NVCC PSY 200-E43L Exam 1 2026-2027 Newest Exam
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What is dopamine? - ANSWER-dopamine is a
neurotransmitter that regulates motor behavior. motivation,
pleasure, and emotional arousal
What is an endorphin? - ANSWER-endorphin is a
neurotransmitter that dulls pain and elevates mood when
body is pushed to painful limits...runners high
how can drugs interfere with neurotransmitters? -
ANSWER-They mimic an increase the function of
neurotransmitters
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What is external validity? - ANSWER-Allows us to
generalize to the real world
What is the cell body? - ANSWER-The part of the neuron
that coordinates information, processes tasks and keeps
the cell alive
What is a dendrite? - ANSWER-Branch like extensions of
the neuron that receives information from other neurons
and relays them to the cell body
What is an axon? - ANSWER-Part of a neuron that carries
information to other neurons muscles and glands
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What is the path of transmission in a neuron? - ANSWER-
Dendrite--cell body---axon
What are myelin sheaths? - ANSWER-Insulated layer of
fatty material that covers axons. They facilitate the
conduction of action potential
What are nodes of ranvier? - ANSWER-Gaps between
myelin that causes the charge to seem to jump from node
to node making it faster
What are terminal buttons? - ANSWER-knob like
structures that branch off from an axon