1. While taking a client's history, the practical nurse (PN) discovers that the client, who takes Coumadin daily, has added a ginger supplement on the advice of a friend. What comment is critical for the PN to provide to this client?: Answer: "Your health care provider is interested in all medications and herbs you take." 2. A client with diabetes mellitus takes insulin daily and is prescribed propranolol (Inderal). Which information should the nurse provide to this client?: Answer: A sign of hypoglycemia is that propranolol slows a rapid heart rate. 3. A client has a positive skin test for tuberculosis. What prophylactic drug should the practical nurse (PN) expect to be prescribed for this client?: Answer: Isoniazid (INH) 4. Amitriptyline hydrochloride (Elavil) is prescribed for an adult female client who is clinically depressed. Five days after beginning the drug, the client is admitted to the hospital because of suicide ideation. She tells the practical nurse (PN) that the drug is not working because she is not feeling any better. Which explanation should the PN provide?: Answer: "It takes 2 to 4 weeks for antidepr