The nurse is caring for an infant with suspected pyloric stenosis. Which clinical manifestation would indicate pyloric stenosis?<\/p>\n\n\n\n
A. Abdominal rigidity and pain on palpation.
B. Rounded abdomen and hypoactive bowel sounds.
C. Visible peristalsis and weight loss.
D. Distention of the lower abdomen and constipation.<\/p>\n\n\n\n
The correct answer and Explanation is :<\/strong><\/mark><\/p>\n\n\n\n The correct answer is C. Visible peristalsis and weight loss.<\/strong><\/p>\n\n\n\n Pyloric stenosis is a condition that affects infants, characterized by the narrowing of the pylorus, the opening from the stomach into the small intestine. This narrowing obstructs the passage of food, leading to a range of clinical manifestations. Among these, the most classic signs are visible peristalsis and weight loss.<\/p>\n\n\n\n Visible peristalsis<\/strong> occurs when the strong contractions of the stomach muscles attempt to propel food through the narrowed pylorus. This can often be observed as waves of movement across the abdomen, particularly after feeding. The infant may seem to strain or have a visible ripple across the upper abdomen due to the forceful contractions.<\/p>\n\n\n\n Weight loss<\/strong> is another critical manifestation, as infants with pyloric stenosis are unable to retain adequate nutrition. The obstruction leads to vomiting, which is typically projectile and occurs shortly after feeding. This vomiting further contributes to the infant\u2019s inability to gain weight or maintain hydration, leading to dehydration and malnutrition.<\/p>\n\n\n\n Other options, such as A (abdominal rigidity and pain on palpation)<\/strong>, are not typical for pyloric stenosis in infants, as this condition generally does not present with significant abdominal pain. B (rounded abdomen and hypoactive bowel sounds)<\/strong> is more indicative of conditions like intestinal obstruction rather than pyloric stenosis. Finally, D (distention of the lower abdomen and constipation)<\/strong> does not align with the typical presentation of pyloric stenosis, which is primarily associated with the upper gastrointestinal tract.<\/p>\n\n\n\n In summary, the key indicators of pyloric stenosis are visible peristalsis and weight loss due to vomiting and obstruction, which necessitate prompt diagnosis and intervention to prevent severe complications.<\/p>\n","protected":false},"excerpt":{"rendered":" The nurse is caring for an infant with suspected pyloric stenosis. Which clinical manifestation would indicate pyloric stenosis? A. Abdominal rigidity and pain on palpation.B. Rounded abdomen and hypoactive bowel sounds.C. Visible peristalsis and weight loss.D. Distention of the lower abdomen and constipation. The correct answer and Explanation is : The correct answer is C. 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