a client with a history of myocardial infarction mi is being discharged with a prescription for nitroglycerin sublingual tablets which instruction sho
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Nursing Elites

ATI LPN

LPN Pharmacology Assessment A

1. A client with a history of myocardial infarction (MI) is being discharged with a prescription for nitroglycerin sublingual tablets. Which instruction should the nurse reinforce?

Correct answer: A

Rationale: The correct answer is A. Nitroglycerin tablets are light and moisture-sensitive, so they should be stored in a cool, dry place away from light to maintain their effectiveness. Option B advises taking a tablet every 5 minutes, which may lead to overdose as this frequency is too high. Option C emphasizes the correct administration route for sublingual tablets. Option D is incorrect as water is not needed for the tablets to take effect.

2. 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?

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.

3. The healthcare provider is monitoring a client following cardioversion. Which observation should be of the highest priority to the healthcare provider?

Correct answer: B

Rationale: The status of the airway is the highest priority following cardioversion as it ensures proper oxygenation and helps prevent complications such as airway obstruction and respiratory distress. Maintaining a patent airway is crucial for the client's respiratory function and overall well-being immediately after cardioversion. Monitoring the airway ensures that the client can breathe effectively and minimizes the risk of hypoxia and other serious respiratory issues. While blood pressure, oxygen flow rate, and level of consciousness are also important parameters to monitor, they are secondary to ensuring a clear and patent airway for adequate oxygenation.

4. A hypertensive client who has been taking metoprolol (Lopressor) has been prescribed to decrease the dose of the medication. The client asks the nurse why this must be done over a period of 1 to 2 weeks. In formulating a response, the nurse incorporates the understanding that abrupt withdrawal could affect the client in which way?

Correct answer: C

Rationale: Abruptly stopping metoprolol can lead to rebound hypertension, causing a sudden increase in blood pressure due to the sudden withdrawal of the medication. Gradually tapering the dose helps the body adjust and reduces the risk of this adverse effect. Choices A, B, and D are incorrect. Stopping metoprolol suddenly is not known to result in hypoglycemia, insomnia, or enhanced side effects of other medications.

5. A client is admitted with coronary artery disease (CAD) and reports dyspnea at rest. What is the nurse's priority intervention?

Correct answer: A

Rationale: The nurse's priority intervention for a client with coronary artery disease (CAD) experiencing dyspnea at rest is to elevate the head of the bed. Elevating the head of the bed helps improve lung expansion and reduces the workload on the heart, aiding in respiratory effort and cardiac function. This intervention is crucial in enhancing oxygenation and optimizing cardiac output in individuals with CAD presenting with dyspnea. Administering oxygen (Choice B) is important but elevating the head of the bed takes precedence as it directly addresses the client's respiratory distress. Continuous ECG monitoring (Choice C) and applying a nasal cannula (Choice D) are relevant interventions but not the priority when a client with CAD reports dyspnea at rest.

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