HESI LPN
HESI Pharmacology Exam Test Bank
1. A client is admitted to a long-term care facility, and the nurse and a new employee are conducting medication reconciliation. The nurse notes that oxybutynin has been prescribed. The nurse realizes the new employee understands the drug's effect if the new employee explains that this medication is prescribed to treat which condition?
- A. Pain
- B. Depression
- C. Overactive bladder
- D. Chronic anxiety
Correct answer: C
Rationale: The correct answer is C: Overactive bladder. Oxybutynin is prescribed to treat overactive bladder by reducing muscle spasms of the bladder. It is classified as an anticholinergic medication. Choices A, B, and D are incorrect. Oxycodone is an opioid used for pain management. Bupropion is an antidepressant used to treat depression. Buspirone is an anxiolytic used to manage anxiety disorders.
2. A client is prescribed an antibiotic for a urinary tract infection (UTI). What instruction should the practical nurse provide to the client to ensure the effectiveness of the medication?
- A. Take the medication with food.
- B. Increase fluid intake.
- C. Complete the full course of the medication.
- D. Avoid dairy products.
Correct answer: C
Rationale: The practical nurse should instruct the client to complete the full course of the antibiotic to ensure the infection is fully treated and to prevent the development of antibiotic resistance. Completing the full course of antibiotics helps to eradicate the infection completely and reduces the risk of bacteria developing resistance to the medication. Choices A, B, and D are not directly related to ensuring the effectiveness of the antibiotic. While taking medication with food or increasing fluid intake can be beneficial in general, the crucial instruction in this case is to complete the full course of the antibiotic.
3. What class of laxative would the nurse recommend to a patient asking about the best way to prevent constipation?
- A. Stimulant laxatives
- B. Bulk-forming laxatives
- C. Emollient laxatives
- D. Hyperosmotic laxatives
Correct answer: B
Rationale: The correct answer is B: Bulk-forming laxatives. These laxatives are recommended to prevent constipation because they work by absorbing liquid in the intestines, forming a bulky, soft stool that is easier to pass. They are safe and considered the most natural option. Stimulant laxatives (choice A) work by promoting bowel movements through intestinal contractions and are more suitable for treating occasional constipation rather than preventing it. Emollient laxatives (choice C) soften the stool by increasing the incorporation of water into the feces and are more suitable for patients who need to avoid straining during defecation. Hyperosmotic laxatives (choice D) work by drawing water into the intestine through osmosis and are typically used for more severe cases of constipation, not for prevention.
4. When a client with hypertension is prescribed losartan, what potential side effect should the nurse monitor for?
- A. Hyperkalemia
- B. Dry cough
- C. Bradycardia
- D. Headache
Correct answer: B
Rationale: The correct answer is B: Dry cough. Losartan, an angiotensin II receptor blocker, can lead to a dry cough as a potential side effect. This occurs due to the drug's effect on the bradykinin pathway in the lungs. Monitoring for a dry cough is essential as it may indicate the need for further evaluation or medication adjustment to manage this adverse reaction.
5. A client with heart failure develops hyperaldosteronism. What dietary recommendation is essential for managing this condition?
- A. Limit intake of high potassium foods
- B. Replace salt with salt substitute
- C. Monitor skin for excessive bruising
- D. Cover your skin before going outside
Correct answer: A
Rationale: Hyperaldosteronism can lead to increased potassium retention, which can be problematic for individuals with heart failure. Limiting intake of high potassium foods is crucial to prevent hyperkalemia, a condition that can worsen heart failure. Therefore, advising the client to limit high potassium foods is essential in managing hyperaldosteronism in the setting of heart failure.
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