A nurse is assessing a child who has rhabdomyosarcoma of the nasopharynx. What is an expected finding for this malignancy?

Choice A reason: Pyloric stenosis is not a manifestation of inadequate motility of part of the intestine, but rather a hypertrophy of the pyloric muscle, which causes gastric outlet obstruction and delayed gastric emptying. Pyloric stenosis typically presents with projectile vomiting, dehydration, weight loss, and a palpable olive-shaped mass in the abdomen.

Choice B reason: Hirschsprung's disease is a manifestation of inadequate motility of part of the intestine, as it is caused by the absence of ganglion cells in the distal colon, which results in a lack of peristalsis and a functional obstruction. Hirschsprung's disease typically presents with constipation, abdominal distension, failure to thrive, and enterocolitis.

Choice C reason: Encopresis is not a manifestation of inadequate motility of part of the intestine, but rather a condition in which a child over 4 years of age involuntarily passes stool, usually due to chronic constipation and fecal impaction. Encopresis typically presents with soiling of the underwear, abdominal pain, low self-esteem, and behavioral problems.

Choice D reason: Enterocolitis is not a manifestation of inadequate motility of part of the intestine, but rather an inflammation of the mucosa of the small and large intestines, which can be caused by various infections, allergies, or ischemia. Enterocolitis typically presents with diarrhea, fever, abdominal pain, and dehydration.

Choice A reason: A 13% weight loss is not a finding of severe dehydration, but rather of moderate dehydration. Severe dehydration is characterized by a weight loss of more than 15%.

Choice B reason: A rapid pulse is a finding of severe dehydration, as the body tries to compensate for the fluid loss and maintain the blood pressure.

Choice C reason: A bulging anterior fontanel is not a finding of severe dehydration, but rather of increased intracranial pressure. A sunken anterior fontanel is a sign of severe dehydration, as the brain tissue loses water and shrinks.

Choice D reason: Moist mucous membranes are not a finding of severe dehydration, but rather of normal hydration. Dry mucous membranes are a sign of severe dehydration, as the body loses water and electrolytes.

Choice E reason: Decreased urine output is a finding of severe dehydration, as the kidneys try to conserve water and produce less urine. This can lead to renal failure if not corrected.