Match the physiological factors, labelled a. through e., with the descriptions. (Options may be used more than once or not at all.)
-stimulates peripheral chemoreceptors as an emergency mechanism
A)arterial PO₂ between 60 to 100 mmHg
B)arterial PO₂ less than 60 mmHg
C)arterial PCO₂ increased above normal
D)brain ECF H⁺ increased above normal
E)arterial H⁺ increased above normal

Question

Quizplus · Accepted Answer

Peripheral chemoreceptors are stimulated as an emergency mechanism when arterial PO₂ falls below 60 mmHg, triggering an increase in ventilation to raise oxygen levels.

Match the Physiological Factors, Labelled A