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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
Decreased follicle-stimulating hormone is not the major cause of the onset of menopause and the resulting atrophy of the vulvar organs. The major cause is decreased estrogen.
Choice B rationale
Increased levels of prostaglandin are not the major cause of the onset of menopause and the resulting atrophy of the vulvar organs. The major cause is decreased estrogen.
Choice C rationale
Decreased estrogen is the major cause of the onset of menopause and the resulting atrophy of the vulvar organs. During perimenopause, less estrogen may cause the tissues of the vulva and the lining of the vagina to become thinner, drier, and less elastic or flexible.
Choice D rationale
Increased luteinizing hormone is not the major cause of the onset of menopause and the resulting atrophy of the vulvar organs. The major cause is decreased estrogen.
Correct Answer is D
Explanation
Choice A rationale
Hyperglycemia, or high blood sugar, is a condition that is most commonly seen in individuals with diabetes. Symptoms can include frequent urination, increased thirst, and increased hunger. If left untreated, it can lead to serious complications such as diabetic ketoacidosis.
Choice B rationale
Anemia is a condition characterized by a decrease in the total amount of red blood cells or hemoglobin in the blood, or a lowered ability of the blood to carry oxygen. Symptoms can include fatigue, weakness, pale or yellowish skin, irregular heartbeats, shortness of breath, dizziness or lightheadedness, and chest pain.
Choice C rationale
Type 1 diabetes mellitus is a chronic condition in which the pancreas produces little or no insulin, a hormone needed to allow sugar (glucose) to enter cells to produce energy. The far more common type 2 diabetes occurs when the body becomes resistant to insulin or doesn’t make enough insulin.
Choice D rationale
Hypertension, or high blood pressure, is a common condition in which the long-term force of the blood against your artery walls is high enough that it may eventually cause health problems, such as heart disease. If the nurse is reviewing the client’s medical records and actions to be taken, it is likely that the client is experiencing hypertension.
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