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. Which laboratory test should be monitored to evaluate the effectiveness of anticoagulant therapy in a client with deep vein thrombosis (DVT)?
- A. Complete blood count (CBC)
- B. Activated partial thromboplastin time (aPTT)
- C. Serum electrolytes
- D. Liver function tests
Correct answer: B
Rationale: Activated partial thromboplastin time (aPTT) is the laboratory test monitored to evaluate the effectiveness of anticoagulant therapy, particularly with heparin. It measures the time it takes for blood to clot, and monitoring aPTT helps ensure the therapeutic range is maintained to prevent clot formation and excessive bleeding. Choices A, C, and D are incorrect because a complete blood count (CBC) assesses overall health, serum electrolytes evaluate the body's electrolyte balance, and liver function tests assess liver health, none of which directly evaluate the effectiveness of anticoagulant therapy for DVT.
3. A healthcare professional is providing discharge teaching to a client who has a new prescription for enoxaparin. Which of the following instructions should the healthcare professional include?
- A. Administer the injection into the abdomen.
- B. Avoid massaging the injection site after administration.
- C. Expect mild bruising at the injection site.
- D. Avoid alternating injection sites between the arms.
Correct answer: A
Rationale: Administering enoxaparin into the abdomen is recommended to ensure proper absorption and effectiveness. Massaging the injection site after administration should be avoided as it can increase the risk of bleeding or bruising. Mild bruising at the injection site is common with enoxaparin and should be expected. Alternating injection sites, especially between arms, is not suitable for enoxaparin administration. Consistent administration into the abdomen is preferred for consistent absorption of the medication.
4. A client has a new prescription for rifampin. Which of the following instructions should the nurse include?
- A. Take the medication with food.
- B. Expect red-orange discoloration of body fluids.
- C. Monitor for signs of hyperglycemia.
- D. Avoid consuming dairy products.
Correct answer: B
Rationale: The correct answer is to inform the client to expect red-orange discoloration of body fluids when taking rifampin. Rifampin is known to cause this side effect, which is harmless but can be surprising to patients. It is important for the nurse to educate the client about this expected change to prevent unnecessary concern or alarm. Monitoring for hyperglycemia is not directly related to rifampin, and taking the medication with food or avoiding dairy products are not specific instructions for this medication.
5. A client is admitted with coronary artery disease (CAD) and reports dyspnea at rest. What is the nurse's priority intervention?
- A. Elevate the head of the bed.
- B. Administer oxygen.
- C. Perform continuous ECG monitoring.
- D. Apply a nasal cannula.
Correct answer: A
Rationale: The nurse's priority intervention for a client with coronary artery disease (CAD) experiencing dyspnea at rest is to elevate the head of the bed. Elevating the head of the bed helps improve lung expansion and reduces the workload on the heart, aiding in respiratory effort and cardiac function. This intervention is crucial in enhancing oxygenation and optimizing cardiac output in individuals with CAD presenting with dyspnea. Administering oxygen (Choice B) is important but elevating the head of the bed takes precedence as it directly addresses the client's respiratory distress. Continuous ECG monitoring (Choice C) and applying a nasal cannula (Choice D) are relevant interventions but not the priority when a client with CAD reports dyspnea at rest.
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