HESI LPN
Pharmacology HESI Practice
1. A client with a diagnosis of schizophrenia is prescribed clozapine. The nurse should monitor the client for which potential side effect?
- A. Agranulocytosis
- B. Dry mouth
- C. Weight gain
- D. Hypersalivation
Correct answer: A
Rationale: The correct answer is Agranulocytosis. Clozapine is known to potentially cause agranulocytosis, a serious condition characterized by a dangerously low white blood cell count. Monitoring white blood cell counts is crucial to detect this side effect early and prevent complications. Choices B, C, and D are incorrect because dry mouth, weight gain, and hypersalivation are not typically associated with clozapine use. While dry mouth can be a common side effect of some antipsychotic medications, it is not specifically linked to clozapine. Weight gain can occur with certain antipsychotics, but clozapine is more commonly associated with metabolic side effects. Hypersalivation is not a common side effect of clozapine.
2. A client who is recovering from an appendectomy is receiving narcotics. Earlier, the nurse witnessed the client's family pushing the pain pump. What should the nurse implement?
- A. Check the client's level of consciousness
- B. Instruct the family not to push the button
- C. Stop the client's basal infusion
- D. Administer a narcotic reversal medication
Correct answer: B
Rationale: Instructing the family not to push the button is necessary to prevent the client from receiving an excessive amount of narcotics, ensuring the safe and appropriate use of the pain pump. Checking the client's level of consciousness may not address the issue of family members pushing the button. Stopping the client's basal infusion is not indicated unless there are specific medical reasons for doing so. Administering a narcotic reversal medication is not necessary at this point as the issue lies with inappropriate use rather than an overdose.
3. A client with a history of stroke is prescribed clopidogrel. The nurse should monitor the client for which potential side effect?
- A. Bleeding
- B. Bruising
- C. Nausea
- D. Headache
Correct answer: A
Rationale: Clopidogrel is an antiplatelet medication that works to prevent blood clots, but it can also increase the risk of bleeding. Therefore, the nurse should monitor the client for signs of bleeding, such as easy bruising, prolonged bleeding from cuts, blood in urine or stool, or unusual bleeding from the gums. Prompt identification and management of bleeding are crucial to prevent complications. Choices B, C, and D are incorrect because while bruising and other symptoms can occur as a result of bleeding, they are not the primary side effect to monitor for with clopidogrel. Nausea and headache are less commonly associated with clopidogrel use compared to bleeding.
4. When planning to administer the antiulcer GI agent sucralfate, what instruction should the nurse provide regarding administration?
- A. Administer sucralfate once a day
- B. Assess for secondary candida infection
- C. Monitor electrolyte imbalance
- D. Give sucralfate on an empty stomach
Correct answer: D
Rationale: Sucralfate is most effective when taken on an empty stomach. This allows the medication to form a protective layer over the ulcer, promoting healing and symptom relief. Administering sucralfate with or after meals may reduce its efficacy as it may bind to food instead of coating the ulcer site.
5. A client with a history of hypertension is prescribed hydrochlorothiazide. The practical nurse should monitor the client for which potential adverse effect?
- A. Hyperkalemia
- B. Hypokalemia
- C. Hypernatremia
- D. Hyponatremia
Correct answer: B
Rationale: Corrected Rationale: Hydrochlorothiazide is a diuretic that can lead to potassium loss, resulting in hypokalemia. Monitoring for hypokalemia is essential because it can cause various complications such as cardiac dysrhythmias. Therefore, the practical nurse should closely watch for signs and symptoms of low potassium levels in clients taking hydrochlorothiazide. Incorrect Rationale for Other Choices: A. Hyperkalemia is not typically associated with hydrochlorothiazide use; instead, it is more commonly linked to medications like ACE inhibitors or potassium-sparing diuretics. C. Hypernatremia is unlikely with hydrochlorothiazide use as it tends to cause sodium loss. D. Hyponatremia is more commonly associated with conditions where there is excessive water intake or syndrome of inappropriate antidiuretic hormone secretion (SIADH), rather than with hydrochlorothiazide use.
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