Which of the following statement(s) is/are true concerning the autoregulation necessary to maintain oxygen consumption and oxygen delivery?
A. A change in oxygen consumption is followed by a proportionate change in oxygen delivery
B. A change in oxygen delivery is followed by a change in oxygen consumption
C. Increases in oxygen delivery are due solely to an increase in cardiac output
D. The normal ratio of oxygen delivery to consumption is 2:1
Answer:A
Which of the following statement(s) is/are true concerning the autoregulation necessary to maintain oxygen consumption and oxygen delivery?
A. A change in oxygen consumption is followed by a proportionate change in oxygen delivery B. A change in oxygen delivery is followed by a change in oxygen consumption C. Increases in oxygen delivery are due solely to an increase in cardiac output D. The normal ratio of oxygen delivery to consumption is 2:1