This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Epidemiology, Subject name: Social & Preventive Medicine
Pasteurization is _________________ disinfection- 
Select and explain. 
A. Precurrent, B. Concurrent, C. Preconcurrent, D. Terminal
A: Precurrent
Answer: A: Precurrent 
Explanation: pasteurisation may be defined as the heating of milk to such temperatures and for such periods of time as are required to destroy any pathogens that may be present while causing minimal changes in the composition,flavour,and nutritive value.several metjods employed include,;holder method,HTST method,UHT methodref:parks textbook,22nd ed,pg no608