This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: External Genitalia, Subject name: Gynaecology & Obstetrics
Clue cells are- 
Select and explain. 
A. Epithelial cells, B. Lymphocytes, C. Neutrophills, D. Macrophages
A: Epithelial cells
Answer: A: Epithelial cells 
Explanation: Ans. is 'a' i.e., Epithelial cells Clue cells are seen on wet mount microscopy of discharge in bacterial vaginosis. They are epithelial cells having a granular cytoplasm and fuzzy border, caused by gram negative bacilli adhered to their surface.Microscopic features of Bacterial vaginosiso Microscopy of bacterial vaginosis showso Clue cells in wet mounto Increase in the no. of Gardnerella vaginaliso Decrease no. of lactobacillio Decrease or absent polymorphs