This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: International health agencies, Subject name: Social & Preventive Medicine
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: UNICEF - United Nations International Children Emergency Fund] UNICEF is promoting GOBI campaign to encourage 4 strategies for a child health revolution: G: growth chas (to better monitor child development) O: oral rehydration (to treat mild and moderate dehydration) B: breast feeding I: immunization (against TB, polio, diphtheria, Peussis, tetanus and measles) GOBI campaign is now GOBI-FFF: Family Planning Female education Food supplementation