Examlex
The only way to initiate a logon in the Windows NT environment is to press the ____ keys simultaneously.
ACh Antagonist
An ACh antagonist is a type of drug that blocks the action of acetylcholine, a neurotransmitter, at its receptor sites, affecting the nervous system's functions.
ACh Agonist
A substance that mimics the action of acetylcholine, a neurotransmitter, thereby stimulating the parasympathetic nervous system.
Curare
A poisonous compound that comes from certain plants, traditionally used on arrow tips in South America for hunting; it blocks nerve impulses to muscles, causing paralysis.
Serotonin Agonist
A type of drug that activates serotonin receptors in the brain, mimicking the effects of serotonin to increase its action in the nervous system.
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