Psychopharm Exam 1 Questions and
Answers 100% Solved | Graded A+
A serotonin molecule binds to a 5HT2A receptor causing electrical
impulses to be sent down a GABA neuron's axon terminal, eventually
releasing GABA to the GABA-A receptor of its postsynaptic neuron. Which
type of neurotransmission does this describe?
A. Classic synaptic neurotransmission
B. Retrograde neurotransmission
C. Volume neurotransmission
D. Signal transduction cascade - ✔✔A. Classic synaptic neurotransmission
Communication between human CNS neurons at synapses is:
A. Chemical
B. Electrical - ✔✔A. Chemical
The direct role of transcription factors is to:
A. Cause neurotransmitter release
B. Influence gene expression
C. Synthesize enzymes
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D. Trigger signal transduction cascades - ✔✔B. Influence gene expression
What is epigenetics?
A. Acquired trait resulting from a change in DNA sequence
B. Acquired trait resulting from a change in gene expression
C. Heritable trait resulting from a change in DNA sequence
D. Heritable trait resulting from a change in gene expression - ✔✔D.
Heritable trait resulting from a change in gene expression
Presynaptic reuptake transporters are a major method of inactivation for
which of the following?
A. Serotonin
B. Serotonin, dopamine
C. Serotonin, dopamine, norepinephrine
D. None of the above. - ✔✔C. Serotonin, dopamine, norepinephrine
What is constitutive activity?
A. Signal transduction when an agonist is bound to the receptor
B. Signal transduction when an antagonist to the receptor
C. Signal transduction when an inverse agonist is bound to the receptor