Which factor stimulates the carotid and aortic chemoreceptors?
a. High carbon dioxide levels
b. High oxygen (O2) levels
c. High pH levels
d. High 2,3-DPG levels
ANS: A
They are strongly stimulated by decreased O2 tensions, although low pH or high levels of carbon dioxide also can increase their discharge rate.
Health Professions
You might also like to view...
Office policies are ________ regarding whether to have patients wear corrective lenses during the test and whether to test each eye individually or both eyes together
a. similar b. the same c. uniform d. different
Health Professions
Credit card companies charge merchants and businesses a fee each time a customer pays by credit card.
Answer the following statement true (T) or false (F)
Health Professions