HESI LPN
HESI Practice Test Pharmacology
1. 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.
2. A client with a history of heart failure is prescribed spironolactone. The nurse should monitor for which potential side effect?
- A. Hyperkalemia
- B. Hypokalemia
- C. Hyponatremia
- D. Hypernatremia
Correct answer: A
Rationale: The correct answer is A: Hyperkalemia. Spironolactone is a potassium-sparing diuretic, which can lead to an excess of potassium in the body, causing hyperkalemia. This medication inhibits the action of aldosterone, leading to decreased potassium excretion and potential retention. Monitoring potassium levels is essential to prevent complications such as cardiac arrhythmias, especially in clients with heart failure.
3. A client is taking levodopa-carbidopa for Parkinson's disease. The nurse should include which instruction when educating the client about this medication?
- A. Increase fluid intake to prevent dehydration.
- B. Take medication with food to improve absorption.
- C. Take medication at bedtime to avoid daytime drowsiness.
- D. It can cause nausea and dizziness.
Correct answer: A
Rationale: The correct instruction for a client taking levodopa-carbidopa for Parkinson's disease is to increase fluid intake to prevent dehydration. Levodopa-carbidopa should be taken with food to reduce gastrointestinal upset and improve absorption. Taking medication at bedtime is not necessary to avoid daytime drowsiness. It is crucial to prevent dehydration due to the medication's side effects. Choice B is incorrect because the medication should be taken with food, not at bedtime. Choice C is incorrect as taking the medication with food, rather than on an empty stomach, aids in absorption and reduces gastrointestinal side effects. Choice D is incorrect as it states the side effects of the medication rather than providing specific instructions on its administration.
4. What information should the practical nurse provide to a female client who started taking an oral sulfonamide for a urinary tract infection the previous day and reports slight anorexia, while also experiencing urinary frequency?
- A. Take the medication with an antacid instead of cranberry juice to reduce the anorexia.
- B. Continue to take the medication with a sip of cranberry juice, restricting fluids until the frequency is controlled.
- C. Continue to drink cranberry juice, but take the medicine on an empty stomach with a full glass of water.
- D. Take the medication with a spoonful of ice cream or applesauce and avoid drinking cranberry juice.
Correct answer: C
Rationale: The practical nurse should advise the client to take sulfonamides with a full glass of water to help prevent crystalluria. It is essential to take the medication on an empty stomach, ideally 1 hour before eating or 2 hours after eating to maximize its absorption and effectiveness. Continuing to drink cranberry juice is beneficial, but it is important to take the medicine separately to enhance its therapeutic action.
5. A client with chronic obstructive pulmonary disease (COPD) is prescribed ipratropium. The nurse should assess the client for which potential side effect?
- A. Nausea
- B. Dry mouth
- C. Cough
- D. Palpitations
Correct answer: B
Rationale: The correct answer is B: Dry mouth. Ipratropium can cause dry mouth as a common side effect due to its anticholinergic effects. Anticholinergic medications like ipratropium can lead to decreased salivary flow, resulting in dry mouth. Choices A, C, and D are incorrect because nausea, cough, and palpitations are not commonly associated with ipratropium use.
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