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: Dental
In UNICEF’s GOBI campaign, O stands for: 
Select and explain. 
A. Oral Contraceptives, B. Oral Rehydration Therapy, C. Obesity, D. Occupational hazards
B: Oral Rehydration Therapy
Answer: B: Oral Rehydration Therapy 
Explanation: GOBI FFF for child health revolution:
• Growth Monitoring. 
• Oral rehydration. 
• Breast Feeding. 
• Immunization. 
• Food supplements. 
• Female education. 
• Family spacing.