ATI LPN
LPN Pharmacology Practice Test
1. When preparing to administer a controlled substance, which of the following actions is required?
- A. Check the client's identification bracelet.
- B. Check the client's allergy status.
- C. Have a second nurse witness disposal of the medication.
- D. Document the administration in the client's medical record.
Correct answer: C
Rationale: When administering controlled substances, it is crucial to have a second nurse witness the disposal of the medication. This measure ensures proper handling, reduces the risk of diversion, and promotes compliance with regulations regarding controlled substances. Having a second nurse witness the disposal is a safeguard to maintain accountability and prevent any potential misuse or errors during the disposal process. Checking the client's identification bracelet and allergy status are important steps in medication administration but are not specifically required for controlled substances. Documenting the administration in the client's medical record is essential but does not specifically relate to the disposal of controlled substances.
2. A client being seen in the emergency department for complaints of chest pain confides in the nurse about regular use of cocaine as a recreational drug. The nurse takes which important action in delivering holistic nursing care to this client?
- A. Reports the client to the police for illegal drug use
- B. Explains to the client the damage that cocaine does to the heart
- C. Tells the client it is imperative to stop before myocardial infarction occurs
- D. Teaches about the effects of cocaine on the heart and offers a referral for further help
Correct answer: D
Rationale: In this scenario, the nurse should prioritize educating the client about the effects of cocaine on the heart and provide a referral for further help. This approach is crucial in addressing the root cause of the client's health issues and supporting them in making informed decisions about their health. Reporting the client to the police is not appropriate in this situation as the focus should be on the client's health and well-being. Simply explaining the damage without offering solutions may not effectively address the client's needs or promote holistic care. Telling the client to stop without providing support or education may not be as effective as teaching about the effects of cocaine and offering help for cessation. Therefore, educating about the effects and providing a referral for further assistance is the best course of action for holistic nursing care.
3. The client is receiving anticoagulant therapy for atrial fibrillation. Which laboratory test should be monitored to determine the effectiveness of the therapy?
- A. Prothrombin time (PT) and international normalized ratio (INR)
- B. Activated partial thromboplastin time (aPTT)
- C. Platelet count
- D. Erythrocyte sedimentation rate (ESR)
Correct answer: A
Rationale: Prothrombin time (PT) and international normalized ratio (INR) are essential laboratory tests to monitor the effectiveness of anticoagulant therapy in clients with atrial fibrillation. These tests help ensure that the client is within the therapeutic range and are commonly used to assess the clotting ability of the blood. Monitoring PT and INR levels allows healthcare providers to adjust anticoagulant dosages as needed to prevent complications such as bleeding or thrombosis. Activated partial thromboplastin time (aPTT) is more commonly used to monitor heparin therapy, not anticoagulant therapy for atrial fibrillation. Platelet count assesses the number of platelets in the blood and is not a direct indicator of anticoagulant therapy effectiveness. Erythrocyte sedimentation rate (ESR) is a nonspecific marker of inflammation and is not used to monitor anticoagulant therapy.
4. 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.
5. The healthcare provider is preparing to administer a calcium channel blocker to a client with hypertension. What parameter should be checked before administering the medication?
- A. Apical pulse
- B. Serum calcium level
- C. Blood pressure
- D. Respiratory rate
Correct answer: C
Rationale: Before administering a calcium channel blocker to a client with hypertension, the healthcare provider should check the client's blood pressure. Calcium channel blockers are used to lower blood pressure, making it essential to assess the current blood pressure to ensure it is within the appropriate range for administration. Checking the apical pulse (choice A) is not the priority before administering a calcium channel blocker, as the focus should be on blood pressure. Serum calcium level (choice B) is not directly related to the administration of calcium channel blockers for hypertension. Respiratory rate (choice D) is not the primary parameter to check before administering a calcium channel blocker in this scenario.
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