The nurse is caring for a client who underwent a colon resection yesterday due to having a bowel obstruction. ABGs show metabolic alkalosis. The nurse expects this finding is because of:
The client has a nasogastric tube connected to suction
The client is having a panic attack
The client has end-stage renal disease (ESRD)
The client has an epidural catheter for pain control
The Correct Answer is A
Choice A reason: Nasogastric suction removes gastric acid (HCl), reducing hydrogen ions, raising pH, and causing metabolic alkalosis, a common post-surgical complication here.
Choice B reason: Panic attacks cause respiratory alkalosis from hyperventilation, lowering CO2, not metabolic alkalosis, which involves base excess, unrelated to this ABG.
Choice C reason: ESRD typically causes metabolic acidosis from acid retention, not alkalosis, as kidneys fail to excrete hydrogen, opposing this patient’s ABG findings.
Choice D reason: Epidural catheters manage pain with analgesics, not affecting acid-base balance or causing metabolic alkalosis, irrelevant to the ABG shift observed.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A reason: Renin, from the kidneys, regulates blood pressure via angiotensin, not a thyroid product, unrelated to its metabolic or calcium functions.
Choice B reason: BNP, secreted by the heart, reduces volume overload in heart failure, not a thyroid hormone, distinct from its endocrine role.
Choice C reason: Erythropoietin, from kidneys, stimulates red blood cell production, not produced by the thyroid, which focuses on metabolism and calcium.
Choice D reason: Calcitonin, from thyroid parafollicular cells, lowers blood calcium by inhibiting bone resorption, a key thyroid hormone alongside T3/T4.
Correct Answer is A
Explanation
Choice A reason: Nasogastric suction removes gastric acid (HCl), reducing hydrogen ions, raising pH, and causing metabolic alkalosis, a common post-surgical complication here.
Choice B reason: Panic attacks cause respiratory alkalosis from hyperventilation, lowering CO2, not metabolic alkalosis, which involves base excess, unrelated to this ABG.
Choice C reason: ESRD typically causes metabolic acidosis from acid retention, not alkalosis, as kidneys fail to excrete hydrogen, opposing this patient’s ABG findings.
Choice D reason: Epidural catheters manage pain with analgesics, not affecting acid-base balance or causing metabolic alkalosis, irrelevant to the ABG shift observed.
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