Describe the sites and actions of the cardioinhibitory and cardioacceleratory centers.
A)The cardioacceleratory center in the medulla oblongata activates sympathetic neurons to increase heart rate; the cardioinhibitory center in the medulla oblongata activates parasympathetic neurons that slow heart rate.
B)The cardioacceleratory center in the medulla oblongata activates parasympathetic neurons to increase heart rate; the cardioinhibitory center in the medulla oblongata activates sympathetic neurons that slow heart rate.
C)The cardioacceleratory center in the medulla oblongata activates sympathetic neurons to slow heart rate; the cardioinhibitory center in the medulla oblongata activates parasympathetic neurons that increase heart rate.
D)The cardioacceleratory center in the medulla oblongata activates parasympathetic neurons to slow heart rate; the cardioinhibitory center in the medulla oblongata activates sympathetic neurons that increase heart rate.
E)The cardioacceleratory center in the medulla oblongata activates somatic neurons to slow heart rate; the cardioinhibitory center in the medulla oblongata activates somatic neurons that increase heart rate.

Question

Quizplus · Accepted Answer

The cardioacceleratory center in the medulla oblongata activates sympathetic neurons to increase heart rate, while the cardioinhibitory center in the medulla oblongata activates parasympathetic neurons that slow heart rate. This is the correct description of the sites and actions of these centers.

Describe the Sites and Actions of the Cardioinhibitory and Cardioacceleratory