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The structure of autonomic ganglia can be characterized as


A) mainly convergent, with many preganglionic fibers innervating each ganglionic neuron.
B) mainly divergent, with each preganglionic fiber innervating many ganglionic neurons.
C) both convergent and divergent.
D) direct, with each preganglionic fiber innervating a single ganglionic neuron.
E) unknown, since the fibers are too entangled to map their connections.

F) B) and D)
G) A) and C)

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Activation of muscarinic ACh receptors causes M-channels to


A) open, allowing an influx of potassium.
B) open, allowing an influx of sodium.
C) open, allowing an efflux of potassium.
D) close, reducing the efflux of potassium.
E) close, reducing the influx of sodium.

F) B) and C)
G) A) and E)

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