This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hospital waste and disaster management, Occupational health, Subject name: Social & Preventive Medicine
Which of the following diseases needs not to be screened for, in workers to be employed in a dye industry in gujarat? 
Select and explain. 
A. Anemia, B. Bronchial asthma, C. Bladder cancer, D. Precancerous lesion
A: Anemia
Answer: A: Anemia 
Explanation: Prepalcement examination in dye industries include asthma,skin and bladder,kidney diseases,precancerous lesion.Anemia comes under lead.(Ref.PARK'S textbook of preventive and social medicine 21st edition page no.753)