Transport and Conversion of Carbon Dioxide in Red Blood Cells
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Questions and Answers

What is the role of the peripheral chemoreceptors in the carotid bodies during metabolic acidosis?

  • They are inhibited directly to decrease the ventilation rate.
  • They have no effect on the ventilation rate.
  • They are stimulated directly to decrease the ventilation rate.
  • They are stimulated directly to increase the ventilation rate. (correct)
  • What is the effect of the Hering-Breuer reflex on breathing rate?

  • It decreases the breathing rate. (correct)
  • It increases the breathing rate.
  • It has no effect on the breathing rate.
  • It causes rapid, shallow breathing.
  • How do joint and muscle receptors affect the breathing rate?

  • They stimulate the inspiratory center to decrease the breathing rate.
  • They stimulate the inspiratory center to increase the breathing rate. (correct)
  • They have no effect on the breathing rate.
  • They cause rapid, shallow breathing.
  • What is the effect of irritant receptors on breathing?

    <p>They cause a reflex increase in bronchial smooth muscle constriction and breathing rate.</p> Signup and view all the answers

    How do J receptors in the alveolar walls affect breathing?

    <p>They cause a reflex increase in rapid, shallow breathing.</p> Signup and view all the answers

    What is the role of the anion exchange protein in the transport of carbon dioxide?

    <p>It facilitates the transport of carbon dioxide from the tissues to the lungs.</p> Signup and view all the answers

    How does the bicarbonate buffering system help maintain blood pH during metabolic acidosis?

    <p>It increases the concentration of bicarbonate in the blood to neutralize excess acid.</p> Signup and view all the answers

    What is the role of carbonic anhydrase in the transport of carbon dioxide?

    <p>It catalyzes the conversion of carbon dioxide to bicarbonate, facilitating its transport.</p> Signup and view all the answers

    What is the primary function of the aortic bodies in the regulation of breathing?

    <p>They have no direct effect on the peripheral chemoreceptors.</p> Signup and view all the answers

    How does the Hering-Breuer reflex affect the inspiratory center?

    <p>It inhibits the inspiratory center to decrease the breathing rate.</p> Signup and view all the answers

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