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: Unknown
[{'content': 'All are true about scrub typhus, except : \nSelect and explain. \nA. Causative organism is O. Tsutsugamoshi, B. Vector is trombiculide mite, C. Adult female feeds on vertebrate hosts, D. Tetracycline is the drug of choice', 'role': 'user'}, {'content': 'Answer: C \nExplanation: “Mite feeds on serum of warm blood animals only during there larval stage (chiggers) and adult mites feed only on plants”\nScrub typhus :\nCaused by O. tsutsugamushi\nTransmitted by trombiculid mite which also shows transovarian spread\nClinical features :\nFever, headache, myalgia, cough and GI symptoms.\nClassic case includes an eschar, regional lymphadenopathy and a maculopapular rash.', 'role': 'assistant'}]