A nurse is caring for four clients who have various types of drainage tubes.
Which of the following clients should the nurse identify as being at risk for hypokalemia?
The client who has an indwelling urinary catheter to gravity drainage
The client who has a chest tube to water seal
The client who has a nasogastric (NG) tube to suction
The client who has a tracheostomy tube attached to humidified oxygen
The Correct Answer is C
Choice A rationale
The client who has an indwelling urinary catheter to gravity drainage is not at risk for hypokalemia. The kidneys regulate the balance of potassium by removing excess potassium into the urine. The use of a urinary catheter would not affect this process.
Choice B rationale
The client who has a chest tube to water seal is not at risk for hypokalemia. Chest tubes are used to treat conditions that can cause the lung to collapse, such as pneumothorax, hemothorax, or pleural effusion. They do not affect the body’s potassium levels.
Choice C rationale
The client who has a nasogastric (NG) tube to suction is at risk for hypokalemia. Hypokalemia, or low potassium levels, can occur with loss of gastric fluids because these fluids contain potassium. With an NG tube to suction, these fluids are being removed from the body, which can lead to a decrease in potassium levels.
Choice D rationale
The client who has a tracheostomy tube attached to humidified oxygen is not at risk for hypokalemia. A tracheostomy tube allows air to enter the lungs. It does not affect the body’s potassium levels.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
Facial edema, or swelling in the face, can be a sign of a serious complication during pregnancy, such as preeclampsia. Preeclampsia is a condition characterized by high blood pressure and signs of damage to another organ system, often the liver and kidneys.
Choice B rationale
Leukorrhea, or a thick, milky discharge from the vagina, is a common and normal symptom of pregnancy. It is not typically a sign of a complication.
Choice C rationale
Nausea and vomiting are common symptoms during the first trimester of pregnancy. However, severe or persistent nausea and vomiting can indicate a condition called hyperemesis gravidarum, which requires medical attention.
Choice D rationale
Urinary frequency is a common symptom during pregnancy and is not typically a sign of a complication.
Correct Answer is C
Explanation
Choice A rationale
The statement about shock waves refers to a different procedure called extracorporeal shock wave lithotripsy, which is used to break up kidney stones and gallstones. It is not related to an oral cholangiogram.
Choice B rationale
An oral cholangiogram does not involve inserting a camera down the throat. This statement seems to refer to an endoscopic procedure, which is different from an oral cholangiogram.
Choice C rationale
This statement is correct. An oral cholangiogram is an X-ray examination of the gallbladder and bile ducts. The patient takes an oral medication that makes these structures more visible on the X-ray.
Choice D rationale
This statement is incorrect. An oral cholangiogram does not involve putting medication into the gallbladder to dissolve stones. This seems to refer to a different treatment approach.
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