General Physiology

Body fluid compartments Practice Questions

20 free Body fluid compartments practice questions for the Physiology, each with the correct answer and a detailed explanation. Open any question below, or take the full set as an interactive quiz.

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All Body fluid compartments questions

20 questions
  1. Q1. Total body water in an average adult male constitutes approximately what percentage of body weight?
  2. Q2. The largest body fluid compartment is the:
  3. Q3. Extracellular fluid constitutes approximately what fraction of total body water?
  4. Q4. Plasma volume represents approximately what percentage of total body water?
  5. Q5. Interstitial fluid volume is best described as:
  6. Q6. Which fluid compartment contains the highest concentration of potassium?
  7. Q7. The primary cation in extracellular fluid is:
  8. Q8. Which substance distributes freely across cell membranes and equilibrates between fluid compartments?
  9. Q9. Osmolality of body fluids is primarily determined by the concentration of:
  10. Q10. Which method is commonly used to measure extracellular fluid volume?
  11. Q11. Intracellular fluid volume can be estimated by:
  12. Q12. Which fluid compartment is most affected during acute hemorrhage?
  13. Q13. Transcellular fluid includes all of the following EXCEPT:
  14. Q14. Which factor most strongly influences the distribution of water between intracellular and extracellular compartments?
  15. Q15. Edema formation primarily reflects excess fluid accumulation in the:
  16. Q16. Which protein contributes most to plasma oncotic pressure?
  17. Q17. A hypotonic intravenous fluid will initially cause water to move:
  18. Q18. Which compartment experiences the greatest relative change during dehydration?
  19. Q19. Total body water is typically lower in obese individuals primarily because:
  20. Q20. Which statement best describes steady-state fluid balance?