A nurse is caring for an infant who has aganglionic megacolon causing decreased motility of part of the intestine. The nurse should identify this finding of mechanical obstruction as a manifestation of which of the following disorders?
Pyloric stenosis
Encopresis
Hirschsprung's disease
Enterocolitis
The Correct Answer is C
A. Pyloric stenosis involves obstruction at the outlet of the stomach and is not related to the large intestine.
B. Encopresis refers to bowel incontinence and is not typically associated with mechanical obstruction of the large intestine.
C. Hirschsprung's disease, characterized by the absence of ganglion cells in the large intestine, results in decreased motility and mechanical obstruction, leading to megacolon.
D. Enterocolitis is inflammation of the intestines and can be a complication of Hirschsprung's disease but is not the primary disorder causing mechanical obstruction.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Broth may be too heavy for the stomach and could exacerbate symptoms in a child with acute gastroenteritis.
B. Water alone may not adequately replace lost electrolytes, which are crucial in cases of gastroenteritis.
C. Diluted apple juice may not provide the necessary electrolyte replacement needed for fluid resuscitation in acute gastroenteritis.
D. Oral rehydration solution is specifically formulated to replace lost fluids and electrolytes and is the recommended fluid for children with acute gastroenteritis.
Correct Answer is A
Explanation
A. Intussusception typically presents with a palpable, sausage-shaped mass in the abdomen and stools mixed with blood and mucus.
B. Tracheoesophageal fistula presents with respiratory distress and may involve aspiration, but it does not typically present with abdominal mass or bloody stools.
C. Hypertrophic pyloric stenosis presents with projectile vomiting and may cause dehydration but does not typically present with bloody stools.
D. Inguinal hernia presents with a bulge in the groin area but is not typically associated with bloody stools or abdominal mass.
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