A client has a positive skin test for tuberculosis. Which prophylactic drug should the nurse expect to administer to this client? A.Isoniazid B.Carvedilol C.Acyclovir D.Griseofulvin A {Ans: Rationale:Isoniazid is the drug of choice for treatment of clients with positive skin tests for tuberculosis. Options B, C, and D are not the drugs used for treatment of TB.}A client with viral influenza is receiving vitamin C, 3000 mg PO daily, and acetaminophen elixir, 650 mg PO every 4 hours PRN. The nurse calls the health care provider to report that the client has developed diarrhea. Which change in prescriptions should the nurse anticipate? A.Change the acetaminophen to ibuprofen. B.Change the elixir to an injectable route. C.Decrease the dose of vitamin C. D.Begin treatment with an antibiotic. C {Ans: Diarrhea is an adverse effect of high doses of vitamin C, so the nurse should anticipate a reduction in the dose of vitamin C. Acetaminophen does not cause diarrhea and is not available in an injectable form. Because the client has a viral infection, option D will not be beneficial.}The nurse has completed diabetic teaching for a client who was newly diagnosed with diabetes mellitus. Which statement by this client would