Diastolic blood pressure increases in direct proportion to increased exercise intensity.
a. true
b. false
Answer: b. false
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Which of the following statements represents the activation-synthesis hypothesis proposed by Hobson and McCarley? Choose the correct option
A) Sleep is the best way to enforce isolation, so as to protect a smaller animal from bigger animals during the night. B) Sleep is an adaptation for conservation of energy, because during sleep, the body just does enough work to stay alive. C) Dreams are an unconscious way for us to express our sexual and aggressive fantasies, which are forbidden while we are awake. D) Dreams are the associations and memories of the cerebral cortex that are elicited by the random discharges of the pons during REM sleep.
Rejection of transplanted organs may be prevented by the use of _________.
a. antithyroid therapies b. sulfonylurea c. antidiabetics d. corticosteroids
In the chain of infection, the ________ is a place where a larger pool of infectious organisms survive or live in a community.
Fill in the blank(s) with the appropriate word(s).
Drugs that have a calming effect are called sedatives.
Answer the following statement true (T) or false (F)