ATI LPN
Pharmacology for LPN
1. The client with a history of angina pectoris reports chest pain unrelieved by nitroglycerin. Which action should the nurse take next?
- A. Administer another dose of nitroglycerin.
- B. Notify the healthcare provider immediately.
- C. Have the client lie down and rest.
- D. Encourage the client to take deep breaths.
Correct answer: B
Rationale: When a client with a history of angina pectoris reports chest pain unrelieved by nitroglycerin, it may indicate a myocardial infarction, also known as a heart attack. In this situation, the nurse should immediately notify the healthcare provider to ensure prompt evaluation and appropriate intervention. Delay in seeking medical attention for chest pain unrelieved by nitroglycerin can be life-threatening, as it might be a sign of a more serious cardiac event. Administering another dose of nitroglycerin (Choice A) without further evaluation can be risky, as the client's condition may require a different intervention. Having the client lie down and rest (Choice C) or encouraging deep breaths (Choice D) are not appropriate actions in this scenario where a more serious cardiac event needs to be ruled out.
2. A client is receiving heparin therapy. Which of the following laboratory tests should be monitored to evaluate the effectiveness of the therapy?
- A. Prothrombin time (PT)
- B. International normalized ratio (INR)
- C. Activated partial thromboplastin time (aPTT)
- D. Complete blood count (CBC)
Correct answer: C
Rationale: Activated partial thromboplastin time (aPTT) is the most appropriate laboratory test to monitor the effectiveness of heparin therapy. Heparin works on the intrinsic pathway of the coagulation cascade, and monitoring aPTT helps assess its anticoagulant effect. Therapeutic levels of aPTT for clients on heparin therapy are typically 1.5 to 2.5 times the control value. Prothrombin time (PT) and International normalized ratio (INR) are used to monitor warfarin therapy, which acts on the extrinsic pathway of the coagulation cascade. Complete blood count (CBC) is not specific for monitoring the effectiveness of heparin therapy.
3. A client has been prescribed ciprofloxacin and is receiving discharge teaching. Which of the following instructions should be included by the healthcare provider?
- A. Take the medication with milk.
- B. Avoid exposure to sunlight.
- C. Take the medication at bedtime.
- D. Increase your intake of vitamin K.
Correct answer: B
Rationale: The correct answer is to instruct the client to avoid exposure to sunlight. Ciprofloxacin can increase the risk of photosensitivity, making it important to protect the skin from sunlight to prevent skin reactions. This precaution can help prevent skin damage and discomfort in individuals taking ciprofloxacin. Choices A, C, and D are incorrect. Taking ciprofloxacin with milk is not recommended as it may reduce the absorption of the medication. There is no specific instruction to take ciprofloxacin at bedtime. Increasing vitamin K intake is not directly related to ciprofloxacin therapy.
4. A client with heart failure is prescribed an angiotensin-converting enzyme (ACE) inhibitor. What instruction should the nurse reinforce to the client?
- A. Take the medication at bedtime.
- B. Report a persistent dry cough.
- C. Increase potassium-rich foods in the diet.
- D. Avoid taking the medication with meals.
Correct answer: B
Rationale: The correct answer is B. A persistent dry cough is a common side effect of ACE inhibitors and should be reported to the healthcare provider. This symptom can indicate a potential issue with the medication that may require adjustment or discontinuation. Choices A, C, and D are incorrect. Taking the medication at bedtime or with meals is not a specific instruction for ACE inhibitors. Increasing potassium-rich foods in the diet is not directly related to ACE inhibitor therapy and may not be suitable for all patients.
5. The nurse is caring for a client diagnosed with deep vein thrombosis (DVT). Which intervention should the nurse include in the client's plan of care to prevent the complication of pulmonary embolism?
- A. Encourage ambulation as tolerated.
- B. Administer anticoagulants as prescribed.
- C. Apply cold compresses to the affected area.
- D. Encourage the use of incentive spirometry.
Correct answer: B
Rationale: Administering anticoagulants as prescribed is crucial in preventing the complication of pulmonary embolism in clients with deep vein thrombosis. Anticoagulants help prevent the formation of new clots and the enlargement of existing ones, thereby reducing the risk of a pulmonary embolism. Encouraging ambulation as tolerated is beneficial for preventing complications related to immobility, but it is not the primary intervention to prevent pulmonary embolism in this case. Applying cold compresses to the affected area may help with pain and swelling but does not address the prevention of pulmonary embolism. Encouraging the use of incentive spirometry is more relevant in preventing respiratory complications such as atelectasis, not specifically pulmonary embolism.
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