ATI LPN
LPN Pharmacology Practice Test
1. During an assessment, a client taking valproic acid exhibits elevated liver enzymes. What finding should the nurse report to the provider?
- A. Elevated liver enzymes
- B. Weight loss
- C. Dry mouth
- D. Increased appetite
Correct answer: A
Rationale: Elevated liver enzymes are a critical finding that the nurse should report to the provider when assessing a client taking valproic acid. It can be indicative of hepatotoxicity, a severe side effect associated with valproic acid use. Timely reporting and intervention are essential to prevent further complications and ensure the client's safety and well-being. Choices B, C, and D are not directly related to valproic acid use or the manifestation of hepatotoxicity. Weight loss, dry mouth, and increased appetite are not typically associated with elevated liver enzymes in the context of valproic acid administration.
2. A healthcare professional is assessing a client who has been taking levodopa/carbidopa for Parkinson's disease. Which of the following findings should the healthcare professional report to the provider?
- A. Dry mouth
- B. Urinary retention
- C. Bradykinesia
- D. Dizziness
Correct answer: C
Rationale: Bradykinesia is a cardinal symptom of Parkinson's disease characterized by slowness of movement. An increase in bradykinesia may indicate a decline in the client's condition and the need for adjustments in their medication regimen. Therefore, the healthcare professional should promptly report this finding to the provider for further evaluation and management. Choices A, B, and D are not directly related to the client's Parkinson's disease or the medication levodopa/carbidopa. Dry mouth is a common side effect of many medications, including anticholinergics, but not specifically levodopa/carbidopa. Urinary retention and dizziness are also not typically associated with levodopa/carbidopa use for Parkinson's disease.
3. A client with chronic stable angina is prescribed nitroglycerin (Nitrostat) for chest pain. The nurse should include which instruction when teaching the client about this medication?
- A. Take nitroglycerin at the first sign of chest pain.
- B. Swallow the tablet whole with water.
- C. Take nitroglycerin with meals to prevent stomach upset.
- D. Store nitroglycerin in a cool, dry place.
Correct answer: A
Rationale: The correct instruction when teaching a client about nitroglycerin (Nitrostat) is to take it at the first sign of chest pain. Nitroglycerin works rapidly to dilate blood vessels, improving blood flow to the heart muscle. Taking it promptly can help alleviate symptoms quickly and prevent the condition from worsening. Choice B is incorrect because nitroglycerin is usually taken sublingually (under the tongue) and not swallowed. Choice C is incorrect because nitroglycerin is not typically taken with meals. Choice D is incorrect because nitroglycerin should be stored in its original container away from heat and light.
4. When providing teaching to a client with a new prescription for atorvastatin, which of the following instructions should the nurse include?
- A. Take the medication in the evening.
- B. Take the medication with food.
- C. Increase your intake of grapefruit juice.
- D. Avoid consuming dairy products.
Correct answer: A
Rationale: The correct instruction for a client with a new prescription for atorvastatin is to take the medication in the evening. Atorvastatin is more effective when taken at night because cholesterol synthesis is higher during this time. This timing helps optimize the drug's cholesterol-lowering effects and enhances its overall efficacy in managing lipid levels. Choices B, C, and D are incorrect. Taking atorvastatin with food can decrease its absorption, grapefruit juice can interact with atorvastatin leading to increased side effects, and there is no specific need to avoid dairy products while on atorvastatin unless instructed otherwise by the healthcare provider.
5. A healthcare provider is assisting in the care of a client who is having central venous pressure (CVP) measurements taken. The healthcare provider should assist by placing the bed in which position for the reading?
- A. Flat
- B. Semi-Fowler's
- C. Trendelenburg
- D. Reverse Trendelenburg
Correct answer: A
Rationale: Central venous pressure (CVP) measurements are most accurate when the client is lying flat, as this allows for a consistent baseline. Placing the bed flat ensures that the hydrostatic pressure within the vena cava is not affected by the client's position, providing a more precise reading. Choice B (Semi-Fowler's) elevates the head of the bed at a 30-45 degree angle, which could affect the accuracy of CVP readings. Choices C (Trendelenburg) and D (Reverse Trendelenburg) involve extreme positions that would not be suitable for obtaining accurate CVP measurements.
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