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
A 26 year old female with 3 living issues having cervical erosion which bleeds to touch, diagnosis can be done by:a) Pap smearb) Excision biopsyc) Hysteroscopyd) Colposcopy 
Select and explain. 
A. acd, B. bcd, C. abd, D. ab
C: abd
Answer: C: abd 
Explanation: Cervical erosion (ectopy) is condition where the squamous epithelium of ectocervix is replaced by columnar epithelium of endocervix.
 
Etiology: