Neurons fire
Table of contents
- 1. Introduction to Psychology1h 43m
- 2. Psychology Research2h 20m
- 3. Biological Psychology2h 41m
- 4. Sensation and Perception28m
- 5. Consciousness and Sleep32m
- 6. Learning1h 26m
- 7. Memory34m
- 8. Cognition37m
- 9. Emotion and Motivation35m
- 10. Developmental Psychology1h 20m
- 11. Personality1h 17m
- 12. Social Psychology1h 18m
- 13. Stress and Health41m
- 14. Psychological Disorders1h 27m
- 15. Treatment1h 24m
3. Biological Psychology
Communication in the Nervous System
Multiple Choice
An _____ is a chemical substance that mimics or enhances the effects of a neurotransmitter.
A
excitatory neurotransmitter
B
inhibitory neurotransmitter
C
antagonist
D
agonist
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Verified step by step guidance1
Understand the role of neurotransmitters: Neurotransmitters are chemical messengers that transmit signals across a chemical synapse, such as between a neuron and a muscle cell or another neuron.
Differentiate between types of neurotransmitters: Excitatory neurotransmitters promote the generation of an electrical signal in the receiving neuron, while inhibitory neurotransmitters prevent it.
Define an agonist: An agonist is a chemical that binds to a receptor and activates the receptor to produce a biological response. It mimics or enhances the effects of a neurotransmitter.
Contrast with an antagonist: An antagonist is a substance that binds to a receptor but does not activate it, thereby blocking or dampening a biological response.
Apply the concept: In the context of the problem, identify that an agonist is the chemical substance that mimics or enhances the effects of a neurotransmitter, making it the correct answer.
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