    <p>Plasma has a higher protein concentration</p> Signup and view all the answers

    What could be a likely cause of intracellular swelling?

    <p>Hyponatremia</p> Signup and view all the answers

    What are two general causes of extracellular edema mentioned in the text?

    <p>Leakage of fluid from interstitial spaces to plasma</p> Signup and view all the answers

    What is a factor that can increase capillary filtration coefficient?

    <p>High protein concentration in plasma</p> Signup and view all the answers

    Why do capillaries have low permeability to proteins?

    <p>To maintain a high protein concentration in the plasma</p> Signup and view all the answers

    Which condition is NOT likely to cause intracellular swelling according to the text?

    <p>Adequate nutrition to the cells</p> Signup and view all the answers

    What is one of the causes of edema mentioned in the text?

    <p>Allergic reactions</p> Signup and view all the answers

    Which factor can lead to increased capillary hydrostatic pressure according to the text?

    <p>Failure of the heart to pump blood rapidly out of veins</p> Signup and view all the answers

    What is a potential cause of decreased plasma colloid osmotic pressure as per the text?

    <p>Loss of large amounts of protein in urine</p> Signup and view all the answers

    What can happen when there is increased interstitial fluid colloid osmotic pressure according to the text?

    <p>Draws fluid out of plasma into tissues</p> Signup and view all the answers

    How does lymphatic blockage contribute to severe edema?

    <p>It prevents return of protein from interstitial spaces to blood</p> Signup and view all the answers

    Why can edema be particularly severe in cases of lymphatic blockage?

    <p>Because plasma proteins that leak cannot be returned to plasma</p> Signup and view all the answers

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