Respiratory Chemoreceptors Quiz
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Questions and Answers

What do the central chemoreceptors primarily respond to?

  • Changes in carbon dioxide levels in the cerebrospinal fluid (correct)
  • Changes in oxygen levels in the arterial blood
  • Changes in oxygen levels in the cerebrospinal fluid
  • Changes in oxygen and carbon dioxide levels in the arterial blood

    • What is the primary stimulus for the peripheral chemoreceptors?

  • Changes in oxygen levels in the cerebrospinal fluid
  • Changes in carbon dioxide levels in the cerebrospinal fluid
  • Changes in carbon dioxide levels in the arterial blood (correct)
  • Changes in oxygen levels in the arterial blood

    • What is the main purpose of the adjustments in respiratory rate and depth triggered by chemoreceptor stimulation?

  • To control heart rate
  • To maintain proper oxygenation and eliminate excess carbon dioxide (correct)
  • To regulate blood pressure
  • To aid in digestion

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