The metric system is based on the decimal system, which is based on units of

The danger of a hernia is ________

A) blood flow is restricted to the portion of the organ protruding B) when an umbilical hernia becomes an inguinal hernia C) when the muscle protrudes through an organ D) internal bleeding

When used with an overall population in Group 1 and a subset of that population in Group 2, the attributable risk formula is referred to as a(n) _______________.

Fill in the blank(s) with the appropriate word(s).