ATI Pharmacology End of Chapter 47
5. A nurse is teaching a client who has active tuberculosis about his treatment regimen. The client asks why he must take four different medications. Which of the following replies by the nurse is appropriate? "Taking multiple antituberculosis medications a. decreases the chance for a severe allergic reaction to any of the medications." b. reduces the chance that the TB bacteria will become resistant to the medications." c. minimizes the chance of adverse effects caused by any of the medications." d. lessens the chance that you will have a positive tuberculin test indefinitely."
Answer is B (If the client took only one medication to treat active tuberculosis, resistance to the medication would occur quickly. Taking three or four different medications decreases the possibility of resistance)
1. A nurse is caring for a client who has diabetes mellitus and pulmonary tuberculosis and has a new prescription for isoniazid (INH). Which of the following supplements should the nurse expect to administer to prevent an adverse effect of INH? a. Ascorbic acid b. Pyridoxine c. Folic acid d. Cyanocobalamin
Answer is B (Pyridoxine (vitamin B6) is frequently prescribed along with INH to prevent peripheral neuropathy for clients who have increased risk factors such as diabetes mellitus or alcohol use disorder)
4. A nurse is teaching a client who is beginning a course of metronidazole to treat an infection. For which of the following adverse effects should the nurse teach the client to stop taking metronidazole and notify the provider? a. Metallic taste b. Nausea c. Ataxia d. Dark-colored urine
Answer is C (Ataxia, tremors, paresthesias of the extremities, and seizures are manifestations of CNS toxicity. The client should stop taking the medication and notify the provider if any of these effects occur)
3. A nurse is administering IV amphotericin B to a client who has a systemic fungal infection. The nurse should monitor which of the following laboratory values? (select all that apply) a. Blood glucose b. Serum amylase c. Serum potassium d. Hematocrit e. Serum creatinine
Answer is C (Hypokalemia is a serious adverse effect of amphotericin B. The nurse should monitor serum potassium values for hypokalemia) D (Amphotericin B can cause bone marrow suppression. Hematocrit and platelet count should be monitored periodically. E (Amphotericin B can cause nephrotoxicity. Kidney function (with sodium creatinine, BUN, creatinine clearance) should be monitored)