638 SECTION VIIRespiratory Physiology
- Injection of a drug that stimulates the carotid bodies would be
expected to cause
A) a decrease in the pH of arterial blood.
B) a decrease in the PCO 2 of arterial blood.
C) an increase in the HCO 3 – concentration of arterial blood.
D) an increase in urinary Na+ excretion.
E) an increase in plasma Cl–. - Variations in which of the following components of blood or
CSF do not affect respiration?
A) arterial HCO 3 – concentration
B) arterial H+ concentration
C) arterial Na+ concentration
D) CSF CO 2 concentration
E) CSF H+ concentration
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