Which of the Following Statements About Bioavailability Is True

Multiple Choice

Which of the following statements about bioavailability is true?

A) Bioavailability issues are especially important for drugs with narrow therapeutic ranges or sustained-release mechanisms.
B) All brands of a drug have the same bioavailability.
C) Drugs that are administered more than once a day have greater bioavailability than drugs given once daily.
D) Combining an active drug with an inert substance does not affect bioavailability.