This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
[{'content': 'True about colonic organisms is - \nSelect and explain. \nA. Distal ileum 103- 105 org, B. colon 1010-1011, C. First org in new born is coliforms and streptococcus, D. Chyme in jejunum contains many bacteria', 'role': 'user'}, {'content': 'Answer: B \nExplanation: • At birth, the intestine is sterile, but organisms are soon introduced with food.\n• In the breastfed children, the organisms present in the intestine: Lactic acid streptococci and Lactobacilli.\n• In normal adults, the stomach acidity keeps the number of microorganism at minimum, unless obstruction at the pylorus favors the proliferation of gram positive cocci and bacilli.\n• As the pH of intestinal contents becomes alkaline, the resident flora gradually increases.\n• In diarrhea, bacterial count decreases, whereas count increases in intestinal obstruction.', 'role': 'assistant'}]