ATI LPN
ATI Learning System PN Medical Surgical Final Quizlet
1. A patient with Parkinson's disease is prescribed levodopa. What dietary modification should the nurse suggest to the patient?
- A. Increase intake of vitamin C.
- B. Limit foods high in protein.
- C. Avoid foods rich in fiber.
- D. Increase sodium intake.
Correct answer: B
Rationale: The correct answer is to limit foods high in protein. Patients taking levodopa should restrict their intake of protein-rich foods because protein can interfere with the absorption of the medication. Levodopa competes with dietary proteins for absorption in the small intestine, potentially reducing the effectiveness of the medication. Therefore, by reducing protein intake, the patient can enhance the absorption and therapeutic effects of levodopa. Increasing vitamin C intake is not necessary for patients prescribed with levodopa. Avoiding foods rich in fiber or increasing sodium intake are not directly related to optimizing levodopa therapy and might not benefit the patient's condition.
2. A patient with a diagnosis of peptic ulcer disease is prescribed omeprazole. When should the patient take this medication for optimal effectiveness?
- A. With meals
- B. At bedtime
- C. Before meals
- D. After meals
Correct answer: C
Rationale: Omeprazole is best taken before meals for optimal effectiveness in reducing stomach acid production and promoting ulcer healing. Taking it before meals allows the medication to act on the proton pumps before food intake triggers acid production, thereby maximizing its therapeutic benefits. Choices A, B, and D are incorrect because taking omeprazole with meals, at bedtime, or after meals may not align with its mechanism of action, potentially reducing its effectiveness in managing peptic ulcer disease.
3. A 55-year-old man presents with jaundice, pruritus, and dark urine. Laboratory tests reveal elevated bilirubin and alkaline phosphatase. Imaging shows dilated intrahepatic bile ducts and a normal common bile duct. What is the most likely diagnosis?
- A. Primary biliary cirrhosis
- B. Primary sclerosing cholangitis
- C. Gallstones
- D. Pancreatic cancer
Correct answer: A
Rationale: The clinical presentation of jaundice, pruritus, dark urine, elevated bilirubin and alkaline phosphatase, along with imaging findings of dilated intrahepatic bile ducts and a normal common bile duct, are characteristic of primary biliary cirrhosis. Primary biliary cirrhosis is an autoimmune liver disease that leads to destruction of intrahepatic bile ducts, causing cholestasis and liver damage. This condition typically presents in middle-aged women but can also affect men, as seen in this case.
4. A patient with anemia is prescribed ferrous sulfate. What advice should the nurse give regarding the administration of this medication?
- A. Take with dairy products to increase absorption.
- B. Take on an empty stomach for best absorption.
- C. Avoid vitamin C while taking this medication.
- D. Take before bedtime.
Correct answer: B
Rationale: The correct advice for the administration of ferrous sulfate is to take it on an empty stomach for best absorption. This enhances the absorption of iron. If gastrointestinal upset occurs, the medication can be taken with food. Taking ferrous sulfate with dairy products is not recommended as calcium can inhibit iron absorption. Taking it before bedtime is also not recommended. Vitamin C can actually help with the absorption of iron and is often recommended to be taken alongside iron supplements to enhance absorption. Therefore, avoiding vitamin C while taking ferrous sulfate is not correct.
5. A client has developed hepatic encephalopathy secondary to cirrhosis and is receiving care on the medical unit. The client's current medication regimen includes lactulose four times daily. What desired outcome should the nurse relate to this pharmacologic intervention?
- A. Two to three soft bowel movements daily
- B. Significant increase in appetite and food intake
- C. Absence of nausea and vomiting
- D. Absence of blood or mucus in stool
Correct answer: A
Rationale: Lactulose is used in hepatic encephalopathy to reduce blood ammonia levels by promoting bowel movements. The desired outcome of lactulose therapy is typically two to three soft bowel movements daily, which helps in eliminating excess ammonia from the body, thus improving the client's condition.
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