1) Nicotinic and muscarinic receptors are classified as: A) cholinergic receptors. B) ligand-gated ion channels. C) cholinergic receptors. D) adrenergic receptors. E) More than 1 above correct. 2) Choose the correct statement about the neurotransmitters released by the autonomic nervous system A) The sympathetic preganglionic neuron releases adrenaline onto adrenergic receptors B) The parasympathetic postganglionic neuron releases acetylcholine onto muscarinic receptors C) The sympathetic preganglionic neuron releases acetylcholine onto nicotinic receptors D) The parasympathetic postganglionic neuron releases norepinephrine. E) None above correct.
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Step 1: Nicotinic and muscarinic receptors are both types of cholinergic receptors. Show more…
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9. Answer the following questions concerning the receptors of neurotransmitters in the ANS. (a) What two receptors receive ACh? (b) Where are each of those two receptors found? (c) What two receptors receive NE? (d) What do you consider the major difference between the two NE receptors? (e) Would you guess that a preganglionic neuron (sympathetic or parasympathetic) has receptors for neurotransmitters? Explain.
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Nicotinic cholinergic receptors are found at all of the following locations EXCEPT? A. Sympathetic ganglia B. Parasympathetic ganglia C. All parasympathetic effectors D. In the CNS E. Neuromuscular junctions with skeletal muscle
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