While Monitoring a Patient's Cardiac Activity,the Nurse Recognizes That Stimulation

While monitoring a patient's cardiac activity,the nurse recognizes that stimulation of which of the following is a normal physiological mechanism responsible for an increase in heart rate (HR) and force of cardiac contractions?

A) The vagus nerve
B) Baroreceptors in the aortic arch and carotid sinus
C) (?) -Adrenergic receptors in the vascular system
D) Chemoreceptors in the aortic arch and carotid body