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60 Cards in this Set

  • Front
  • Back

The study of biological effects of chemicals

Pharmacology

A committee established to review and approve research involving human subjects

institutional Review Board (IRB)

Phase of clinical trials that involve healthy volunteers that do not have the medical condition

Stage 1

What legal regulatory body identifies the standards for drugs related to safety, purity, packaging

United States Pharmacopeia

What legal regulatory body regulates the development and sale of drugs

Food and Drug Administration (FDA)

What legal regulatory body defines the nurse scope of practice, and is specific to each state

Nurse Practice Act

A medication is shown to have no effects on animals and has not been tested on humans

Pregnancy Category B

A substance that has high potential for abuse, the risk for severe dependence, and accepted medical use

Schedule II

The ability of a drug to only attack those systems in foreign cells

Selective toxicity


Good- antibiotics


Poor-chemo

This estimates the margin of safety of a medication

Therapeutic index-


Wide- safer- wider range of it being therapeutic


Narrow- schedule, monitor with lab values to make sure they don't enter toxicity mode

A high dose of a drug given rapidly to achieve effective connection is

Loading dose- large dose given to jumpstart to get you therapeutic


Maintenance dose- given regularly to continue therapeutic state

What is the study of the absorption, distribution, metabolism, and excretion of a drug

Pharmacokinetics


Absorption-distribution-metabolism (liver)- excretion (kidneys)

Routes of administration such as: intravenous, intramuscular, subcutaneous, Sublingual, rectal, topical, inhalation

Parenteral (outside of GI tract)- altered by blood flow to the area, tissue type


Enteral meds (through GI tract)- thru mouth or any GI tube


Altered by GI motility, food in stomach, pH of stomach, amount of bowel surface area

Occurs when the body forms antibodies to a particular drug causing an immune response when the person is re-exposed to the drug

Drug Allergy


Four main classifications


1) anaphylactic- airway- administer epinephrine


2) cytotoxic


3) serum sickness


4) delayed

What is a decision making, problem solving process to provide efficient and effective care

Nursing Process


Five steps: assessment, nursing diagnosis, planning, implementation, evaluation

What is the rest and digest piece of the ANS

Parasympathetic nervous system/ Cholinergic

What are the three neurotransmitters in the sympathetic system

Dopamine, epinephrine, norepinephrine


Epinephrine= cardiac dysrhythmia

What is the main neurotransmitter of the parasympathetic nervous system

Acetylcholine

The parasympathetic nervous system has what effect on the bladder

Bladder emptying

Beta 2 medications are going to have an effect primarily on the

Lungs

Dopamine is used for more than one condition. How will you know what you are giving it for

It is dose dependent


Low dose- increase renal blood flow; protect the kidneys


High dose- to control BP, works like epinephrine

What medication can be used as a pre-op medication, an antispasmodic, and for bradycardia

Atropine

Epinephrine can be very potent. What are two side effects you can assess for

Cardiac dysrhythmias and decreased urine output


Alpha 1-blood vessels- increase blood pressure


Beta 1-heart-increase heart rate


Beta 2-bronchus- relax bronchioles

What medication is available OTC that is similar to ephedrine

Pseudoephedrine/ Sudafed

What can you teach your patient to so about some of the unpleasant side effects from anticholinergic agents

Dry mouth- hard candy, artificial saliva


Constipation- fluid, fiber, stool softener

When administering a beta blocker, prior to administration of this medication, what VS should you monitor

HR and BP

Nonselective adrenergic blocking agents, such as carvedilol (coreg), will have an effect on both

Beta 1 and Beta 2

Clonidine, an alpha specific adrenergic agonist, can be used for the treatment of

HTN, chronic pain, opiate withdrawal

Sympathetic nervous system ___ heart rate

Increases


Parasympathetic nervous system decreases heart rate

Chemicals that may have therapeutic value are tested on laboratory animals

Preclinical Trials


Purpose:


To determine whether they have the effect on living tissue


To evaluate adverse effects


Chemicals discarded:


Chemical does not have therapeutic activity


Chemical is too toxic


Chemical is highly teratogenic


Safety margins are small

Given to healthy volunteers: healthy young men- used to assess safety of the drug, determine the dose range and study the pharmacokinetics

Phase I


Dropped because:


Not therapeutic in humans


Cause unacceptable adverse effects


Highly teratogenic


Too toxic

Clinical trials performed at various places (hospitals, clinics, doctor offices) on individuals who have the disease

Phase II


Dropped because:


Less effective than anticipated


Too toxic


Produces unacceptable adverse effects


Low benefit to risk ratio


Not more effective than another drug

Trial where drug is used over a large clinical market and monitored closely by prescribers

Phase III


After phase is completed:


Application is submitted to the FDA for approval


Drug is given brand (trade) name

Phase of continual evaluation after a drug is approved and is available to all

Phase IV


FDA continues to monitor and evaluate any unexpected adverse effects

Pregnancy category where no controlled studies have been conducted in humans but animal studies show no risk to the fetus

Category B

Pregnancy category where no controlled studies have been conducted in humans or animals

Category C

Pregnancy category where controlled studies in humans show no risk to the fetus

Category A

Pregnancy category where controlled studies in both animals and humans demonstrate fetal abnormalities and the risk in pregnant women outweighs any possible benefit

Category X

Pregnancy category where evidence of human risk to the fetus exists, however benefits may outweigh risks in certain situations

Category D

Controlled substance that has a low potential for abuse relative to substances in C-III

C-IV

Controlled substance in which substances have a high potential for abuse, which may lead to severe psychological or physical dependence, and have a currently accepted medical use (with severe restrictions)

C-II

Controlled substance that have a low potential for abuse relative to substances listed in C-IV and consist primarily of preparations containing limited quantities of certain narcotics

C-V

Controlled substances that have a high potential for abuse, have no currently accepted medical use in treatment in the US and have a lack of accepted safety for use under medical supervision

C-I

Controlled substance that have less potential for abuse than substances in C-I or C-II and abuse may lead to moderate or low physical dependence or high psychological dependence

C-III

Treatment of heart failure

Dobutamine (sympathomimetic)

Treatment of shock

Dopamine (sympathomimetic)


Given in emergent situations when perfusion is decreased


Dose dependent: low=increase renal blood flow (kidneys)


High=control blood pressure (acts like epinephrine)


Treatment of hypotension

Ephedrine (sympathomimetic)


Used in hypotension and mild forms of asthma


Constricts blood vessels and is also used as cold/allergy meds

Treatment of shock, bronchospasms, to prolong effects of local anaesthetics

Epinephrine


Anaphylaxis, cardiac arrest, bronchospasms, shock


High doses can lead to cardiac dysrhythmia


Expected side effect: pallor (all blood shunted to vital organs)

Treatment of shock, used during cardiac arrest

Norepinephrine

Treatment of HTN, chronic pain, ease opiate withdrawal

Clonidine


Stimulates Alpha 2 to vasodilate


Alpha specific adrenergic agonist

Treatment of orthostatic hypotension

Midodrine


Stimulates Alpha 1


Alpha specific adrenergic agonist

Treatment of shock like states, tachycardia, glaucoma, cold and allergies, rhinitis, otitis media

Phenylephrine


Stimulates Alpha 1 to vasoconstrict


Alpha specific adrenergic agonist

Treatment and prevention of bronchospasm (PO or inhalation)

Albuterol (Proventil)


Beta specific adrenergic agonist


Selective for beta 2 receptors

Treatment and prevention of bronchial asthma and reversible bronchospasms (nebulizer)

Levalbuterol (Xoponex)


Beta specific adrenergic agonist


Specific for beta 2 receptors

Treatment of life threatening ventricular arrhythmias

Amiodarone


Nonselective adrenergic blocking agent

Treatment of HTN and HF

Carvedilol (Coreg)


Nonselective adrenergic blocking agent

Treatment of HTN, clonidine withdrawl

Labetalol


Nonselective adrenergic blocking agent

Alpha 1 selective adrenergic blocking agents

Doxazoain (Cardura) and Tamsulosin (Flomax)


Stimulates vasodilation to decrease BP, decrease prostate and bladder contractions


Used to treat HTN and BPH


Side effects: cardiac dysrhythmia, flushing, hypotension, reflex tachycardia

Nonselective beta adrenergic blocking agent

Propranolol (Inderal)


Used to treat HTN, heart rhythm, and stage fright

Beta 1 selective adrenergic blocking agent

Atenolol (Tenormin) and Metoprolol (Lopressor)


Used to treat HTN, heart rhythm, heart rate, and chronic angina


Also good to use with patients who have a history of an airway diagnosis- they do not block the beta 2 receptor site therefore they do not block the sympathetic bronchodilation