HESI LPN
Pharmacology HESI Practice
1. A client with a diagnosis of bipolar disorder is prescribed oxcarbazepine. The nurse should monitor for which potential adverse effect?
- A. Hyponatremia
- B. Agranulocytosis
- C. Liver toxicity
- D. Weight gain
Correct answer: A
Rationale: The correct answer is A, Hyponatremia. Oxcarbazepine, an anticonvulsant used in bipolar disorder, can lead to hyponatremia. This is because it can cause the body to retain water, leading to a dilution of sodium levels in the blood. Monitoring sodium levels is crucial to prevent complications such as confusion, seizures, and even coma. Choices B, C, and D are incorrect. Agranulocytosis is not typically associated with oxcarbazepine use. Liver toxicity is a potential adverse effect of some medications but not commonly seen with oxcarbazepine. While weight gain can be a side effect of certain medications used in bipolar disorder treatment, it is not a common adverse effect of oxcarbazepine.
2. While a client is receiving the medication haloperidol, which client data would indicate to the practical nurse that the medication is therapeutic?
- A. The client has maintained consistent weight loss of 2 pounds per week.
- B. The client has demonstrated a decrease in paranoid behaviors.
- C. The client's blood pressure has remained within normal limits.
- D. The client's fasting blood glucose has remained below 120 mg/dL.
Correct answer: B
Rationale: When a client is taking haloperidol, a therapeutic response involves a decrease in symptoms such as paranoia, hallucinations, delusions, and emotional excitement. These improvements indicate that the medication is effectively managing the client's condition. Monitoring for a reduction in paranoid behaviors helps the practical nurse assess the medication's effectiveness in addressing the client's psychiatric symptoms.
3. A client with diabetes mellitus type 2 is prescribed metformin. What instruction should the nurse include in the client's teaching plan?
- A. Take this medication with meals.
- B. Avoid alcohol while taking this medication.
- C. Take this medication on an empty stomach.
- D. Report any signs of lactic acidosis to the healthcare provider.
Correct answer: A
Rationale: The correct instruction for a client prescribed metformin is to take the medication with meals. Taking metformin with meals helps to minimize gastrointestinal side effects, which are common with this medication. Choice B, avoiding alcohol, is a good practice due to the increased risk of lactic acidosis when alcohol is consumed with metformin; however, it is not the priority teaching point in this scenario. Taking metformin on an empty stomach (Choice C) is incorrect because it can increase the risk of gastrointestinal side effects. Reporting signs of lactic acidosis (Choice D) is important, but it is more related to monitoring for adverse effects rather than a primary teaching point for administration.
4. A client who is newly diagnosed with erosive esophagitis secondary to GERD experiences symptoms after taking lansoprazole PO for one full week. Which actions should the nurse take?
- A. Confirm that the client is taking the medication correctly
- B. Auscultate the client's bowel sounds and assess the apical pulse
- C. Advise the client that healing typically takes several weeks
- D. Notify the healthcare provider to consider a higher dose
Correct answer: C
Rationale: The correct action for the nurse to take in this situation is to advise the client that healing from erosive esophagitis typically takes several weeks. Providing this information helps manage the client's expectations and anxiety about treatment effectiveness. It is not necessary to confirm medication timing, assess bowel sounds, or measure the apical pulse at this point. Since symptoms persist after one week of lansoprazole, it may not be appropriate to immediately escalate to a higher dose without further assessment or guidance from the healthcare provider. Auscultating bowel sounds and assessing the apical pulse are not relevant to the client's symptoms related to erosive esophagitis and GERD.
5. A client who received a prescription for cyclosporine ophthalmic emulsion for dry eyes asks the practical nurse (PN) if it is safe to continue using artificial tears. What information should the PN provide?
- A. Avoid using artificial tears because they decrease the efficacy of cyclosporine.
- B. Discontinue the use of both products if transient blurring occurs after administration.
- C. Allow a 15-minute interval between the administration of cyclosporine and artificial tears.
- D. Discontinue the use of cyclosporine and artificial tears when tear production reaches a normal level.
Correct answer: C
Rationale: The correct answer is to allow a 15-minute interval between the administration of cyclosporine and artificial tears. Cyclosporine, an ophthalmic emulsion that increases tear production, can be used in conjunction with artificial tears as long as the products are administered 15 minutes apart. This interval helps to prevent any potential interactions between the two products and ensures optimal effectiveness of cyclosporine for treating dry eyes.
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