ATI LPN
Pharmacology for LPN
1. 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.
2. A client is taking furosemide. Which of the following findings should the nurse report to the provider?
- A. Weight gain
- B. Dry cough
- C. Hypokalemia
- D. Increased appetite
Correct answer: C
Rationale: Furosemide is a loop diuretic that can lead to potassium loss, resulting in hypokalemia. Hypokalemia is a serious electrolyte imbalance that can cause various cardiac and muscular issues. Therefore, the nurse should promptly report hypokalemia to the healthcare provider for appropriate management. Choices A, B, and D are incorrect because weight gain, dry cough, and increased appetite are not typically associated with furosemide use and are not immediate concerns that require urgent reporting.
3. A client with a history of deep vein thrombosis (DVT) is prescribed warfarin (Coumadin). The nurse should include which instruction in the discharge teaching?
- A. Take the medication at the same time each day
- B. Avoid green leafy vegetables in your diet
- C. Increase your intake of vitamin K-rich foods
- D. Stop the medication if you notice any bruising
Correct answer: A
Rationale: Taking warfarin at the same time each day is crucial to maintain consistent blood levels and ensure the effectiveness of the medication in preventing clot formation. Consistent timing helps in monitoring and adjusting the dosage as needed to keep the international normalized ratio (INR) within the therapeutic range to prevent clotting events or excessive bleeding. Choices B, C, and D are incorrect. Avoiding green leafy vegetables is a misconception; while they are high in vitamin K which antagonizes warfarin, they should not be avoided but consumed in moderation. Increasing vitamin K-rich foods can interfere with warfarin's effectiveness. Stopping the medication due to bruising can be dangerous as it may indicate a clotting problem that the medication is intended to prevent.
4. The healthcare provider is monitoring a client following cardioversion. Which observation should be of the highest priority to the healthcare provider?
- A. Blood pressure
- B. Status of airway
- C. Oxygen flow rate
- D. Level of consciousness
Correct answer: B
Rationale: The status of the airway is the highest priority following cardioversion as it ensures proper oxygenation and helps prevent complications such as airway obstruction and respiratory distress. Maintaining a patent airway is crucial for the client's respiratory function and overall well-being immediately after cardioversion. Monitoring the airway ensures that the client can breathe effectively and minimizes the risk of hypoxia and other serious respiratory issues. While blood pressure, oxygen flow rate, and level of consciousness are also important parameters to monitor, they are secondary to ensuring a clear and patent airway for adequate oxygenation.
5. A client with peptic ulcer disease is being taught about managing the disorder. Which of the following statements by the client indicates an understanding of the teaching?
- A. 'I should take NSAIDs for pain relief.'
- B. 'I should avoid drinking alcohol.'
- C. 'I should eat small, frequent meals.'
- D. 'I should drink milk to coat my stomach.'
Correct answer: B
Rationale: The correct answer is B. Avoiding alcohol is crucial in managing peptic ulcer disease as it helps prevent irritation and further damage to the stomach lining. Alcohol can worsen symptoms and hinder the healing process in individuals with this condition. Choice A is incorrect because NSAIDs can worsen peptic ulcers by irritating the stomach lining. Choice C is a correct dietary recommendation for managing peptic ulcer disease as it helps reduce stomach acid secretion and promotes healing. Choice D is incorrect as milk may temporarily soothe ulcer pain, but it can stimulate acid production and worsen symptoms in the long run.
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