Which of These Statements Correctly Describes Neuropeptides

question 348

Multiple Choice

Which of these statements correctly describes neuropeptides?

• A)They are sometimes cosecreted along with classical neurotransmitters.
• B)They are synthesized in the cytosol of the axon terminal.
• C) They act at the subsynaptic membrane of the postsynaptic neuron.
• D) They usually alter the potential of postsynaptic cells by opening specific ion channels.

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Definitions:

Discriminative Stimulus

A stimulus that signals when a particular response is likely to be followed by a certain type of consequence.

Extinguished Stimulus

A stimulus that previously elicited a response but no longer does so after the process of extinction in conditioning.

Neutral Stimulus

In classical conditioning, a stimulus that initially produces no specific response other than focusing attention, until it is associated with an unconditioned stimulus.

Stimulus Discrimination

The learned ability to differentiate between two similar stimuli based on differences in their significance or meaning.