A beta blocker is prescribed for a patient with angina. The nurse reviews the orders for other drugs that may interact with the beta blocker. Which drugs or drug classes are known to have an interaction with a beta blocker? Select all that apply. A. Diuretics
B. Anticholinergics
C. Penicillins
D. Oral hypoglycemics
E. Alcohol
F. Anticoagulants