Which of these nerves to the heart alters cardiac output by increasing heart rate and contractility
A)motor
B)sensory
C)sympathetic
D)parasympathetic

Question

Quizplus · Accepted Answer

The sympathetic nerve fibers alter cardiac output by increasing heart rate and contractility through their effects on the SA node and ventricular muscle. This response is crucial for the body's fight or flight response during times of stress or danger.

Which of These Nerves to the Heart Alters Cardiac Output