ATI LPN
Pharmacology for LPN
1. The nurse is assisting in the care of a client experiencing an acute myocardial infarction (MI). Which medication would the nurse expect to be administered to help reduce myocardial oxygen demand?
- A. Aspirin
- B. Morphine
- C. Atropine
- D. Lidocaine
Correct answer: B
Rationale: In the context of an acute myocardial infarction (MI), morphine is administered to relieve pain and reduce myocardial oxygen demand. By alleviating pain and anxiety, morphine helps reduce oxygen demand on the heart, which is beneficial in the setting of an MI. Aspirin, commonly used for its antiplatelet effects, helps inhibit platelet aggregation and is crucial in the management of MI to prevent further clot formation. Atropine is a medication used to treat symptomatic bradycardia by increasing heart rate, not commonly indicated in the management of acute MI. Lidocaine is used for ventricular dysrhythmias and is not typically given to reduce myocardial oxygen demand in an acute MI scenario.
2. 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.
3. 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.
4. The nurse is planning measures to decrease the incidence of chest pain for a client with angina pectoris. What intervention should the nurse do to effectively accomplish this goal?
- A. Provide a quiet and low-stimulus environment.
- B. Encourage the family to visit very frequently.
- C. Encourage the client to call friends and relatives each day.
- D. Recommend that the client watch TV as a constant diversion.
Correct answer: A
Rationale: The correct answer is A: Provide a quiet and low-stimulus environment. A calm and quiet environment can help reduce stress, which is beneficial in preventing the occurrence of chest pain in clients with angina. Choice B is incorrect because excessive or frequent visitations may lead to increased stress and agitation for the client. Choice C is incorrect as it may not always contribute to a calm environment and could potentially increase the client's stress levels. Choice D is inappropriate as watching TV constantly may not promote a quiet and low-stimulus environment, which is essential in managing angina pectoris.
5. Why should the client diagnosed with rheumatic heart disease be advised to notify the dentist before dental procedures?
- A. The client requires prophylactic antibiotics before treatment.
- B. The client may experience dysrhythmias with high-speed drills.
- C. The client may have an adverse reaction to lidocaine with epinephrine.
- D. The client may develop heart failure during stressful events.
Correct answer: A
Rationale: Clients with rheumatic heart disease are at risk for infective endocarditis, a serious infection of the heart lining or valves. They need prophylactic antibiotics before invasive procedures, including dental work, to prevent this life-threatening complication. While dysrhythmias with high-speed drills, adverse reactions to local anesthesia, and the risk of heart failure during stressful events are all concerns for clients with heart conditions, the primary reason for notifying the dentist before dental procedures in rheumatic heart disease is the need for prophylactic antibiotics to prevent infective endocarditis.
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