Q- A 2-week-old boy is brought for persistent vomiting of non-bilious material after feeding. The boy is lysergic and dehydrated. Examination reveals presence of an olive-sized mass in the epigastric area moving with peristalsis.
What is the most likely diagnosis?
A- Duodenal atresia
B- Esophageal atresia
C- Meckel’s diverticulum
D- Pyloric stenosis
Q- Which of the following is the substance released from the parietal cells of the stomach?
B- Hydrochloric acid
Q- Which of the following tests is diagnostic in case of a 2-week old boy with persistent vomiting of non-bilious material after feeding?
A- Abdominal ultrasound
B- Barium studies
C- Chest x-ray