Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
120 Cards in this Set
- Front
- Back
Definition of Pharmacology
|
The study of drugs and their interactions with living systems
|
|
The 5 Rights of Drug Administration
|
*Right route
*Right dose *Right patient *Right time *Right drug |
|
6 things on the Medication Order
|
*Patient's name
*Date order was written *Name of medication *Dosage (including size, frequency, and # of doses) *Route of delivery *Signature of prescriber |
|
How long does Dr have to sign medication order?
|
24 hours
|
|
Nursing diagnosis is...
|
the conclusion about patient's problems
|
|
Planning..
|
Sets out specific interventions directed at solving or preventing the problem(s) identified in the analysis
|
|
Implementation...
|
Consists of the initiation and completion of specific actions by the nurse. It is completed by observing and recording the outcomes of treatment.
|
|
The 3 times a medication label should be read...
|
*When the med is taken from the storage area.
*Just before removing it from the container. *Upon returning the medication container to storage or prior to discarding the empty container. |
|
Amount of time allowed to give medication...
|
1/2 hour before or after scheduled time.
|
|
Routes available...
|
*Oral
*Rectal *Vaginal *Parenteral (intradermal, sub q, intramuscular, intravenous) *Enteral - absorbed through stomach or small intestine *Topical |
|
Angle degree for intradermal injection...
|
10-15
|
|
Angle degree for subcutaneous injection...
|
45
|
|
Angle degree for intramuscular injection...
|
90
|
|
Routes available for medication administration...
|
*Inhalation
*Transdermal (patch) *Otic - ear *Intrathecal - injection into subarachnoid space *Epidural - injection into the epidural space *Intraarticular - injection into the joint |
|
Sublingual is...
|
under the tongue
|
|
Buccal is...
|
in the cheek
|
|
Insulin absorbs fastest in the ____, then the _____, then the _____.
|
abdomen, arm, leg
|
|
When documenting medication in a patient's chart, make sure to include..
|
*Patient's name
*Date and time of administration *Name of the med, amount, and route *Any adverse reactions experienced by the patient *Any complications in administering the drug *If the medication was not given, state why, and dispose of the drug *Patient data such as VS *Your name and title |
|
Evaluation is....
|
performed to determine if the nursing interventions worked.
|
|
Drug
|
any chemical that affects the physiological processes of a living organism
|
|
Medication
|
any natural or synthetic substance intended to prevent, diagnose, treat, or cure a disease or other medical condition.
|
|
All medications are drugs,
|
but not all drugs are medications.
|
|
Therapeutic use...
|
to relieve symptoms
|
|
Diagnostic use...
|
to diagnose
|
|
Curative use....
|
kill or remove the causative agent of a disease. (Antibiotics)
|
|
Replacement use...
(Supplemental) |
replace substances normally found in the body. (Synthroid)
|
|
Preventive or prophylactic use...
|
to ward off or lessen the severity of the disease. (HIV prophylactic)
|
|
Palliative therapy
|
make the patient as comfortable as possible.
|
|
Supportive therapy
|
maintains the integrity of body functions while the patient is recovering from illness or trauma.
|
|
Chemical name
|
describes the drug's chemical composition and molecular structure
|
|
Generic name
|
is the official name given a drug.
(nonproprietary name) |
|
Trade name
|
brand name under which a company manufactures a generic drug.
(Proprietary name) |
|
The patent life of a drug is usually ____ years long.
|
17
|
|
Plant sources:
|
Opium poppy plant
Ex. Morphine and Codeine |
|
Animals:
|
Beef and Pork Pancreas:
Insulin Urine of Pregnant Mares: Premarin Cow and Pigs: Bovine or Porcine Heparin |
|
Pharmacognosy
|
The study of the natural drug sources (animals and plants)
|
|
Physician's Desk Reference (PDR)
|
Reference book published by the pharmaceutical industry. Has a pictorial section for product identification. The PDR is updated annually.
|
|
1906 Pure Food and Drug Act
|
Established official standards and requirements for accurate labeling of drug products. First American law to regulate drugs.
|
|
1912 Sherley Amendment
|
Prohibited fraudulent claims of drug effectiveness.
|
|
1914 Harrison Narcotic Act
|
Established the legal term narcotic and regulated the manufacture and sale of habit-forming drugs.
|
|
1938 Federal Food, Drug, and Cosmetic Act
|
Regulates the manufacture, distribution, advertising, and labeling of drugs in an attempt to ensure safety and effectiveness.
*The first legislation to regulate drug safety.* |
|
1962 Harris-Kefauver Amendments
|
Created in response to the thalidomide tragedy that occurred in Europe in the early 1960s.
Amendments to the Food, Drug, and Cosmetic Act |
|
197 Comprehensive Drug Abuse Prevention and Control Act; Title II, Controlled Substance Act
|
Controls the manufacture, importation, compounding, selling, dealing in, and giving away drugs that have the potential for addiction and abuse.
|
|
Schedule I Drugs
|
Drugs that are NOT APPROVED for medical use and have high abuse potentials.
Can only be disspensed with approved protocol (research only). |
|
Examples of Schedule I drugs
|
Heroin, LSD, Peyote, Marijuana
|
|
Schedule II Drugs
|
Drugs that are used medically and have high abuse potentials.
Must have written prescription only. No telephone orders. No refills and container must have warning label. |
|
Examples of Schedule II Drugs
|
Codeine, cocaine, Meperidine, Morphine, Amphetamine, Oxycodone
|
|
Schedule III Drugs
|
Drugs that have a lower potential for abuse than schedule I and Schedule II drugs.
Prescriptions may be refilled up to 5 times. Refills must be made within 6 months of the original order. |
|
Examples of Schedule III Drugs
|
Codeine with selected other meds (acetaminophen), Hydrocodone, anabolic steroids
|
|
Schedule IV Drugs
|
Drugs with some potential for abuse.
Prescriptions may be refilled up to 5 times. Refills must be made within 6 months of original order. |
|
Examples of Schedule IV Drugs
|
Benzodiazepines, phenobarbital, propoxyphene
|
|
Schedule V Drugs
|
These products contain moderate amounts of controlled substances.
May be dispensed without a prescription provided certain conditions are met. |
|
Examples of Schedule V Drugs
|
Lomotil, Cough syrup with codeine
|
|
Conditions that must be met for dispensing of Schedule V Drugs
|
*The drug is dispensed by pharmacist.
*The amount dispensed is very limited (Not to exceed 200 ml). *The recipient is at least 18 yoa and can prove it. |
|
Dependent intervention
|
Doctor ordered
|
|
Interdependent intervention
|
collaborative between different medical teams
|
|
Independent intervention
|
no doctor order needed
|
|
What type of insulin is only one molecule away from being identical to human insulin?
|
Porcine
|
|
Clinical Testing Phase I
|
Subjects: Normal volunteers
Tests: Metabolism and biological effects |
|
Clinical Testing Phase II
|
Subjects: Patients w/problem
Tests: Therapeutic utility and dosage range |
|
Clinical Testing Phase III
|
Subjects: Large number of patients
Tests: Safety and effectiveness |
|
Blinded Investigational Drug Study
|
study subject does not know if drug or placebo give but researcher does.
|
|
Double-Blind Investigational Drug Study
|
Both researcher and study subject are "blinded" to actual identity of substance administered.
|
|
Clinical Testing Phase IV
|
Postmarketing Studies
Conducted by pharmaceutical companies to obtain further proof of the therapeutic effects of the new drug. |
|
Drug companies gather information on a new drug for ___ years after it is realeased to consumers.
|
2
|
|
Pharmacokinetics
|
A particular drug's onset of action, peak effect, and duration of action are all characteristics defined by pharmacokinetics.
Also, the study of drug movement throughout the body. Includes the drug metabolism and drug excretion. |
|
Absorption
|
the movement of a drug from its site of administration into the bloodstream for distribution to the tissues.
|
|
Onset of action
|
time required for the drug to elicit a therapeutic response.
|
|
Duration of action
|
length of time that drug concentration is sufficient to elicit a therapeutic response
|
|
Peak effect
|
time required for a drug to reach it's maximum therapeutic response
|
|
Bioavailability
|
a measure of the extent of drug absorption for given drug and route. (From o% - 100%)
|
|
First pass effect
|
the initial metabolism in the liver of a drug absorbed from the GI tract before the drug reaches system circulation through the blood stream
|
|
Distribution
|
refers to the transport of drug molecules within the body.
Depends on availability of blood supply, 1st to heart, liver, kidney, brain Last to skin, muscle, fat |
|
If less protein in vascular system
|
lower dose of drug given
|
|
P-450 Enzymes
|
in liver to help metabolize meds
|
|
Metabolism (Biotransformation)
|
the process by which the body inactivates drugs
The enzyme systems of the LIVER are the primary site for metabolism of drugs. |
|
Excretion
|
the removal of drugs from the body.
The most important organ for drug excretion is the KIDNEY. |
|
Most drugs are lipid soluble:
|
they can go across the cell membrane but are harder to excrete
|
|
Serum half-life
|
the amount of time required for 50% of the drug to be eliminated from the body
Takes 5 half-lifes to be efficiently removed from the body. Determines rate of absorption, distribution, matabolism, and excretion. |
|
Blood-Brain barrier
|
specialized cells in the brain capillaries allow only certain substances from the blood to enter the brain.
Drugs need to be lipid-soluble to get across or a transport system. |
|
Dosage
|
the amount of drug that is to be given at one time
|
|
Initial Dose
|
the first dose
|
|
Average dose
|
the amount of drug proven most effective with minimum toxic effects
|
|
Factors for dosage
|
age, weight, disease processes, another disease, infection, past history, allergies, safest route to administer, least amount that can be given
|
|
Maintenance dose
|
the amount that will keep concentrations of the drug at a certain level in the patient's bloodstream
|
|
Maximum dose
|
the largest amount of medication that can be given safely to a patient
|
|
therapeutic dose
|
the amount needed to produce the desired effect
|
|
Unit dose
|
a premeasured amount of the medication, individually packaged on a per dose basis.
|
|
Lethal dose
|
amount of medication that could kill a patient
|
|
Drug-Drug Interactions
Additive Effects |
occur when two drugs with similar pharmacological actions are taken.
Ex. aspirin + Oxycodone=increased analgesia |
|
Drug-Drug Interactions
Synergistic Effects |
occur when two drugs administered together interact in such a way that their combined effects are greater than the sum of the effects for each drug alone.
|
|
Drug-Drug Interactions
Interference |
by one drug with metabolism or elimination of a second drug may result in intensified effects of the second drug.
|
|
Drug-Drug Interactions
Displacement |
of one drug from plasma protein-binding sites by a second drug increases the effects of the displaced drug.
Ex. Aspirin + Warfarin=increased anticoagulant effect |
|
Drug-Drug Interactions
Antagonistic effects |
is a drug blocker. it is an interaction between drugs in which their effects are decreased
|
|
Polypharmacy
|
people who take multiple drugs a day
|
|
Pregnancy Safety Categories
Category A *A-OK TO USE* |
studies indicate no risk to human fetus
|
|
Pregnancy Safety Categories
Category B |
studies indicate no risk to animal fetus, info for humans not available.
|
|
Pregnancy Safety Categories
Category C *CAUTION* |
adverse effects reported in animal fetus, info for humans not available.
|
|
Pregnancy Safety Categories
Category D *DANGER* |
possible fetal risks in humans reported; consideration of potential benefit vs. risk may warrant use of drug.
|
|
Pregnancy Safety Categories
Category X *CROSS OFF - DON'T EVER USE!* |
fetal abnormalities reported an positive evidence of fetal risk in humans.
|
|
Neonatal and Pediatric Considerations
|
Immaturity of organs = absorption: gastric emptying is slowed; intramuscular absorption is affected; distribution:protein binding is decreased.
|
|
Neonatal and Pediatric Considerations
|
Metabolizing enzymes are decreased. Glomerular filtration and tubular secretion are decreased.
|
|
Gastric acidity isn't same as adult's until child is ___ yoa.
|
2
|
|
Kidney function is not the same as an adult's until child is ___ yoa.
|
1
|
|
Adverse effects of drugs
GI Effects |
anorexia, nausea, vomiting, diarrhea, constipation
|
|
Adverse effects of drugs
Hematologic effects |
bleeding disorders, bone marrow depression, anemia
|
|
Adverse effects of drugs
Hepatotoxicity |
hepatitis, hepatic necrosis
|
|
Adverse effects of drugs
Nephrotoxicity |
renal insufficiency or failure
|
|
Adverse effects of drugs
Hypersensitivity or Allergic reaction |
symptoms vary, may occur with any drug, unpredictable and unrelated to dose
|
|
Adverse effects of drugs
Anaphylactic shock |
a life-threatening allergic reaction characterized by respiratory distress and cardiovascular collapse
|
|
Adverse effects of drugs
Idiosyncrasy |
an unexpected reaction to a drug that occurs the first time it is given
|
|
Adverse effects of drugs
Drug dependence |
may occur with any mind-altering drugs (narcotics, sedatives)
|
|
Adverse effects of drugs
Carcinogenicity |
the ability of a substance to cause cancer
|
|
Adverse effects of drugs
Teratogenicity |
the ability of a substance to cause abnormal fetal development when given to pregnant women.
|
|
Sources of Drugs
Plants |
Ex. purple foxglove plant
Trade name: Digitalis Ex. Poppy plant (opium) Trade name: Morphine |
|
Sources of Drugs
Minerals |
Ex. Magnesium
Trade name: Milk of magnesia |
|
Sources of Drugs
Animals |
Ex. Pancreas of cow or hog
Trade name: insulin |
|
Sources of Drugs
Syntehtic |
Ex. Meperidine
Trade name: Demerol |
|
Adverse Effects of Drugs
Tolerance |
decreasing response to meds
|
|
Adverse Effects of Drugs
Cross-tolerance |
phenomenon
Tolerant to one type of drug and being tolerant to another because it's the same class. |