Some Neurons in the Vagus Nerve Have Synaptic Connections to Sinoatrial

Multiple Choice

Some neurons in the vagus nerve have synaptic connections to sinoatrial (pacemaker) cells in the heart. These neurons secrete acetylcholine, which ultimately results in a decreased heart rate. This is an example of

A) endocrine control
B) exocrine control
C) hormonal control
D) neural control
E) paracrine control