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: Microbiology
[{'content': 'Positive shick’s test indicates that person is : \nSelect and explain. \nA. Immune to diphtheria, B. Hypersensitive to diptheria, C. Susceptible to diptheria, D. Carrier of diphtheria', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Shick’s test\n\nIntradermal test which provide information regarding :\n\na. Immune status, b. Hypersensitivity & susceptibility to diptheria toxin before giving active immunization.\n\n\xa0In one arm toxin is injected (test arm) and in other arm heat inactivated toxin is injected (control arm).', 'role': 'assistant'}]