ATI LPN
ATI Learning System PN Medical Surgical Final Quizlet
1. A client with a new diagnosis of myasthenia gravis is prescribed pyridostigmine (Mestinon). Which instruction should the nurse include in the client's teaching?
- A. Take the medication with food to prevent gastrointestinal upset.
- B. Take the medication 30 minutes before meals.
- C. Avoid dairy products while taking this medication.
- D. Take the medication at bedtime.
Correct answer: B
Rationale: The correct instruction for a client with myasthenia gravis prescribed pyridostigmine (Mestinon) is to take the medication 30 minutes before meals. This timing is crucial as it helps improve muscle strength for eating and swallowing. By taking the medication before meals, the client can experience enhanced muscle function during mealtime, which is especially important for managing the symptoms of myasthenia gravis. Choices A, C, and D are incorrect. Taking the medication with food may decrease its effectiveness, avoiding dairy products is not necessary, and taking the medication at bedtime does not coincide with the optimal timing for enhancing muscle function during meals.
2. A client with hepatic encephalopathy is being treated with lactulose. What is an expected outcome of this treatment?
- A. Reduction in blood ammonia levels
- B. Improvement in liver enzyme levels
- C. Decrease in bilirubin levels
- D. Increase in urine output
Correct answer: A
Rationale: Lactulose is used to treat hepatic encephalopathy by reducing blood ammonia levels through promoting its excretion via the intestines. Elevated ammonia levels contribute to the development of encephalopathy symptoms, so by lowering them, the client's neurological status can improve.
3. A client with a history of myocardial infarction (MI) is prescribed atorvastatin (Lipitor). Which outcome indicates that the medication is effective?
- A. Increased blood pressure.
- B. Lowered cholesterol levels.
- C. Decreased heart rate.
- D. Improved liver function.
Correct answer: B
Rationale: The correct answer is B: Lowered cholesterol levels. Atorvastatin is a medication commonly prescribed to lower cholesterol levels, which is crucial in reducing the risk of further cardiovascular events, including myocardial infarction (MI). Monitoring cholesterol levels is essential to assess the effectiveness of atorvastatin therapy and its role in preventing future cardiac complications. Choices A, C, and D are incorrect because increased blood pressure, decreased heart rate, and improved liver function are not direct indicators of atorvastatin's effectiveness in a client with a history of MI.
4. A patient with hyperthyroidism is prescribed propylthiouracil (PTU). What is the primary purpose of this medication?
- A. Increase thyroid hormone production
- B. Suppress thyroid hormone production
- C. Enhance iodine absorption
- D. Stimulate the thyroid gland
Correct answer: B
Rationale: Propylthiouracil (PTU) is a medication used to treat hyperthyroidism by suppressing the production of thyroid hormones. It works by inhibiting the enzyme responsible for the synthesis of thyroid hormones, thereby reducing their levels in the body. This helps to alleviate the symptoms of hyperthyroidism and restore thyroid hormone levels to normal range.
5. While assessing a 70-year-old female client with Alzheimer's disease, the nurse notes deep inflamed cracks at the corners of her mouth. What intervention should the nurse include in this client's plan of care?
- A. Apply a moisturizing cream to the affected areas.
- B. Encourage the client to consume foods rich in vitamin B.
- C. Notify the healthcare provider for further evaluation.
- D. Ensure that the client gets adequate B vitamins in foods or supplements.
Correct answer: D
Rationale: Cracks at the corners of the mouth, known as angular cheilitis, can be a sign of vitamin B deficiency, specifically B2 (riboflavin) or B3 (niacin). The nurse should ensure that the client receives adequate B vitamins through foods rich in these nutrients or supplements to address the deficiency, which can help improve the condition of the client's mouth.
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