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: Gynaecology & Obstetrics
[{'content': 'Pap smear is useful in the diagnosis of all EXCEPT: \nSelect and explain. \nA. Gonorrhoea, B. Trichomonas vaginalis, C. Human papilloma virus, D. Inflammatory changes', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The Papanicolaou test (also called Pap amear, Pap test, cervical smear, or smear test) is a screening test to detect premalignant and malignant processes in the transformation zone.\nAbnormal results are reported according to the Bethesda System. They include:\nSquamous cell abnormalities (SIL)\n\nA typical squamous cells of undetermined significance (ASC-US)\nLow grade squamous intraepithelial lesion (LGSIL or LSIL)\nA typical squamous cells cannot exclude HSIL (ASC-H)\nHigh-grade squamous intraepithelial lesion (HGSIL or HSIL)\nSquamous cell carcinoma\n\nGlandular epithelial cell abnormalities\n\nEndocervical and endometrial abnormalities can also be detected by pap smear\nA number of infectious processes, including yeast, candidiasis, herpes simplex virus, and trichomoniasis can also be detected however, it is not very sensitive at detecting these infections, so absence of detection on a Pap does not mean absence of the infection.', 'role': 'assistant'}]