Use the Following Key to Mark the Most Correct Answer

Use the following key to mark the most correct answer.
-(1) heart rate after stimulation of the cardiac nerves;
(2) heart rate after stimulation of the vagus nerve
A

A) Choose A if the first item is greater than the second item.
B) Choose B if the first item is less than the second item.
C) Choose C if the first item is equal or nearly equal to the second item.