ATI LPN
LPN Pharmacology Practice Test
1. A client has a new prescription for nitroglycerin. Which of the following instructions should the nurse include?
- A. Store the medication in a cool, dry place.
- B. Take the medication as directed by the healthcare provider.
- C. Take the medication 30 minutes before meals.
- D. Take the medication at the first sign of chest pain.
Correct answer: D
Rationale: Instructing the client to take nitroglycerin at the first sign of chest pain is crucial for immediate relief of angina symptoms. Nitroglycerin is a fast-acting medication that helps dilate blood vessels, improving blood flow to the heart muscle. Therefore, prompt administration at the onset of chest pain is essential to alleviate anginal episodes effectively. Choices A, B, and C are incorrect because storing the medication properly, taking it as directed, or before meals are not specific instructions for managing acute anginal episodes, which require immediate action for symptom relief.
2. A client with atrial fibrillation is prescribed warfarin (Coumadin). The nurse should reinforce which dietary instruction?
- A. Avoid foods high in vitamin K.
- B. Increase intake of dairy products.
- C. Limit intake of foods high in fiber.
- D. Increase protein intake.
Correct answer: A
Rationale: The correct answer is to avoid foods high in vitamin K. Clients taking warfarin (Coumadin) should maintain a consistent intake of vitamin K to keep the medication's effectiveness stable. Foods high in vitamin K, such as leafy greens, can interfere with the anticoagulant effects of warfarin. Therefore, it is crucial for clients to avoid these foods to ensure the therapeutic effects of warfarin. Choices B, C, and D are incorrect because increasing dairy products, limiting fiber intake, or increasing protein intake do not directly impact the effectiveness of warfarin therapy and are not necessary dietary modifications for clients on this medication.
3. The healthcare provider is reviewing the medication orders for a client with angina pectoris. Which medication is typically prescribed to prevent angina attacks?
- A. Aspirin
- B. Nitroglycerin
- C. Atenolol
- D. Simvastatin
Correct answer: B
Rationale: Nitroglycerin is the medication typically prescribed to prevent angina attacks. It works by dilating blood vessels, increasing blood flow, and reducing the heart's workload, hence relieving angina symptoms. Aspirin is often used to prevent blood clots, not specifically to prevent angina attacks. Atenolol is a beta-blocker used to manage high blood pressure and chest pain but is not typically prescribed to prevent angina attacks. Simvastatin is a statin medication primarily used to lower cholesterol levels and is not indicated for preventing angina attacks.
4. 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?
- A. 'I should take this medication in the evening.'
- B. 'I should avoid drinking grapefruit juice.'
- C. 'I should expect my urine to be red-orange while taking this medication.'
- D. 'I will need to take this medication for the rest of my life.'
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.
5. A nurse is assessing a client who has been taking phenytoin for epilepsy. Which of the following findings should the nurse report to the provider?
- A. Weight loss
- B. Gingival hyperplasia
- C. Increased thirst
- D. Frequent urination
Correct answer: B
Rationale: The correct answer is B: Gingival hyperplasia. Phenytoin is known to cause gingival hyperplasia, an overgrowth of gum tissue, which can lead to oral health issues and requires dental care. Choices A, C, and D are not directly associated with phenytoin use. Weight loss, increased thirst, and frequent urination are not typically reported findings related to phenytoin and should not be prioritized over gingival hyperplasia when assessing a client taking this medication.
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