pH Regulation and Buffer Systems Quiz
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Questions and Answers

What is the most important buffer system for leveling off pH fluctuations?

  • Bicarbonate-carbonic acid system (correct)
  • Phosphate buffer system
  • Hemoglobin buffer system
  • Protein buffer system

What is the cause of respiratory acidosis?

  • Loss of H+
  • Overproduction of H+
  • Retention of CO2 (correct)
  • Ingestion of antacids

What are the effects of alkalosis on the respiratory system?

  • Overproduction of H+
  • Ingestion of antacids
  • Loss of CO2 (hyperventilation) (correct)
  • Retention of CO2

How is metabolic alkalosis caused?

<p>Loss of H+ or ingestion of antacids (D)</p> Signup and view all the answers

What are the compensation mechanisms for acidosis?

<p>Deep rapid breathing and secretion of urine with a low pH (A)</p> Signup and view all the answers

What are the effects of dehydration?

<p>Dry mucous membranes in the mouth (B)</p> Signup and view all the answers

What are the attempts to compensate for fluid loss?

<p>Increasing thirst (D)</p> Signup and view all the answers

What is third-spacing of fluid?

<p>Fluid shifts out of the blood into a body cavity or tissue and cannot reenter the vascular compartment (D)</p> Signup and view all the answers

What are the effects of increased capillary permeability?

<p>Third-spacing of fluid (C)</p> Signup and view all the answers

How does the body attempt to control serum pH?

<p>Buffer systems (D)</p> Signup and view all the answers

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