During chemical regulation of respiration:
a. central chemoreceptors in the medulla respond to hypercapnia by triggering an increase in respiration rate
b. peripheral chemoreceptors in the medulla respond to increased pO2 by triggering increased respiration rate
c. chemoreceptors never affect respiration when pCO2 changes
d. carotid body chemoreceptors decrease respiration during acidosis
Ans: a. central chemoreceptors in the medulla respond to hypercapnia by triggering an increase in respiration rate
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