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: Social & Preventive Medicine
All of the following are true for a screeing test except- 
Select and explain. 
A. Less accurate, B. Forms the basis for treatment, C. Test results are arbitrary, D. Less expensive
B: Forms the basis for treatment
Answer: B: Forms the basis for treatment 
Explanation: Screening tests do not form the basis for treatment as a specific diagnostic test will need to be performed to confirm the diagnosis suggested by a screening test in order to start a specific treatment.
For example, in HIV infection screening is done by ELISA. If the ELISA comes to be positive, western blot is done to confirm the diagnosis before starting treatment.