ATI LPN
ATI Learning System PN Medical Surgical Final Quizlet
1. A patient with deep vein thrombosis (DVT) is prescribed warfarin. Which dietary instruction should the nurse provide?
- A. Avoid foods high in vitamin K.
- B. Increase intake of dairy products.
- C. Limit intake of citrus fruits.
- D. Avoid high-sodium foods.
Correct answer: A
Rationale: Patients on warfarin should avoid foods high in vitamin K because vitamin K can interfere with the anticoagulant effect of the medication. Warfarin works by inhibiting vitamin K-dependent clotting factors, so consuming large amounts of vitamin K-rich foods may decrease the effectiveness of the medication. Choices B, C, and D are incorrect. Increasing intake of dairy products, limiting citrus fruits, or avoiding high-sodium foods are not directly related to the mechanism of action of warfarin or its dietary considerations.
2. A client with a history of deep vein thrombosis (DVT) is receiving warfarin (Coumadin). Which laboratory value indicates a therapeutic effect of the medication?
- A. INR of 2.5.
- B. PTT of 45 seconds.
- C. Hemoglobin of 12 g/dL.
- D. Platelet count of 150,000/mm³.
Correct answer: A
Rationale: An INR (International Normalized Ratio) of 2.5 indicates a therapeutic level for clients receiving warfarin (Coumadin) to prevent thromboembolism. It is essential to monitor INR levels regularly when on warfarin therapy to ensure that the blood's ability to clot is within the desired range to prevent both clotting and excessive bleeding.
3. The client with gastroesophageal reflux disease (GERD) is being taught about dietary modifications by the nurse. Which instruction should the nurse include?
- A. Increase your intake of spicy foods.
- B. Avoid lying down immediately after eating.
- C. Consume a high-fat diet.
- D. Drink caffeinated beverages with meals.
Correct answer: B
Rationale: Avoiding lying down immediately after eating is essential in managing GERD as it helps prevent reflux symptoms by allowing gravity to assist in keeping stomach contents down. Lying down can worsen symptoms by allowing acid to flow back into the esophagus.
4. A patient with chronic pain is prescribed gabapentin. What is the primary purpose of this medication?
- A. Relieve neuropathic pain
- B. Reduce inflammation
- C. Enhance opioid analgesia
- D. Suppress cough
Correct answer: A
Rationale: Gabapentin is primarily prescribed to relieve neuropathic pain. It works by stabilizing electrical activity in the nerves, making it effective in managing conditions such as diabetic neuropathy, postherpetic neuralgia, and other forms of chronic pain originating from nerve damage.
5. A patient is admitted with a diagnosis of myasthenia gravis. What symptom should the nurse expect to find during the assessment?
- A. Joint pain
- B. Muscle weakness
- C. Loss of sensation
- D. Severe headache
Correct answer: B
Rationale: Myasthenia gravis is a neuromuscular disorder characterized by muscle weakness and fatigue, especially in the voluntary muscles. Patients with myasthenia gravis commonly experience weakness in muscles that control eye movements, facial expressions, chewing, swallowing, and speaking. This weakness typically worsens with activity and improves with rest. Joint pain, loss of sensation, and severe headaches are not typical symptoms of myasthenia gravis. Therefore, the correct answer is muscle weakness (choice B) as it aligns with the characteristic symptom of myasthenia gravis.
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