HESI LPN
Pharmacology HESI Practice
1. What instruction should the nurse include in the teaching plan for a client prescribed ranitidine for a peptic ulcer?
- A. Take this medication in the morning before breakfast.
- B. Take this medication with meals.
- C. Avoid taking this medication with antacids.
- D. Take this medication at bedtime.
Correct answer: A
Rationale: The correct instruction for a client prescribed ranitidine for a peptic ulcer is to take the medication in the morning before breakfast. This timing helps reduce stomach acid production throughout the day, providing optimal therapeutic effects. Option B is incorrect because taking ranitidine with meals is not the recommended timing. Option C is incorrect as there is no specific contraindication against taking ranitidine with antacids. Option D is incorrect as the medication should not be taken at bedtime but rather in the morning before breakfast.
2. A client with a history of deep vein thrombosis is prescribed warfarin. The nurse should monitor for which potential adverse effect?
- A. Increased risk of bleeding
- B. Decreased risk of bleeding
- C. Increased risk of infection
- D. Decreased risk of infection
Correct answer: A
Rationale: The correct answer is A: Increased risk of bleeding. Warfarin is an anticoagulant medication that works by prolonging the time it takes for blood to clot. Therefore, a potential adverse effect of warfarin is an increased risk of bleeding. It is crucial for the nurse to monitor the client for signs of bleeding, such as easy bruising, prolonged bleeding from cuts, nosebleeds, or blood in the urine or stool. Monitoring for these signs is essential to prevent serious complications associated with excessive bleeding. Choices B, C, and D are incorrect because warfarin does not decrease the risk of bleeding, increase the risk of infection, or decrease the risk of infection. The primary concern with warfarin therapy is the potential for bleeding complications, so close monitoring for signs of bleeding is essential.
3. A client with hypertension is prescribed hydrochlorothiazide. The nurse should monitor the client for which potential side effect?
- A. Hyperkalemia
- B. Hypokalemia
- C. Hypernatremia
- D. Hyponatremia
Correct answer: B
Rationale: When a client is prescribed hydrochlorothiazide, the nurse should monitor for hypokalemia as a potential side effect. Hydrochlorothiazide is a diuretic that can lead to potassium loss, hence monitoring potassium levels is crucial to prevent complications related to hypokalemia.
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 a diagnosis of generalized anxiety disorder is prescribed paroxetine. The nurse should instruct the client that this medication may have which potential side effect?
- A. Drowsiness
- B. Dry mouth
- C. Nausea
- D. Headache
Correct answer: A
Rationale: The correct answer is A: Drowsiness. Paroxetine, used for generalized anxiety disorder, can cause drowsiness. Clients should be advised not to drive or operate heavy machinery until they know how the medication affects them. Dry mouth, nausea, and headache are potential side effects of other medications but are not commonly associated with paroxetine. Drowsiness is a common side effect for paroxetine and can impact a client's ability to perform tasks that require alertness.
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