This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Staging, Investigation and Prognostic Factors, Subject name: Gynaecology & Obstetrics
Screening test for cervical cancer is: 
Select and explain. 
A. Biopsy, B. Papaniculaou smear, C. Visual inspection, D. Colposcopy
B: Papaniculaou smear
Answer: B: Papaniculaou smear 
Explanation: Ans. (b) Papaniculaou smearRef. Shaw's Gynae 15th ed./. 403* Pap smear is taken from cervix, with Arye spatula, rotated 360deg to pick up cells from squamo-columnar junction. Vaginal smear for hormonal evaluation is taken from lateral fornix* The objective of screening is to reduce the incidence and mortality from cervical cancer* Pap smear test has been effective reducing the incidence of cervical cancer by 80% and the mortality by 70%.* Please refer to above explanation also.