ATI LPN
LPN Pharmacology Practice Questions
1. A client with atrial fibrillation is prescribed warfarin (Coumadin). Which instruction should the nurse give to the client regarding lifestyle changes?
- A. Avoid prolonged sitting or standing.
- B. Use an electric razor to prevent cuts.
- C. Take your medication with a full glass of water.
- D. Eat a diet low in protein.
Correct answer: B
Rationale: The correct answer is B. Using an electric razor is advised to prevent cuts, which is crucial for individuals taking warfarin due to the increased risk of bleeding associated with this medication. Lifestyle changes related to warfarin therapy focus on minimizing the risk of bleeding, and using safety measures such as an electric razor is a practical recommendation to reduce the likelihood of injury. Choices A, C, and D are incorrect. Avoiding prolonged sitting or standing is more related to preventing blood clots than to the bleeding risk of warfarin. Taking warfarin with a full glass of water is not a specific lifestyle change associated with its use. Eating a diet low in protein is not a typical recommendation for individuals on warfarin therapy.
2. A client has a new prescription for prednisone. Which of the following statements should the nurse include in the teaching?
- A. You may experience weight gain.
- B. Increase your intake of vitamin K.
- C. Expect increased urinary output.
- D. You may have dark, tarry stools.
Correct answer: A
Rationale: The correct answer is A: 'You may experience weight gain.' Prednisone commonly causes weight gain as a side effect, so it is important for the client to be aware of this potential outcome. Monitoring weight changes can be essential in managing the medication's effects and overall health. Choices B, C, and D are incorrect. Increasing vitamin K intake is not specifically related to prednisone use. Expecting increased urinary output is not a common side effect of prednisone. Dark, tarry stools are more commonly associated with gastrointestinal bleeding rather than prednisone use.
3. 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.
4. 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.
5. The nurse is caring for a client with coronary artery disease (CAD) who reports chest pain. The nurse administers nitroglycerin as prescribed. What is the next priority action?
- A. Obtain a 12-lead ECG
- B. Monitor the client's blood pressure
- C. Notify the healthcare provider
- D. Administer a second dose of nitroglycerin
Correct answer: B
Rationale: After administering nitroglycerin, the next priority action is to monitor the client's blood pressure. Nitroglycerin can cause vasodilation and subsequent hypotension, so it is crucial to assess the client's blood pressure to prevent complications and ensure safety. Obtaining a 12-lead ECG may be necessary but monitoring blood pressure takes precedence to detect and manage potential hypotension. Notifying the healthcare provider can be done after ensuring the client's stability. Administering a second dose of nitroglycerin without assessing the client's response and blood pressure can lead to further hypotension.
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