What neurotransmitter primarily activates α1 adrenergic receptors?
Understand the Problem
The question is asking which neurotransmitter is responsible for activating α1 adrenergic receptors, indicating a focus on neurobiology and the functioning of the nervous system.
Answer
Norepinephrine.
The final answer is norepinephrine.
Answer for screen readers
The final answer is norepinephrine.
More Information
α1-adrenergic receptors are mainly activated by norepinephrine, which plays a significant role in the sympathetic nervous system and in regulating blood pressure through vasoconstriction.
Tips
A common mistake is confusing the primary activator norepinephrine with epinephrine, which also activates these receptors but is more prominent in stressful situations.
Sources
- Alpha-1 adrenergic receptor - Wikipedia - en.wikipedia.org
- Alpha-Adrenergic Receptors - StatPearls - NCBI Bookshelf - ncbi.nlm.nih.gov
- Alpha Adrenergic Receptor - an overview | ScienceDirect Topics - sciencedirect.com
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