ATI LPN
LPN Pharmacology Practice Test
1. When preparing to administer medication to a client, what action should the nurse take first?
- A. Verify the client's identity.
- B. Check the medication expiration date.
- C. Review the client's medical history.
- D. Obtain the client's vital signs.
Correct answer: A
Rationale: Verifying the client's identity is the initial and most critical step in medication administration. It is crucial to confirm that the right medication is being given to the correct patient. Checking the client's identity helps prevent medication errors and ensures patient safety. Checking the medication expiration date (choice B) is important but should come after verifying the client's identity. Reviewing the client's medical history (choice C) is valuable but not the first step in medication administration. Obtaining the client's vital signs (choice D) is essential in some situations but is usually not the first action needed before administering medication.
2. What preoperative instruction should the LPN/LVN reinforce to a client scheduled for a carotid endarterectomy?
- A. You will need to be NPO after midnight before the surgery.
- B. You should avoid deep breathing and coughing after the surgery.
- C. You will be able to eat and drink normally after the procedure.
- D. You can take all of your prescribed medications the morning of surgery.
Correct answer: A
Rationale: The correct preoperative instruction that the LPN/LVN should reinforce to a client scheduled for a carotid endarterectomy is being NPO after midnight before the surgery. This instruction is essential to prevent aspiration and ensure a safe procedure. Avoiding oral intake helps reduce the risk of complications during anesthesia induction and the surgical process. Choices B, C, and D are incorrect because avoiding deep breathing and coughing, resuming normal eating and drinking, and taking all prescribed medications the morning of surgery are not recommended preoperative instructions for a carotid endarterectomy.
3. In monitoring the effectiveness of warfarin therapy for a client with a history of atrial fibrillation, which laboratory value should the nurse monitor?
- A. Activated partial thromboplastin time (aPTT)
- B. Prothrombin time (PT) and international normalized ratio (INR)
- C. Platelet count
- D. Erythrocyte sedimentation rate (ESR)
Correct answer: B
Rationale: Prothrombin time (PT) and international normalized ratio (INR) are crucial laboratory values to monitor the effectiveness of warfarin therapy in clients with atrial fibrillation. These values help ensure that the client is within the therapeutic range and that the anticoagulant effect of warfarin is appropriate. Monitoring aPTT, platelet count, or ESR is not directly related to assessing the effectiveness of warfarin therapy in these cases.
4. A nurse is assessing a client who has a new prescription for enalapril. Which of the following findings is a priority for the nurse to report to the provider?
- A. Frequent urination
- B. Dry cough
- C. Tremors
- D. Dizziness
Correct answer: D
Rationale: The correct answer is D: Dizziness. Dizziness is a sign of hypotension, a potential adverse effect of enalapril. Enalapril is an ACE inhibitor commonly prescribed for hypertension. Hypotension is a serious side effect that can lead to complications such as falls and injuries. Reporting dizziness promptly is crucial to prevent any harm to the client. Choices A, B, and C are not directly associated with enalapril use and are less concerning compared to the potential implications of hypotension indicated by dizziness.
5. 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.
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