HESI RN
HESI Pharmacology Practice Exam
1. Nalidixic acid (NegGram) is prescribed for a client with a urinary tract infection. On review of the client's record, the nurse notes that the client is taking warfarin sodium (Coumadin) daily. Which prescription should the nurse anticipate for this client?
- A. Discontinuation of warfarin sodium (Coumadin)
- B. A decrease in the warfarin sodium (Coumadin) dosage
- C. An increase in the warfarin sodium (Coumadin) dosage
- D. A decrease in the usual dose of nalidixic acid (NegGram)
Correct answer: B
Rationale: Nalidixic acid can intensify the effects of oral anticoagulants by displacing these agents from binding sites on plasma proteins. When an oral anticoagulant, like warfarin sodium (Coumadin), is combined with nalidixic acid, a decrease in the anticoagulant dosage may be necessary to avoid excessive anticoagulation and potential bleeding risks. Therefore, the correct action for the nurse to anticipate in this situation is a decrease in the warfarin sodium (Coumadin) dosage. Choice A is incorrect because discontinuing warfarin sodium abruptly can lead to thrombosis or embolism. Choice C is incorrect as increasing the warfarin sodium dosage can potentiate the anticoagulant effect, leading to bleeding complications. Choice D is incorrect as reducing the dose of nalidixic acid would not directly address the interaction with warfarin sodium.
2. Colcrys (colchicine) is prescribed for a client with a diagnosis of gout. The nurse reviews the client's medical history in the health record, knowing that the medication would be contraindicated in which disorder?
- A. Myxedema
- B. Renal failure
- C. Hypothyroidism
- D. Diabetes mellitus
Correct answer: B
Rationale: Colchicine is contraindicated in clients with severe gastrointestinal, renal, hepatic, or cardiac disorders, or blood dyscrasias. Renal failure is a condition where the kidneys fail to function adequately, leading to the accumulation of toxins in the body. Since colchicine is contraindicated in clients with renal disorders, including renal failure, it could exacerbate the condition and worsen the client's health. Myxedema, hypothyroidism, and diabetes mellitus are not contraindications for colchicine use. While these conditions may require caution or monitoring when administering colchicine, they are not absolute contraindications like renal failure.
3. A client who received a kidney transplant is taking azathioprine (Imuran), and the nurse provides instructions about the medication. Which statement by the client indicates a need for further instructions?
- A. I need to watch for signs of infection.
- B. I need to discontinue the medication after 14 days of use.
- C. I can take the medication with meals to minimize nausea.
- D. I need to call the health care provider (HCP) if more than one dose is missed.
Correct answer: B
Rationale: Azathioprine is an immunosuppressant taken for life. Discontinuing the medication after 14 days is incorrect.
4. Alendronate (Fosamax) is prescribed for a client with osteoporosis. The client taking this medication is instructed to:
- A. Take the medication at bedtime.
- B. Take the medication in the morning with breakfast.
- C. Lie down for 30 minutes after taking the medication.
- D. Take the medication with a full glass of water after rising in the morning.
Correct answer: D
Rationale: Alendronate (Fosamax) should be taken with a full glass of water after rising in the morning to prevent gastrointestinal side effects and increase absorption. Taking the medication with a full glass of water and in an upright position after waking up helps decrease the risk of esophageal irritation and enhances the drug's effectiveness by ensuring proper absorption in the gastrointestinal tract.
5. The clinic nurse is reviewing a teaching plan for a client receiving antineoplastic medication. When implementing the plan, the nurse should advise the client:
- A. To take aspirin (acetylsalicylic acid) as needed for a headache
- B. To avoid drinking beverages containing alcohol
- C. To consult with healthcare providers (HCPs) before receiving immunizations
- D. That it is necessary to consult HCPs before receiving a flu vaccine at the local health fair
Correct answer: C
Rationale: The correct advice for a client receiving antineoplastic medication is to consult with healthcare providers (HCPs) before receiving immunizations. Antineoplastic medications can lower the body's resistance, making it crucial to seek guidance from healthcare providers to prevent potential complications that may arise due to the medication's impact on the immune system. Choices A, B, and D are incorrect because taking aspirin for a headache, avoiding alcohol, and consulting only before a flu vaccine at a local health fair do not directly address the specific risk related to antineoplastic medications and immunizations.
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