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Questions and Answers
What is the role of NE after it diffuses through the synapse?
What is the role of NE after it diffuses through the synapse?
- To be released into the synapse
- To undergo storage within adrenergic cells
- To trigger a biochemical cascade resulting in physiologic response
- To bind reversibly to adrenoceptors on the effecter cells (correct)
What is the initial step in the biosynthesis of NE?
What is the initial step in the biosynthesis of NE?
- Active transport of L-tyrosine into adrenergic cell (correct)
- Binding of NE to adrenoceptors
- Release of NE into the synapse
- Diffusion of NE through the synapse
What triggers the biochemical cascade in effecter cells?
What triggers the biochemical cascade in effecter cells?
- Binding of NE to adrenoceptors (correct)
- Release of NE into the synapse
- Storage of NE within adrenergic cells
- Diffusion of NE through the synapse
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