A nurse is caring for four clients who have drainage tubes. The nurse should identify the client who has which of the following tubes as being at risk for hypokalemia?
A nephrostomy tube to a drainage bag
An NG tube to suction
An indwelling urinary catheter to gravity drainage
A chest tube to water-seal drainage
The Correct Answer is B
A. A nephrostomy tube to a drainage bag:
A nephrostomy tube drains urine from the kidney to a drainage bag. While it's essential for urinary drainage, it doesn't lead to significant potassium loss, as potassium is primarily excreted through the urine.
B. An NG tube to suction:
An NG tube (Nasogastric tube) is inserted through the nose into the stomach. When connected to suction, it can remove stomach contents, including gastric acid and potassium. Excessive suctioning can lead to significant potassium loss, potentially causing hypokalemia.
C. An indwelling urinary catheter to gravity drainage:
An indwelling urinary catheter drains urine from the bladder into a drainage bag by gravity. While potassium can be found in urine, the drainage through a catheter does not cause significant potassium loss unless there are underlying kidney issues, which are not specified in this scenario.
D. A chest tube to water-seal drainage:
A chest tube removes air or fluid from the pleural space around the lungs. While chest tubes are vital for lung expansion, they don't result in significant potassium loss as they are not connected to body fluids rich in potassium, like gastric acid or urine.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Keep the head of the bed elevated at 15 degrees.
This is not sufficient for preventing aspiration and ensuring proper digestion. The head of the bed should be elevated at least 30 degrees to reduce the risk of aspiration and promote better digestion of enteral feedings.
B. Place enough formula in the feeding bag to last for 8 hr of continuous feeding: It is recommended to change the feeding formula and bag every 24 hours. Placing formula for an extended period can increase the risk of bacterial growth.
C. Flush the tube with 30 ml of water every 4 hr: Regular flushing of the tube helps maintain patency, prevents clogging, and ensures proper hydration. Flushing every 4 hours is a standard practice for continuous feeding.
D. Change the feeding bag and tubing every 72 hr: Feeding bags and tubing should be changed more frequently, typically every 24 hours, to reduce the risk of infection.
Correct Answer is D
Explanation
A. A high protein diet: While protein is essential, there is no specific indication for a high protein diet in managing chronic cholecystitis. The focus is more on reducing fat intake.
B. A high fiber diet: While a high fiber diet is generally healthy, it is not specifically emphasized for managing chronic cholecystitis. The emphasis is on reducing fat intake.
C. A low sodium diet: Sodium restriction is important for conditions like hypertension and heart failure. While it’s good for overall health, it's not a primary focus for managing chronic cholecystitis. Again, the emphasis is on reducing fat intake to prevent gallbladder attacks.
D. A low-fat diet
This is the correct answer. A low-fat diet is often recommended for individuals with chronic cholecystitis or gallstones. A low-fat diet helps to reduce the workload on the gallbladder, as fatty foods can trigger gallbladder attacks.
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