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A patient with a recent diagnosis of acute renal failure has a long-standing
seizure disorder which has been successfully controlled for several years
with antiseizure medications. The nurse should recognize that the
patient's compromised renal function will likely
Response
Feedback:
Impaired renal function will increase the half-life of drugs that
are metabolized by the kidneys. This does not necessarily
render such medications ineffective and it does not decrease
the first-pass effect. IV administration will not compensate for
the patient's impaired renal function.
• Question 2
A patient is treated with an antibiotic for an infection in his leg. After 2
1 out of 1 points
days of taking the antibiotic, the patient calls the clinic and reports that he
has a rash all over his body. The nurse is aware that a rash can be an
adverse effect of an antibiotic and can be either a biologic, chemical, or
physiologic action of the drug, which is an example of
Response
Feedback
:
Pharmacodynamics is the biologic, chemical, and physiologic
actions of a particular drug within the body and the study of
how those actions occur, including adverse effects. It is how the
drug affects the body. The pharmacodynamics of a drug is
responsible for its therapeutic effects and sometimes its
adverse effects. Pharmacotherapeutics refers to the desired,
therapeutic effect of the drug. Pharmacokinetics is the changes
that occur to the drug while it is inside the body.
Pharmacogenetics is the study of how genetic variables affect
the pharmacodynamics of a drug in a specific patient.
• Question 3
A home health nurse notes that there have been changes to a patient's
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