Peripheral and central chemoreceptors may both contribute to the increased ventilation that occurs as a result of which of the following?
AA decrease in arterial oxygen content
BA decrease in arterial blood pressure
CAn increase in arterial carbon dioxide tension
DA decrease in arterial oxygen tension
What physiological mechanism is responsible for the increase in the duration of expiration?
AJ-reflex
BHead's paradoxical reflex
CProprioceptors
DHering-Breuer reflex
All of the following statements about acid-base disorders are true, EXCEPT:
AMetabolic acidosis is compensated by increasing Pco2
BBuffering may be intra & extra cellular
CpH determined by Pco2 and HCO3
DRespiratory acidosis is compensated by HCO3
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