General Physiology

Acid-base balance Practice Questions

20 free Acid-base balance 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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Questions

All Acid-base balance questions

20 questions
  1. Q1. Normal arterial blood pH in humans is approximately:
  2. Q2. The primary buffer system in extracellular fluid is the:
  3. Q3. Acidosis is defined as arterial blood pH:
  4. Q4. Respiratory acidosis is primarily caused by:
  5. Q5. The main compensatory response to respiratory acidosis involves the:
  6. Q6. Metabolic acidosis is characterized by a primary decrease in:
  7. Q7. Which condition is a common cause of metabolic acidosis?
  8. Q8. The primary compensatory mechanism for metabolic acidosis is:
  9. Q9. Respiratory alkalosis most commonly results from:
  10. Q10. Which condition is associated with metabolic alkalosis?
  11. Q11. The Henderson-Hasselbalch equation relates blood pH to:
  12. Q12. Which buffer system is most important inside cells?
  13. Q13. Hemoglobin contributes to acid-base balance primarily by:
  14. Q14. Which organ is primarily responsible for long-term regulation of acid-base balance?
  15. Q15. Renal excretion of hydrogen ions occurs mainly in the:
  16. Q16. Which substance allows the kidney to excrete acid without excessively lowering urine pH?
  17. Q17. In uncompensated metabolic acidosis, arterial blood gases show:
  18. Q18. Which acid-base disorder is characterized by elevated bicarbonate and elevated pH?
  19. Q19. Hypercapnia refers to increased levels of:
  20. Q20. Which of the following best describes complete compensation of an acid-base disorder?