Physiology Which of the following would cause a decrease in stroke volume, when compared with the normal resting value? A Reduction in afterload B An increase in end-diastolic pressure C Stimulation of the vagus nerves D Electrical pacing to a hea rateof 200 beats/min 💡 Explanation Which of the following would cause a decrease in stroke volume, when compared with the normal resting value? ✓ Correct Answer: D. Electrical pacing to a hea rateof 200 beats/min