Bioavailability Can Be Different Between the Generic and Trade Versions

Bioavailability can be different between the generic and trade versions of a drug.Usually a generic drug can be substituted for a trade version, except when:

A) The drug is a critical care drug, or one with a narrow safety margin.
B) The trade version costs the same as the generic.
C) The time for onset of action is different between the generic and trade versions.
D) The inert ingredients are different between the generic and trade versions.