The regulation of awake-asleep cycles appears to involve an interplay between brain stem nuclei that use different neurotransmitters. The one that favors alertness is ________ and the other promoting deep sleep is ________
A) acetylcholine; serotonin
B) serotonin; norepinephrine
C) norepinephrine; serotonin
D) dopamine; GABA
E) glutamate; serotonin
C
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You are giving a tap water enema to a patient. An adverse effect of the tap water enema is water intoxication. Explain.
What will be an ideal response?
Neurons have
A) a cell body and collagen fibers. B) connective tissue membranes surrounding them. C) striations and intercalated discs within their cell body. D) cilia along their cell membranes. E) a cell body, dendrites, and an axon.
To sustain life, the internal environment must be maintained in an absolutely unchanging state
Indicate whether the statement is true or false
Because lipids are nonpolar, they must be wrapped by other molecules to be transported through the blood. This combined molecule is known as a ________.
Fill in the blank(s) with the appropriate word(s).