1. A neurotransmitter of the sympathetic division of the nervous system that increases the heart rate and constricts smooth muscle in blood vessels to raise blood pressure in the "fight or flight" response is called A: Epinephrine B: Aldosterone C: Melatonin D: Prolactin 2. The immune response can detect and destroy all except which of the following? A: Bacteria, viruses, protozoa, and other microorganisms B: Disease-causing fungi or yeasts C: Cancer cells D: Autoimmune disorders