The physician orders 1000 mL D5W to infuse over 10 hours. There is 375 mL left in the bag. How many hours and minutes will it be before the bag is empty?

Answer and Explanation

The Correct Answer is ["3.75"]

Step 1: Calculate the infusion rate per hour:
1000 mL ÷ 10 hours = 100 mL/hour

Step 2: Calculate time to infuse remaining 375 mL:
375 mL ÷ 100 mL/hour = 3.75 hours

Step 3: Convert 0.75 hour to minutes:
0.75 × 60 = 45 minutes

Final answer: 3 hours and 45 minutes

Rationale:
The infusion rate is constant. Time remaining = remaining volume ÷ rate. Convert decimal hours to minutes for precise documentation.

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Correct Answer is A

Explanation

A. Lactulose works by reducing the absorption of ammonia in the intestines, a key factor in hepatic encephalopathy. The desired effect is two to three soft stools per day, which helps eliminate ammonia.
B. Lactulose does not directly affect appetite or food intake.
C. Although gastrointestinal symptoms may improve, lactulose is not used to treat nausea and vomiting.
D. Lactulose is not indicated for treating or preventing gastrointestinal bleeding or mucus in the stool.

A. Laparoscopic cholecystectomy poses fewer surgical risks than an open procedure. B. Laparoscopic cholecystectomy can be performed in a clinic setting, while an open procedure requires an OR. C. A laparoscopic approach allows for the removal of the entire gallbladder. D. A laparoscopic approach can be performed under conscious sedation.

Correct Answer is A

Explanation

A. Laparoscopic cholecystectomy is less invasive, associated with fewer complications, shorter hospital stays, reduced postoperative pain, and quicker recovery — making it the preferred method.
B. It is not typically performed in a clinic setting; both laparoscopic and open procedures are done in an operating room.
C. Both procedures remove the entire gallbladder; the difference lies in the surgical approach, not the extent of removal.
D. General anesthesia is required for laparoscopic cholecystectomy, not conscious sedation.

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The physician orders 1000 mL D5W to infuse over 10 hours. There is 375 mL left in the bag. How many hours and minutes will it be before the bag is empty?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is caring for a patient on the medical unit. A client has developed hepatic encephalopathy secondary to cirrhosis. The client's current medication regimen includes lactulose four times daily. What desired outcome should the nurse relate to this pharmacologic intervention?

Correct Answer is A

Explanation

A nurse is caring for a client with a cholelithiasis who has been scheduled for a laparoscopic cholecystectomy. Why is laparoscopic cholecystectomy preferred by surgeons over an open procedure?

Correct Answer is A

Explanation

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