1. 3 Mary-Ann, a 10-month-old girl, has been brought in with occasional vomiting for a couple of…

1. 3 Mary-Ann, a 10-month-old girl, has been brought in with occasional vomiting for a couple of days. The parents noticed that the vomitus is sometimes green and at other times brownish. They feel that Mary-Ann is in pain intermittently because she screams, flexing her knees and elbows, denoting spasms. They noticed that the nappy has bloodstained mucus. On examination she looks ill and dehydrated and the right side of the abdomen feels empty. 2. Acute abdomen A Non-specific abdominal pain B Acute appendicitis C Constipation D Urinary tract infection E Right lower-lobe pneumonia