ATI LPN
LPN Pharmacology Assessment A
1. The healthcare provider is reviewing the medication orders for a client with angina pectoris. Which medication is typically prescribed to prevent angina attacks?
- A. Aspirin
- B. Nitroglycerin
- C. Atenolol
- D. Simvastatin
Correct answer: B
Rationale: Nitroglycerin is the medication typically prescribed to prevent angina attacks. It works by dilating blood vessels, increasing blood flow, and reducing the heart's workload, hence relieving angina symptoms. Aspirin is often used to prevent blood clots, not specifically to prevent angina attacks. Atenolol is a beta-blocker used to manage high blood pressure and chest pain but is not typically prescribed to prevent angina attacks. Simvastatin is a statin medication primarily used to lower cholesterol levels and is not indicated for preventing angina attacks.
2. A client with chronic stable angina is prescribed nitroglycerin (Nitrostat) for chest pain. The nurse should include which instruction when teaching the client about this medication?
- A. Take nitroglycerin at the first sign of chest pain.
- B. Swallow the tablet whole with water.
- C. Take nitroglycerin with meals to prevent stomach upset.
- D. Store nitroglycerin in a cool, dry place.
Correct answer: A
Rationale: The correct instruction when teaching a client about nitroglycerin (Nitrostat) is to take it at the first sign of chest pain. Nitroglycerin works rapidly to dilate blood vessels, improving blood flow to the heart muscle. Taking it promptly can help alleviate symptoms quickly and prevent the condition from worsening. Choice B is incorrect because nitroglycerin is usually taken sublingually (under the tongue) and not swallowed. Choice C is incorrect because nitroglycerin is not typically taken with meals. Choice D is incorrect because nitroglycerin should be stored in its original container away from heat and light.
3. A client with chronic heart failure is being discharged with a prescription for digoxin (Lanoxin). Which instruction should the nurse reinforce?
- A. Take the medication at the same time each day.
- B. Avoid foods high in potassium.
- C. Skip a dose if you feel well.
- D. Take the medication on an empty stomach.
Correct answer: A
Rationale: Taking digoxin at the same time each day is essential to maintain a consistent blood level of the medication. This consistency helps optimize the therapeutic effects of digoxin in managing chronic heart failure. Deviating from the scheduled time could lead to fluctuations in drug levels, affecting its effectiveness and potentially causing harm. Choices B, C, and D are incorrect because avoiding potassium-rich foods, skipping doses when feeling well, and taking the medication on an empty stomach are not relevant or appropriate instructions for a client prescribed digoxin.
4. The healthcare provider is reinforcing teaching for a client who is starting statin therapy. Which dietary advice should the healthcare provider give?
- A. Eat more whole grains.
- B. Avoid foods high in potassium.
- C. Avoid grapefruit and grapefruit juice.
- D. Increase intake of dairy products.
Correct answer: C
Rationale: The correct answer is C: Avoid grapefruit and grapefruit juice. Grapefruit and grapefruit juice can interfere with the metabolism of statins, leading to an increased risk of adverse effects. It is crucial for clients on statin therapy to avoid grapefruit products to ensure the medication's effectiveness and safety. Choices A, B, and D are incorrect because they do not directly impact the metabolism or effectiveness of statin therapy.
5. A client reports chest pain that is unrelieved by three doses of nitroglycerin taken 5 minutes apart. What is the nurse's next best action?
- A. Administer another dose of nitroglycerin.
- B. Call the healthcare provider immediately.
- C. Provide oxygen via nasal cannula.
- D. Place the client in a supine position.
Correct answer: B
Rationale: In the scenario described, the client's chest pain persists despite three doses of nitroglycerin, indicating a potentially severe cardiac issue like a myocardial infarction. The priority for the nurse in this situation is to involve the healthcare provider promptly. Calling the healthcare provider immediately is essential to ensure timely evaluation and appropriate intervention for the client. Administering more nitroglycerin without further assessment or instructions may not be safe and could delay necessary treatments. Providing oxygen or changing the client's position may offer some comfort but does not address the underlying potentially life-threatening condition, making these options less appropriate as the immediate next best action.
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