ATI LPN
LPN Pharmacology Practice Test
1. A healthcare professional is assessing a client who has been taking lithium carbonate for bipolar disorder. Which of the following findings should the professional report to the provider?
- A. Increased urination
- B. Tremors
- C. Weight gain
- D. Blurred vision
Correct answer: B
Rationale: Tremors are a concerning sign of lithium toxicity that indicate a potential overdose. Tremors can progress to more severe symptoms if not addressed promptly. Reporting tremors promptly allows the provider to assess the client's lithium levels, adjust the dosage, or provide appropriate interventions to prevent further complications. Increased urination, weight gain, and blurred vision are potential side effects of lithium but are not indicative of toxicity or overdose. While they should still be monitored, they are not as urgent as tremors in the context of lithium therapy.
2. A client with a history of coronary artery disease (CAD) is prescribed simvastatin (Zocor). The nurse should teach the client about which potential side effect?
- A. Muscle pain
- B. Dry mouth
- C. Drowsiness
- D. Diarrhea
Correct answer: A
Rationale: Muscle pain is a common side effect of statins like simvastatin and can indicate a serious condition called rhabdomyolysis. Rhabdomyolysis is a severe condition where muscle fibers break down rapidly, releasing myoglobin into the bloodstream, which can lead to kidney damage. Therefore, it's important for the nurse to educate the client about this potential side effect and to promptly report any muscle pain to the healthcare provider. Dry mouth, drowsiness, and diarrhea are not commonly associated with simvastatin use and are less concerning compared to the risk of rhabdomyolysis.
3. A client with heart failure is receiving digoxin. Which finding should indicate to the nurse that the client is experiencing digoxin toxicity?
- A. Constipation
- B. Blurred vision
- C. Bradycardia
- D. Dry cough
Correct answer: C
Rationale: Bradycardia is a hallmark sign of digoxin toxicity. Digoxin, a medication used to treat heart conditions, can lead to toxicity manifesting as bradycardia. Bradycardia occurs due to the drug's effect on slowing down the heart rate excessively. Constipation (Choice A) is not typically associated with digoxin toxicity. Blurred vision (Choice B) is more commonly linked to visual disturbances caused by digoxin, but it is not a defining sign of toxicity. Dry cough (Choice D) is not a recognized symptom of digoxin toxicity. It is crucial for the nurse to recognize the early signs of digoxin toxicity to prevent serious complications and provide appropriate interventions promptly.
4. A client diagnosed with thrombophlebitis 1 day ago suddenly complains of chest pain and shortness of breath. The LPN/LVN understands that a life-threatening complication of this condition is which?
- A. Pneumonia
- B. Pulmonary edema
- C. Pulmonary embolism
- D. Myocardial infarction
Correct answer: C
Rationale: The correct answer is C, Pulmonary embolism. Pulmonary embolism is a critical complication of thrombophlebitis where a blood clot dislodges and travels to the lungs, obstructing blood flow. This obstruction can lead to chest pain, shortness of breath, and potentially fatal consequences, making it a life-threatening emergency that requires prompt intervention. Choices A, B, and D are incorrect because pneumonia, pulmonary edema, and myocardial infarction are not directly associated with thrombophlebitis and would not present with the sudden onset of chest pain and shortness of breath in this context.
5. The client has angina pectoris and is prescribed nitroglycerin patches. What instruction should the nurse provide to the client?
- A. Apply the patch to the chest and leave it in place for 24 hours
- B. Apply the patch to a different site each time to prevent skin irritation
- C. Remove the patch before going to bed to prevent tolerance
- D. Cut the patch in half if experiencing headaches
Correct answer: B
Rationale: The correct instruction for the nurse to provide to the client is to apply the nitroglycerin patch to a different site each time to prevent skin irritation. Rotating the application site is crucial to prevent skin irritation and ensure consistent absorption of the medication. Applying the patch to the same site can lead to skin irritation and decreased effectiveness. Removing the patch before going to bed is not necessary, as the patch can typically be worn for a specific duration. Cutting the patch in half if experiencing headaches is not recommended and can alter the dose of the medication.
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