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Questions and Answers

What is the primary reason for the movement of water between compartments in the body?

  • Differences in pH levels
  • Variations in blood pressure
  • Changes in body temperature
  • Differences in solute concentration (correct)
  • What is the term for the movement of water from an area of low solute concentration to high solute concentration through a semi-permeable membrane?

  • Active transport
  • Osmosis (correct)
  • Diffusion
  • Passive transport
  • Why is it essential to balance water intake with losses through defecation, sweating, and urination?

  • To regulate body temperature
  • To aid in digestion
  • To maintain blood pressure
  • To maintain overall fluid balance (correct)
  • Which of the following is NOT a factor affecting overall body fluid balance?

    <p>Body mass index</p> Signup and view all the answers

    What happens to cells when there is excess water due to disruption in solute or water balance?

    <p>They swell</p> Signup and view all the answers

    Which avenue is NOT a major route for water loss in the body?

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

    What is the primary function of electrolytes like sodium in maintaining fluid balance?

    <p>To trigger water movement</p> Signup and view all the answers

    What is the result of excess water loss due to disruption in solute or water balance?

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

    Why is it essential to have the right amount of fluid in the body?

    <p>For proper functioning</p> Signup and view all the answers

    What is the term for the balance between the amount of solutes and water in the body?

    <p>Solute balance</p> Signup and view all the answers

    What is the primary mechanism for regulating fluid balance?

    <p>Focusing on water loss and regulating it</p> Signup and view all the answers

    What hormonal response is responsible for promoting sodium reabsorption in the kidneys?

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

    What effect does a hypotonic environment have on cells?

    <p>Cell swelling due to water moving in</p> Signup and view all the answers

    What condition can result from excessive water intake or improper IV usage?

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

    What is the primary role of the atrial natriuretic peptide (ANP) in fluid balance regulation?

    <p>Promoting sodium and water excretion</p> Signup and view all the answers

    What are the common causes of hypertonicity in the body?

    <p>Inadequate water intake, excessive water loss, or excess solute gain</p> Signup and view all the answers

    What effect does a hypertonic environment have on cells?

    <p>Cell shrinkage due to water moving out</p> Signup and view all the answers

    What condition is often seen in athletes who replace only water after intense sweating?

    <p>Water intoxication or overhydration</p> Signup and view all the answers

    What is the role of antidiuretic hormone (ADH) in fluid balance regulation?

    <p>Promoting water reabsorption</p> Signup and view all the answers

    What effect does an isotonic solution have on cells?

    <p>No net change in cell shape or structure</p> Signup and view all the answers

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