Why are high-risk and vulnerable subpopulations identified by public h

Why are high-risk and vulnerable subpopulations identified by public health nurses before deciding on appropriate interventions?

a. It is easiest to make improvements among these groups.
b. Populations are not homogeneous, and resources are limited.
c. Such groups are most vocal about their needs and wants.
d. These groups are often recipients of special funding.

ESSAYBID ANSWER

ANS: B
Populations are not all the same. The needs of subpopulations must be assessed. The high-risk and vulnerable subpopulations must be identified early. Those individuals who do not receive service early become very expensive high-cost users later.