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: Pediatrics
[{'content': '5 year old child with pseudomembrane in throat, fever, sore throat, organism is ? \nSelect and explain. \nA. Comma shaped gram negative bacilli, B. Club shaped gram positive bacilli, C. Spore forming gram positive bacilli, D. Filamentous gram positive bacilli', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Club shaped gram positive bacilli Corney bacterium diphtheria Non motile, non-capsulated, club shaped gram positive bacillus. Infect nasopharynx & release exotoxin which cause local inflamation of epithelial surface, formation of membrane (pseudomembrane) and toxemia.", 'role': 'assistant'}]