Australian Dental Council (ADC) Practice Test

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What is a characteristic feature seen in pyloric stenosis?

Vomiting of undigested food

Erosion of maxillary central incisors

In pyloric stenosis, a characteristic feature is the vomiting of undigested food, which primarily occurs due to the obstruction of the pylorus, the opening from the stomach into the small intestine. This condition typically presents in infants, where the narrowed pylorus prevents the normal passage of food, leading to regurgitation of the food that has not yet been digested.

Erosion of maxillary central incisors is more commonly associated with conditions such as gastroesophageal reflux disease (GERD) rather than pyloric stenosis. Loss of appetite and weakness can be observed in various medical conditions, but they are not hallmark signs of pyloric stenosis. Thus, the vomiting of undigested food remains the most specific symptom linked to this condition, highlighting the physiological impact of the obstruction on the digestive process.

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Loss of appetite

Weakness

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