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 C
Explanation
A. A slow, bounding pulse is not typically associated with dehydration; tachycardia is more common.
B. Tetany is not typically seen in dehydration but can occur in severe cases of electrolyte imbalance.
C. Irritability is a common behavioral sign of dehydration, especially in infants.
D. Decreased temperature is not a typical finding in dehydration; fever may be present due to underlying illness causing the dehydration.
Correct Answer is C
Explanation
A. Red currant jelly stools are associated with intussusception, not pyloric stenosis.
B. Distended neck veins are not typically seen in pyloric stenosis.
C. Projectile vomiting, especially after feeding, is a classic sign of pyloric stenosis.
D. A ridged abdomen is not a typical finding in pyloric stenosis.
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