Which of the Following Is NOT an Effect of Sympathetic

question 63

Multiple Choice

Which of the following is NOT an effect of sympathetic stimulation of the heart?

• A) an increase in heart rate
• B) a decrease in the duration of systole
• C) a decrease in the slope of the pacemaker potential
• D) an increase in the amount of Ca²⁺ entering cardiac muscle cells
• E) an increase in the rate of cross-bridge cycling in ventricular muscle cells

---

Definitions:

Clinical Conditioning

Clinical conditioning involves the application of classical conditioning principles in therapeutic settings to modify behaviors.

Stimulus

Any internal or external event or situation that influences an individual's response or reaction.

Routine

A sequence of actions regularly followed; a fixed program.

Ritual

A set of fixed actions and sometimes words performed regularly, especially as part of a ceremony or for its symbolic value.