This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Levels of Prevention of Disease, Subject name: Social & Preventive Medicine
The installation and usage of sanitary latrines by general public constitutes which level of prevention? 
Select and explain. 
A. Health promotion, B. Specific protection, C. Early diagnosis and treatment, D. Disability limitation and rehabilitation
A: Health promotion
Answer: A: Health promotion 
Explanation: - Use of Sanitary latrines will result in general improvement of hygiene & prevention of multiple diseases. - Hence, it constitutes Health promotion which is primary level of prevention.