This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vigina, Subject name: Gynaecology & Obstetrics
Anaerobic bacteria commonly found in cervix or vagina? 
Select and explain. 
A. Lactobacilli, B. Gardnerella, C. Mobilincus, D. Clostridium
A: Lactobacilli
Answer: A: Lactobacilli 
Explanation: ANSWER: (A) LactobacilliREF: Shaw 13th ed p. 125"Lactobacillus or Doderlein's bacillus is the most common organism found in vagina"