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8470 Social & Preventive Medicine

In Target 10 of Goal 7 of Millennium Development Goal, “access” to an improved water source mean?

AAvailability of at least 20L water / person/ day from a source within 1 km of dwelling
BAvailability of at least 20L water / person/ day from a source within 1.5 km of dwelling
CAvailability of at least 15L water / person/ day from a source within 1 km of dwelling
DAvailability of at least 15L water / person/ day from a source within 1.5 km of dwelling
Social & Preventive Medicine
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8477 Dental

Which of the following depicts the usual order of extraction of teeth if serial extraction is chosen as the treatment to alleviate severe crowding?

APrimary second molars, primary first molars, permanent first premolars, primary canines
BPrimary canines, primary first molars, permanent first premolars
CPrimary first molars, primary second molars, primary canines
DPrimary canines, permanent canines, primary first molars, permanent first premolars
Dental
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