___ refers to chronically high blood pressure -
above ___.
a. Hypertension...140/90
b. Hypertension...120/80
c. Atherosclerosis...140/90
d. Atherosclerosis...120/80
e. Hypertension...160/90
A
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Indicate whether the statement is true or false.
Why are vasodilation and vasoconstriction the main mechanisms to change blood flow?
A. Sympathetic activation has no effect on blood flow. B. Leakage of fluids from the capillaries has no effect on blood flow. C. Blood hematocrit has no effect on blood flow. D. Blood vessel length is relatively fixed and has no effect on blood flow.
Which term describes an animal whose behavior is tied to phases of the moon?
a. diurnal b. lunar c. parasitic d. reptilian e. nocturnal
In mammals, advanced cognition is usually correlated with a large and very convoluted neocortex, but birds are capable of sophisticated cognition because they have _____
A) a more advanced cerebellum B) a cerebellum with several flat layers C) a pallium with neurons clustered into nuclei D) microvilli to increase the brain's surface area