Matching: select the correct answer by indicating that a given phrase describes either (S) the sympathetic component, (P) the parasympathetic component, (B) both the sympathetic and parasympathetic components, or (N) neither the sympathetic or parasympathetic components of the autonomic nervous system. 1. Innervates the kidneys
2. Long cholinergic preganglionic fibers
3. Adrenergic receptors
4. Nicotinic receptors
5. Innervates smooth muscles in arterioles
6. Muscarinic receptors
7. Innervates skeletal muscle
8. Decreased atrial contractility
9. Mydriasis
10. Acetylcholine as a neurotransmitter

Explanation:

1. Innervates the kidneys: sympathetic

2. Long cholinergic preganglionic fibers: Both sympathetic and parasympathetic

3. Adrenergic receptors: both sympathetic and parasympathetic

4. Nicotinic receptors: Both sympathetic and parasympathetic

5. Innervates smooth muscles in arterioles: both sympathetic and parasympathetic

6. Muscarinic receptors: Both sympathetic and parasympathetic

7. Innervates skeletal muscle: sympathetic

8. Decreased atrial contractility: parasympathetic

9. Mydriasis: parasympathetic

10. Acetylcholine as a neurotransmitter: Both sympathetic and parasympathetic

b.

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