Test Bank For Karch's Focus on Nursing Pharmacology 9th Edition by Rebecca Tucker Chapter 1-56 | Complete Guide

Bioavailability is the portion of a dose of a drug that reaches the systemic circulation and is available to act on body

cells. Binders used in a generic drug may not be the same as those used in the brand name drug. Therefore, the way the

body breaks down and uses the drug may differ, which may eliminate a generic drug substitution. Critical concentration is

the amount of a drug that is needed to cause a therapeutic effect and should not differ between generic and brand name

medications. Distribution is the phase of pharmacokinetics, which involves the movement of a drug to the body’s

tissues and is the

same in generic and brand name drugs. A drug’s half-life is the time it takes for the amount of drug to decrease to half

the peak level, which should not change when substituting a generic medication.

A nurse is assessing the patient’s home medication use. After listening to the patient list current medications, the

nurse asks what priority question?

Do you take any generic medications?

Are any of these medications orphan drugs?

Are these medications safe to take during pregnancy?Do you

take any over-the-counter medications?

Ans: D