Ch 18-21 Ticket to Class 1. Beta 1 receptors are located primarily in the... Answer: Located primarily in the heart 2. Name 1 vasoactive adrenergic drug Answer: Epinephrine 3. Name 1 indication for alpha blockers Answer: Used to treat hypertension 4. Most common side effect of alpha 1 blocker Answer: Dizziness 5. What does SLUDGE stand for? Answer: Salivation, lacrimation, urinary incontinence, diarrhea, GI cramps, and emesis. 6. How do we treat cholinergic crisis? Answer: Atropine 7. Name 1 adverse effect of anticholinergic Answer: Urinary retention.