Answer to Question 1
ANS: A, B, C, E
OTC drugs can increase the effect of a prescribed drug, interfere with the efficacy of a prescribed drug, mask symptoms of primary diseases, and cause overdose. The fact that OTC drugs are easily obtained is a benefit, not a hazard, unless abused.
Answer to Question 2
ANS: A, B, D
Hiding a dose of drug in a food serving that the patient had previously refused is unethical. Delegating the administration of a drug to a nonqualified person is illegal, and because there is no guarantee the entire serving of food will be consumed, the intended dose may not be delivered.