Which of the following statements are incorrect w.r.t. regulation of cardiac activity?
A. Neural signals through the sympathetic nerves can increase the rate of heart beat and cardiac output.
B. Parasympathetic neural signals decrease the speed of conduction of cardiac impulse, so stroke volume is increased.
C. Sympathetic nervous system increases the strength of ventricular contraction and stroke volume is same.
D. Parasympathetic nervous system decreases the heart rate, cardiac output and stroke volume. Incorrect statements are

Options

A. B and C
B. C and D
C. A and C
D. B and D

Answer

A