ATI LPN
LPN Pharmacology Practice Questions
1. 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.
2. The healthcare professional is assessing a client who presents with jaundice. Which assessment finding is most important for the healthcare professional to follow up on?
- A. Urine specific gravity of 1.03
- B. Frothy, tea-colored urine
- C. Clay-colored stools
- D. Elevated serum amylase and lipase levels
Correct answer: D
Rationale: Elevated serum amylase and lipase levels are indicative of pancreatitis, a serious condition that can manifest with jaundice. Timely follow-up is crucial to manage pancreatitis and its complications effectively in a jaundiced client. Choices A, B, and C are less critical in this scenario. Urine specific gravity within normal range, frothy tea-colored urine, and clay-colored stools can be associated with various conditions but are not directly indicative of pancreatitis, which is the most concerning condition associated with jaundice.
3. The LPN/LVN is assisting in caring for a client in the telemetry unit and is monitoring the client for cardiac changes indicative of hypokalemia. Which occurrence noted on the cardiac monitor indicates the presence of hypokalemia?
- A. Tall, peaked T waves
- B. ST-segment depression
- C. Prolonged P-R interval
- D. Widening of the QRS complex
Correct answer: B
Rationale: ST-segment depression can indicate hypokalemia, affecting the heart's electrical conduction. Hypokalemia leads to alterations in the repolarization phase of the cardiac action potential, resulting in ST-segment depression on the ECG. Tall, peaked T waves are indicative of hyperkalemia, not hypokalemia. A prolonged P-R interval is more commonly associated with first-degree heart block. Widening of the QRS complex is typically seen in conditions like bundle branch blocks or ventricular tachycardia, not specifically in hypokalemia.
4. The patient with a history of myocardial infarction (MI) is prescribed aspirin. What instruction should the nurse include in the discharge teaching?
- A. Take the aspirin with food to prevent gastrointestinal upset
- B. Discontinue the aspirin if experiencing ringing in the ears
- C. Take the aspirin at bedtime to minimize side effects
- D. Avoid taking aspirin if also taking other NSAIDs
Correct answer: A
Rationale: Taking aspirin with food is recommended to prevent gastrointestinal irritation and upset, which are common side effects of aspirin. It helps protect the stomach lining and reduce the risk of developing ulcers. This instruction is crucial in promoting medication adherence and minimizing discomfort for the patient. Choices B, C, and D are incorrect because discontinuing aspirin without consulting a healthcare provider, taking it at bedtime, or avoiding it if taking other NSAIDs can have negative consequences on the patient's health and treatment plan.
5. In monitoring the effectiveness of warfarin therapy for a client with a history of atrial fibrillation, which laboratory value should the nurse monitor?
- A. Activated partial thromboplastin time (aPTT)
- B. Prothrombin time (PT) and international normalized ratio (INR)
- C. Platelet count
- D. Erythrocyte sedimentation rate (ESR)
Correct answer: B
Rationale: Prothrombin time (PT) and international normalized ratio (INR) are crucial laboratory values to monitor the effectiveness of warfarin therapy in clients with atrial fibrillation. These values help ensure that the client is within the therapeutic range and that the anticoagulant effect of warfarin is appropriate. Monitoring aPTT, platelet count, or ESR is not directly related to assessing the effectiveness of warfarin therapy in these cases.
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