Acid-Base Buffer Systems
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Questions and Answers

What is the range of pH in a solution?

  • 0-10
  • 5-9
  • 1-12
  • 0-14 (correct)

    • What is the normal pH range of human extracellular fluid?

  • 7.0-7.1
  • 7.5-7.6
  • 7.35-7.45 (correct)
  • 7.8-7.9

    • What is the primary function of carbonic anhydrase in cellular metabolism?

  • To facilitate lipid metabolism
  • To break down proteins into amino acids
  • To catalyze the conversion of CO2 to H2CO3 (correct)
  • To regulate hormone production

    • Which organs are responsible for re-uptaking and producing bases in the body?

    <p>Kidneys and pancreas</p> Signup and view all the answers

    What is the effect of acid-base imbalance on enzyme function?

    <p>Most enzymes function only with narrow pH ranges</p> Signup and view all the answers

    What is the primary effect of acidosis on the Central Nervous System (CNS)?

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

    What is the normal response to respiratory acidosis?

    <p>Kidneys eliminate hydrogen ion and retain bicarbonate ion</p> Signup and view all the answers

    What is the result of chronic respiratory acidosis?

    <p>Depression of the respiratory center in the brain</p> Signup and view all the answers

    What is the primary effect of alkalosis on the nervous system?

    <p>Over-excitability</p> Signup and view all the answers

    What is the immediate cause of respiratory acidosis?

    <p>High levels of CO2 in the blood</p> Signup and view all the answers

    What is the goal of renal compensation in response to respiratory acidosis?

    <p>To eliminate hydrogen ions and retain bicarbonate ions</p> Signup and view all the answers

    What is the result of the kidneys secreting H+ in the Distal and Collecting duct?

    <p>Creation of 1 HCO3- back to the blood</p> Signup and view all the answers

    What is the term for the body's response to acid-base imbalance?

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

    What is the normal range of pH for acid-base balance?

    <p>pH 7.35-7.45</p> Signup and view all the answers

    Which of the following is NOT a function of the kidneys in regulating acid-base balance?

    <p>Producing CO2</p> Signup and view all the answers

    What is the result of the kidneys failing to regulate acid-base balance?

    <p>pH balance fails</p> Signup and view all the answers

    At which location does the kidney reabsorb 1 HCO3- for every 1 H+ secreted?

    <p>Proximal tubule</p> Signup and view all the answers

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