16 Questions
What is the function of neurons in the CNS?
To receive, process, and transmit information to other cells in the body
What defines the space into which neurotransmitters are released?
The synapse
What is required for synaptic signaling to occur?
Neurotransmitters released from neurons
Which part of the neuron is responsible for synthesizing most cell-specific proteins?
Cell body (soma)
How do neurons communicate and exchange information?
Through a combination of electrical and chemical signals
Which neurotransmitter is recognized as primary excitatory?
Glutamate
Which neurotransmitters are considered primary inhibitory neurotransmitters?
Serotonin and GABA
Which neurotransmitter is most implicated in the etiology of ADHD and in response to treatment?
Dopamine
Which major type of neuron receptor do most psychotropic medications act on?
Metabotropic receptors
What is the primary function of the Limbic system?
Linking visceral states and emotion to cognition and behavior
Regarding cytochrome P450, which statement is true?
The CYP system in the gut wall or liver converts the drug into a biotransformed product in the bloodstream.
Which cytochrome P450 family of enzymes is most involved in hepatic metabolism of many psychotropic drugs?
CYP3A
What best describes a ligand?
A small molecule that binds to a particular receptor site
What best describes a ligand-gated ion channel?
Ion channels linked to receptors that regulate their opening or closing
Which of the following is not part of pharmacokinetics?
"Drug dispensing"
What is the Substance P neuropeptide responsible for?
Mediating pain perception
Test your knowledge of neurotransmitters and synaptic signaling in the central nervous system with this quiz. Questions cover the function of neurotransmitters, the space into which they are released, and the requirements for synaptic signaling.
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