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February 01, 2009
Chemical Messengers
Expires March 01, 2015
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CME Activity

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Sample questions:
1.
Acetylcholine (ACh) acts through a family of muscarinic ACh receptors. Which muscarinic (M) receptor is the most abundant receptor in the neocortex and hippocampus tissue?
2.
Which of the following is the major excitatory neurotransmitter in the human brain?
3.
The family of serotonin receptors is separated into seven subgroups based on their sequence identities and related functions, with no fewer than 14 individual receptors. Which of the following receptors are decreased by 10% or more per decade in elderly people as compared to young subjects?