ATI LPN
LPN Pharmacology Practice Test
1. A healthcare professional is assessing a client who has been taking lithium carbonate for bipolar disorder. Which of the following findings should the professional report to the provider?
- A. Increased urination
- B. Tremors
- C. Weight gain
- D. Blurred vision
Correct answer: B
Rationale: Tremors are a concerning sign of lithium toxicity that indicate a potential overdose. Tremors can progress to more severe symptoms if not addressed promptly. Reporting tremors promptly allows the provider to assess the client's lithium levels, adjust the dosage, or provide appropriate interventions to prevent further complications. Increased urination, weight gain, and blurred vision are potential side effects of lithium but are not indicative of toxicity or overdose. While they should still be monitored, they are not as urgent as tremors in the context of lithium therapy.
2. A client with a diagnosis of angina pectoris is prescribed nitroglycerin. The nurse should teach the client to take the medication in which way?
- A. Take one tablet daily with breakfast
- B. Take one tablet every 5 minutes as needed, up to three times
- C. Take one tablet every hour until pain subsides
- D. Take one tablet only if pain does not subside after 30 minutes
Correct answer: B
Rationale: Nitroglycerin is a rapid-acting medication used to relieve angina pain by dilating blood vessels. The correct administration is to take one tablet every 5 minutes as needed, up to three doses. This dosing regimen helps in managing acute angina episodes effectively. Choice A is incorrect because nitroglycerin is not taken once daily. Choice C is incorrect because waiting for an hour between doses may not provide timely relief during angina attacks. Choice D is incorrect as it suggests waiting for 30 minutes before taking another dose, which could delay symptom relief in acute situations.
3. When educating a client with a new prescription for nitroglycerin, which of the following instructions should the nurse include?
- A. Store the medication in a cool, dark place.
- B. Take the medication before bedtime.
- C. Take the medication with food.
- D. Take the medication at the first sign of chest pain.
Correct answer: D
Rationale: The correct instruction for a client with a new prescription for nitroglycerin is to take the medication at the first sign of chest pain. Nitroglycerin is a vasodilator used to relieve chest pain associated with angina. Taking it at the onset of chest pain ensures prompt relief by dilating blood vessels and increasing blood flow to the heart muscle. Storing nitroglycerin in a cool, dark place helps maintain its potency, while taking it with food can alter its absorption. Timing the medication with bedtime is not necessary, but prompt administration at the first sign of chest pain is crucial for effective management of angina. Choices A, B, and C are incorrect because storing the medication in a cool, dark place, taking it before bedtime, and taking it with food are not essential instructions for nitroglycerin use. The priority is to administer it promptly when chest pain occurs to achieve optimal therapeutic effects.
4. An ambulatory clinic nurse is interviewing a client who is complaining of flu-like symptoms. The client suddenly develops chest pain. Which question best assists the nurse in discriminating pain caused by a non-cardiac problem?
- A. Can you describe the pain to me?
- B. Have you ever experienced this pain before?
- C. Does the pain get worse when you breathe in?
- D. Can you rate the pain on a scale of 1 to 10, with 10 being the worst?
Correct answer: C
Rationale: The correct answer is C. Pain that worsens with breathing in can indicate pleuritic chest pain, which is non-cardiac in nature. This specific question helps in differentiating non-cardiac causes from cardiac causes of chest pain, as cardiac pain typically does not worsen with breathing. Choices A, B, and D are less specific in discriminating between cardiac and non-cardiac chest pain.
5. The healthcare provider is teaching a client about the use of nitroglycerin patches for angina pectoris. Which instruction should the healthcare provider include?
- A. Apply the patch to the same site each day
- B. Remove the patch at bedtime to prevent tolerance
- C. Cover the patch with a bandage to keep it in place
- D. Rotate the application site every 24 hours
Correct answer: D
Rationale: Rotating the application site every 24 hours is crucial when using nitroglycerin patches to prevent skin irritation and ensure consistent absorption of the medication. By rotating the site, the risk of local skin reactions is reduced, and the effectiveness of the nitroglycerin patch is maintained. Applying the patch to the same site each day (Choice A) can lead to skin irritation. Removing the patch at bedtime (Choice B) is not necessary as long as the prescribed wearing schedule is followed. Covering the patch with a bandage (Choice C) is not recommended as it may interfere with proper absorption.
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