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1315 Unknown
1317 Unknown

True regarding mortality rate:

ALittle important information about changing pattern of disease (Correct Answer)
BUsually standardization for age and sex
CCrude death rate includes only deaths from death certificate data
DStandardization mortality ratio is the unexpected number of death divided by observed number of deaths in a specific group
1318 Unknown

True about keloid:

AWide local excision is treatment of choice
BIt will have more collagen and vascularity (Correct Answer)
CWill not spread beyond wound site
DElevated levels of growth factor is not seen
1322 Unknown