When Reviewing the Purpose/action of Neurotransmitters as They Interact with Different

Multiple Choice

When reviewing the purpose/action of neurotransmitters as they interact with different receptors, the nursing instructor gives an example using acetylcholine. When acetylcholine is released at the sinoatrial node in the right atrium of the heart, it is

A) positively charged.
B) inhibitory.
C) overstimulated.
D) dormant.