Intro to Pharm Flashcards
pharmacology
the science of how drugs act on biological systems and how the system responds to the drug.
drugs
small molecules/chemicals that affect living processes
clinical pharmacology
applies the basic science/principles of pharmacology to the practice of medicine. This knowledge is used to achieve optimal therapeutic outcomes through the appropriate preparation and dispensing of drugs.
Properties of an ideal drug-efficacy
the ability to produce a desired or intended result.
the drug can do what it needs to do for a wide population of people
properties of an ideal drug-safety
can the drug’s toxicities be managed and acceptable for a risk/benefit analysis, or is the drug unsafe?
properties of an ideal drug-selectivity
-does the drug elicit the response for which it is given
further properties of an ideal drug
reversible action, predictability, low cost, ease of admin, freedom from drug interactions, chemical stability, simple generic name
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What is the objective of drug therapy?
to optimize efficacy and minimize toxicity, also known as maximum benefit with minimum harm
remember this is pt. centered
Factors that determine the intensity of drug responses
administration, pharmacokinetics, pharmacodynamics, sources of individual variation
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PRN medication order
from the latin, pro re nada, meaning as needed. For these medications, it is up to the nurse to give them upon their discretion
contraindication
the drug should ABSOLUTELY NOT be used in the patient
precaution
you can give the drug but it the response to it should be monitored.
what are the three types of drug names?
chemical name, brand name, generic name
list the traditional 5 rights but describe the limitations of this
right client right drug right dose right time right route
the limitation is….
describe the differences of over the counter and prescription drugs
OTC meds are considered safe for everyone, and do not need a doctor’s order to be obtained. Prescription drugs do need a doctor’s order to be obtained.
Harris-Kefauver amendments
what are they and what do they do?
Drugs must be proved effective before marketing
Drugs have to offer some benefit
Any drug created since 1932 must be evaluated for effectiveness or be withdrawn
2007 FDA Amendments Act
Rigorous oversight of drug safety after a drug is approved
2009 Family Smoking Prevention and Tobacco Control Act
Allows FDA to regulate cigarettes by restricting advertising and prohibit advertising to youth, more prominent warning labels, restrict harmful additives and monitor nicotine levels
Comprehensive Addiction recovery act of 2016
Combat nationwide opioid epidemic
Prevention, treatment, rehabilitation/recovery
First responder opioid reversal
describe the method that the FDA uses to approve drugs in clinical trials
Subjects given new drug and some given placebo or standard treatment
Controls and experimental group should be similar
Randomized to experimental or control
Study blinding: researcher does not know who gets which treatment
limitations of clinical trials for drugs
women and children underrepresented, failure to identify all adverse effects.