Psychopharm Quiz #1: Neurotransmitters and Synaptic Signaling

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What is the function of neurons in the CNS?

To regulate body temperature

To receive, process, and transmit information to other cells in the body (correct)

To produce hormones for the body

To store long-term memories

What defines the space into which neurotransmitters are released?

The axon

The cell body

The synapse (correct)

The dendrites

What is required for synaptic signaling to occur?

Neurotransmitters released from glial cells

Neurotransmitters released from neurons (correct)

Chemical signals released from muscles

Hormones released from endocrine glands

Which part of the neuron is responsible for synthesizing most cell-specific proteins?

Cell body (soma) Signup and view all the answers

How do neurons communicate and exchange information?

Through a combination of electrical and chemical signals Signup and view all the answers

Which neurotransmitter is recognized as primary excitatory?

Glutamate Signup and view all the answers

Which neurotransmitters are considered primary inhibitory neurotransmitters?

Serotonin and GABA Signup and view all the answers

Which neurotransmitter is most implicated in the etiology of ADHD and in response to treatment?

Dopamine Signup and view all the answers

Which major type of neuron receptor do most psychotropic medications act on?

Metabotropic receptors Signup and view all the answers

What is the primary function of the Limbic system?

Linking visceral states and emotion to cognition and behavior Signup and view all the answers

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. Signup and view all the answers

Which cytochrome P450 family of enzymes is most involved in hepatic metabolism of many psychotropic drugs?

CYP3A Signup and view all the answers

What best describes a ligand?

A small molecule that binds to a particular receptor site Signup and view all the answers

What best describes a ligand-gated ion channel?

Ion channels linked to receptors that regulate their opening or closing Signup and view all the answers

Which of the following is not part of pharmacokinetics?

"Drug dispensing" Signup and view all the answers

What is the Substance P neuropeptide responsible for?

Mediating pain perception Signup and view all the answers

Psychopharm Quiz #1: Neurotransmitters and Synaptic Signaling

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