HESI RN
HESI Pharmacology Practice Exam
1. A client is receiving furosemide (Lasix) and is being discharged. What should the nurse include in the teaching plan?
- A. Consume potassium-rich foods.
 - B. Take the medication in the morning.
 - C. Change positions slowly to prevent dizziness.
 - D. Maintain an adequate fluid intake.
 
Correct answer: C
Rationale: The correct answer is to instruct the client to change positions slowly to prevent dizziness. Furosemide (Lasix) is a diuretic that can lead to orthostatic hypotension, causing dizziness. Consuming potassium-rich foods is essential to prevent hypokalemia when taking furosemide. Taking the medication in the morning helps reduce the need for frequent urination at night. Encouraging the client to maintain an adequate fluid intake is crucial to prevent dehydration while on this medication.
2. Before administering Methylergonovine (Methergine) to a client with postpartum hemorrhage caused by uterine atony, the nurse checks which of the following as the important client parameter?
- A. Temperature
 - B. Lochial flow
 - C. Urine output
 - D. Blood pressure
 
Correct answer: D
Rationale: Methylergonovine (Methergine) acts by stimulating uterine contractions and causing vasoconstriction. As vasoconstriction can potentially impact blood pressure, it is crucial to check the client's blood pressure before administering Methylergonovine to monitor for any hypertensive effects.
3. A client has been prescribed cyclosporine (Sandimmune). Which food item should the client avoid based on the medication's interaction?
- A. Red meats
 - B. Orange juice
 - C. Grapefruit juice
 - D. Green, leafy vegetables
 
Correct answer: C
Rationale: Grapefruit juice should be avoided when taking cyclosporine because it inhibits the metabolism of the medication, leading to increased blood levels and a higher risk of toxicity. It is important for the client to follow this dietary instruction to ensure the safe and effective use of cyclosporine.
4. A client is prescribed metronidazole (Flagyl) for a trichomoniasis infection. Which of the following should the nurse include in the teaching plan?
- A. Avoid consuming alcohol while taking this medication.
 - B. Take the medication with food.
 - C. Increase fluid intake to prevent kidney stones.
 - D. Report any gastrointestinal upset to the healthcare provider.
 
Correct answer: A
Rationale: The correct answer is A. Metronidazole (Flagyl) can cause a disulfiram-like reaction when taken with alcohol, resulting in severe nausea, vomiting, and headache. Therefore, the client should be advised to avoid alcohol while taking this medication to prevent adverse effects. Avoiding alcohol is crucial to prevent these reactions and ensure the effectiveness of the treatment. The other options are not directly related to the specific medication or the condition being treated.
5. Which laboratory test should the nurse monitor to determine the effectiveness of heparin therapy for a client with deep vein thrombosis?
- A. Platelet count
 - B. Prothrombin time (PT)
 - C. Activated partial thromboplastin time (aPTT)
 - D. Hemoglobin and hematocrit
 
Correct answer: C
Rationale: The activated partial thromboplastin time (aPTT) is the specific laboratory test used to monitor the effectiveness of heparin therapy in patients with deep vein thrombosis. It measures the time it takes for blood to clot and is crucial in assessing the therapeutic range of heparin. Platelet count, prothrombin time (PT), and hemoglobin and hematocrit levels are important parameters in assessing coagulation and blood status but do not directly indicate the effectiveness of heparin therapy.
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