Which of the Following Is an Effect of Parasympathetic Activity

question 35

Multiple Choice

Which of the following is an effect of parasympathetic activity to the heart?

• A)cAMP is activated.
• B)Heart rate is increased.
• C)Postganglionic neurons release acetylcholine, which binds to nicotinic cholinergic receptors in the SA node.
• D)SA nodal cells are depolarized.
• E)The rate of spontaneous depolarization in SA nodal cells decreases.

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