Vitamin A prophylaxis to a child is
Ans. is 'b' i.e. Specific protection Vitamin A prophylaxis is a form of specific protection against vitamin A deficiency resulting in xerophthalmiaSpecific protection is an interventional strategy for primary prevention in a disease process.Disease process, prevention & interventions can be summarised as below:* Health education is a part of health promotion Levels of preventionPrimordial prevention - Prevention of the development or emergence of Risk Factors in population groups in which they have not yet appeared Primary prevention - Action taken prior to the onset of disease which removes the possibility that the disease will ever occur. It signifies intervention in the pathogenesis phase of the disease.Secondary prevention - Action which halts the progress of disease at its incipient stage and prevents complications i.e. early diagnosis & treatment.Tertiary treatment - Intervention in the late pathogenic phase all measures to reduce or limit impairments, Disabilities and handicap Specific protection:Specific protection is possible in a limited number of cases.The interventions available areImmunizationUse of specific nutrients (For e.g. Vit. A, Iron & FA)ChemoprophylaxisProtection against occupational hazardsProtection against accidentsProtection from carcinogensAvoidance of allergensControl of environmental hazards e.g. air pollution, noise control etc.
Health promotion
Specific protection
Primordial prevention
Secondary prevention
Concept of Health and Disease