A 39-year-old woman arrives at the emergency department after severing a major artery during a car accident. It is estimated that she has lost approximately 930 mL of blood. Her blood pressure is 86/54 mmHg. A decrease in which of the following would be expected in response to hemorrhage?
O heart rate
O angiotensin II
O total peripheral resistance
O plasma renin activity
O parasympathetic nerve activity
