the lpnlvn is assisting in caring for a client in the telemetry unit who is receiving an intravenous infusion of 1000 ml 5 dextrose with 40 meq of pot
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Nursing Elites

ATI LPN

LPN Pharmacology

1. The LPN/LVN is assisting in caring for a client in the telemetry unit who is receiving an intravenous infusion of 1000 mL of 5% dextrose with 40 mEq of potassium chloride. Which occurrence observed on the cardiac monitor indicates the presence of hyperkalemia?

Correct answer: A

Rationale: In hyperkalemia, tall, peaked T waves are a distinct ECG finding. These T waves can be seen as a result of increased serum potassium levels, affecting the repolarization phase of the cardiac action potential. It is crucial for healthcare providers to recognize this ECG change promptly as hyperkalemia can lead to serious cardiac arrhythmias and complications. ST segment depressions, shortened P-R intervals, and shortening of the QRS complex are not typically associated with hyperkalemia. ST segment depressions are more indicative of myocardial ischemia or infarction. Shortened P-R intervals may be seen in conditions like Wolff-Parkinson-White syndrome. Shortening of the QRS complex is associated with conditions affecting the conduction system of the heart, such as bundle branch blocks.

2. A client with a new prescription for simvastatin is receiving teaching from a healthcare provider. Which of the following statements by the client indicates an understanding of the teaching?

Correct answer: A

Rationale: The correct answer is A. Taking simvastatin in the evening is recommended because cholesterol synthesis increases at night. This timing maximizes the effectiveness of the medication in lowering cholesterol levels. Choice B is incorrect because grapefruit juice should be avoided with certain statins, but simvastatin is not significantly affected by grapefruit juice. Choice C is incorrect as red-orange urine is not an expected side effect of simvastatin. Choice D is incorrect because simvastatin is typically prescribed for managing cholesterol levels and may not need to be taken for the rest of the client's life.

3. A client has a new prescription for enalapril. Which of the following adverse effects should the client be instructed to monitor and report?

Correct answer: D

Rationale: The correct answer is D: Persistent cough. Enalapril, an ACE inhibitor, is known to commonly cause a persistent cough as an adverse effect due to its effect on bradykinin levels. Clients should be instructed to monitor for a persistent cough and report it promptly to their healthcare provider for further evaluation and possible medication adjustment. Choices A, B, and C are incorrect as they are not commonly associated with enalapril use and are not typical adverse effects of ACE inhibitors.

4. After administering nitroglycerin to a client with coronary artery disease (CAD) who reports chest pain, what should be the nurse's next priority action?

Correct answer: B

Rationale: The correct next priority action after administering nitroglycerin to a client with CAD experiencing chest pain is to monitor the client's blood pressure. Nitroglycerin can cause hypotension, so it is crucial to assess and monitor the client's blood pressure for any signs of decreased perfusion or adverse effects. Obtaining a 12-lead ECG may be important but is not the immediate priority. Notifying the healthcare provider and administering a second dose of nitroglycerin should only be considered after ensuring the client's blood pressure is stable.

5. When teaching a client about the use of lisinopril, which of the following instructions should the nurse include?

Correct answer: A

Rationale: The correct answer is to instruct the client to monitor their blood pressure regularly when taking lisinopril. Lisinopril is known to cause hypotension, so monitoring blood pressure is crucial to ensure it stays within a safe range. This monitoring helps in early detection of any potential issues related to low blood pressure, allowing for timely intervention. Choices B, C, and D are incorrect because taking lisinopril with food, increasing potassium-rich foods intake, and avoiding grapefruit juice are not specific instructions related to the safe and effective use of lisinopril.

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