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Questions and Answers
Which division of the autonomic nervous system does ACh serve as a neurotransmitter at both preganglionic and postganglionic nerve endings?
Which division of the autonomic nervous system does ACh serve as a neurotransmitter at both preganglionic and postganglionic nerve endings?
- Sympathetic division
- Parasympathetic division
- Both sympathetic and parasympathetic divisions (correct)
- None of the above
What are the two distinct receptor types for ACh based on their ability to be bound by nicotine and muscarine?
What are the two distinct receptor types for ACh based on their ability to be bound by nicotine and muscarine?
- Alpha and beta receptors
- Dopamine and serotonin receptors
- Adrenergic and cholinergic receptors
- Nicotinic and muscarinic receptors (correct)
Which activities are regulated by the autonomic nervous system?
Which activities are regulated by the autonomic nervous system?
- Activities of the central nervous system
- Activities of smooth muscle and glandular secretions (correct)
- Activities of skeletal muscles
- Conscious activities
Where are muscarinic receptors located?
Where are muscarinic receptors located?
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Which postganglionic fibers in the sympathetic division of the autonomic nervous system use ACh as a neurotransmitter?
Which postganglionic fibers in the sympathetic division of the autonomic nervous system use ACh as a neurotransmitter?
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