What Class of Sensory Receptors Directly Affects the Activity of the Cardiac

Multiple Choice

What class of sensory receptors directly affects the activity of the cardiac center in the medulla oblongata?

A) sensory cells in the juxtaglomerular apparati of the kidneys
B) blood glucose sensors in the pancreas
C) blood pH chemoreceptors in the aortic and carotid bodies
D) baroreceptors in the arch of the aorta and in the carotid arteries