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Chapter 45. Pediatric Surgery
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What would be the most common electrolyte and acid-base abnormality seen in a 5-week-old infant with ongoing emesis from pyloric stenosis?
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A. Hyperchloremic metabolic acidosis
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B. Hypernatremic metabolic acidosis
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C. Hyponatremic metabolic acidosis
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D. Hypochloremic metabolic alkalosis
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E. Hyponatremic metabolic alkalosis
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The correct answer is D. Hypochloremic metabolic alkalosis
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What is the most appropriate diagnostic test for an otherwise healthy 2-month-old infant with new-onset bilious emesis?
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B. Upper gastrointestinal series
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C. Computed tomography (CT) scan of abdomen and pelvis
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The correct answer is B. Upper gastrointestinal series
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Which of the following is the most appropriate management strategy for an otherwise healthy 2-year-old boy seen in the surgery clinic with an asymptomatic umbilical hernia?
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A. Repair the hernia electively within the next few weeks due to risk of incarceration.
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B. Inform the parents that repair is not indicated unless the hernia becomes symptomatic or enlarges over time.
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C. CT scan should be attained to determine the size of the hernia defect.
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D. Reassure the parents that repair is not needed until 4-5 years of age to allow for spontaneous resolution.
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E. Admit the child to the hospital for urgent repair.
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The correct answer is D. Reassure the parents that repair is not needed until 4-5 years of age to allow for spontaneous resolution
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The most common types of anorectal malformation (ARM) seen in boys and girls are:
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A. Rectoperineal fistula and rectovestibular fistula, respectively
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B. Rectovesical fistula and rectovestibular fistula, respectively
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C. Rectoperineal fistula and cloacal malformation, respectively
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D. Rectourethral fistula and rectovestibular fistula, respectively
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E. ARM without a fistula (blind-ending rectum) and rectourethral fistula and cloacal malformation, respectively
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The correct answer is D. Rectourethral fistula and rectovestibular fistula, respectively
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Which of the following is ...