Pharmacokinetics, Drug Routes, and Safe
Administration Principles- Questions
and Answers
Terms in this set (467)
The process of how the body changes a drug through
What is pharmacokinetics?
metabolism after it enters the body.
Why is pharmacokinetics It determines how drugs are processed, inactivated,
important to drug and eliminated, which affects their intended actions.
therapy?
, The lowest blood drug level
What is the minimum
needed to produce a
effective concentration
measurable intended action.
(MEC)?
What happens if the body The drug level will not be high enough to produce
eliminates a drug faster the intended action.
than it enters?
What can occur if the The drug level could become high enough to cause
body eliminates a drug side effects or adverse effects.
more slowly than it
enters?
What factors can affect Age, size, gender, race/ethnicity, metabolism, genetic
the MEC of a drug in differences, health, and presence of other drugs.
patients?
The point at which drug
elimination is balanced with
What is a steady state in
drug entry, resulting in a
pharmacokinetics?
constant effective drug blood
level.
What are the four stages Absorption, distribution, metabolism, and elimination.
of drug processing in the
body?
The length of time a single dose of a drug is present in
What is the duration of
the blood at or above the level needed to produce an
action of a drug?
effect.
How is drug potency The strength of the intended action produced at a
defined? given drug dose.
What is the relationship Higher potency drugs require lower doses to produce
between drug potency an intended action, while lower potency drugs require
and dosage? higher doses.
The percentage of a drug dose that actually reaches
What is bioavailability?
the bloodstream.
Administration Principles- Questions
and Answers
Terms in this set (467)
The process of how the body changes a drug through
What is pharmacokinetics?
metabolism after it enters the body.
Why is pharmacokinetics It determines how drugs are processed, inactivated,
important to drug and eliminated, which affects their intended actions.
therapy?
, The lowest blood drug level
What is the minimum
needed to produce a
effective concentration
measurable intended action.
(MEC)?
What happens if the body The drug level will not be high enough to produce
eliminates a drug faster the intended action.
than it enters?
What can occur if the The drug level could become high enough to cause
body eliminates a drug side effects or adverse effects.
more slowly than it
enters?
What factors can affect Age, size, gender, race/ethnicity, metabolism, genetic
the MEC of a drug in differences, health, and presence of other drugs.
patients?
The point at which drug
elimination is balanced with
What is a steady state in
drug entry, resulting in a
pharmacokinetics?
constant effective drug blood
level.
What are the four stages Absorption, distribution, metabolism, and elimination.
of drug processing in the
body?
The length of time a single dose of a drug is present in
What is the duration of
the blood at or above the level needed to produce an
action of a drug?
effect.
How is drug potency The strength of the intended action produced at a
defined? given drug dose.
What is the relationship Higher potency drugs require lower doses to produce
between drug potency an intended action, while lower potency drugs require
and dosage? higher doses.
The percentage of a drug dose that actually reaches
What is bioavailability?
the bloodstream.
