Quiz for L25: Regional Circulations |
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Question 1
| Multiple-choice | |
Active hyperemia, autoregulation, and reactive hyperemia are all _____ mechanisms. | |
| Select the best answer | |
heart |
intrinsic |
active hyperemia |
increases |
| Multiple-choice | |
During active hyperemia, as the rate of metabolism increases, blood flow _____. | |
| Select the best answer | |
reactive hyperemia |
extrinsic |
increases |
resting state |
| Multiple-choice | |
The _____ maintains the pressure gradient for blood flow. | |
| Select the best answer | |
reactive hyperemia |
heart |
active hyperemia |
basal tone |
| Multiple-choice | |
The contractile state of a resistance vessel is the vessel _____. | |
| Select the best answer | |
basal tone |
reactive hyperemia |
tone |
increases |
| Multiple-choice | |
_____ is the state of partial contraction independent of metabolic and neural mechanisms. | |
| Select the best answer | |
active hyperemia |
resistance |
basal tone |
autoregulation |
| Multiple-choice | |
During active hyperemia, metabolites cause vasorelaxation and a decrease in ______. | |
| Select the best answer | |
resistance |
heart |
intrinsic |
basal tone |
