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91 Cards in this Set
- Front
- Back
Disintegration
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Breakdown of drug into smaller particles (Pharmaceutic Phase)
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Dissolution
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Dissolving of smaller particles into the GI Tract before absorption (Pharmaceutic Phase)
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Pharmaceutic Phase
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First phase of Pharmaceutic, Pharmacokinetics, and Pharmacodynamics. Disintergration and Dissolution of Oral Meds occurs during this phase.
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Pharmacokinetic Phase
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Defn: The study of how the Body effects a drug
4 Phases: Absorption, Distribution, Metabolism, and Elimination |
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Absorption Phase
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Movement of drug particles from the GI Tract to body fluids by Passive Abs, Active Abs, or Pinocytosis
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First Pass Effect (Hepatic First Pass)
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Process which the drug passes through the Liver
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Bioavailability
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Percentage of administered drug dose that reaches systemic circulation
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Distribution Phase
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Drug becomes available to body fluids and tissues
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Influences of Distribution Phase
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Blood Flow, Tissue Affinity, Protein Binding Affect
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Metabolism Phase
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Occurs primarily in Liver; can occur in GI tract
Most oral drugs are inactivated by the liver and excreted |
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Half Life (t1/2)
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Time it takes one-half of drug concentration to be eliminated
90% of drug must be eliminated to be considered gone from body |
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Elimination/Excretion Phase
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Occurs in the Kidneys be way of the bladder
Protein Bound drugs cannot be filtered |
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Creatine Clearance (CLcr)
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Most accurated test used to determine Kidney function
Normal: 85-135mL/min Note: Lower values found in the Elderly & Females |
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Pharmacodynamics
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Study of a Drug's effect upon the body.
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Prime Drug Effect
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Desired
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Disintegration
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Breakdown of drug into smaller particles (Pharmaceutic Phase)
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Dissolution
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Dissolving of smaller particles into the GI Tract before absorption (Pharmaceutic Phase)
|
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Pharmaceutic Phase
|
First phase of Pharmaceutic, Pharmacokinetics, and Pharmacodynamics. Disintergration and Dissolution of Oral Meds occurs during this phase.
|
|
Pharmacokinetic Phase
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Defn: The study of how the Body effects a drug
4 Phases: Absorption, Distribution, Metabolism, and Elimination |
|
Absorption Phase
|
Movement of drug particles from the GI Tract to body fluids by Passive Abs, Active Abs, or Pinocytosis
|
|
First Pass Effect (Hepatic First Pass)
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Process which the drug passes through the Liver
|
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Bioavailability
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Percentage of administered drug dose that reaches systemic circulation
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Distribution Phase
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Drug becomes available to body fluids and tissues
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Influences of Distribution Phase
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Blood Flow, Tissue Affinity, Protein Binding Affect
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Metabolism Phase
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Occurs primarily in Liver; can occur in GI tract
Most oral drugs are inactivated by the liver and excreted |
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Half Life (t1/2)
|
Time it takes one-half of drug concentration to be eliminated
90% of drug must be eliminated to be considered gone from body |
|
Elimination/Excretion Phase
|
Occurs in the Kidneys be way of the bladder
Protein Bound drugs cannot be filtered |
|
Creatine Clearance (CLcr)
|
Most accurated test used to determine Kidney function
Normal: 85-135mL/min Note: Lower values found in the Elderly & Females |
|
Pharmacodynamics
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Study of a Drug's effect upon the body.
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|
Prime Drug Effect
|
Desired
|
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Disintegration
|
Breakdown of drug into smaller particles (Pharmaceutic Phase)
|
|
Dissolution
|
Dissolving of smaller particles into the GI Tract before absorption (Pharmaceutic Phase)
|
|
Pharmaceutic Phase
|
First phase of Pharmaceutic, Pharmacokinetics, and Pharmacodynamics. Disintergration and Dissolution of Oral Meds occurs during this phase.
|
|
Pharmacokinetic Phase
|
Defn: The study of how the Body effects a drug
4 Phases: Absorption, Distribution, Metabolism, and Elimination |
|
Absorption Phase
|
Movement of drug particles from the GI Tract to body fluids by Passive Abs, Active Abs, or Pinocytosis
|
|
First Pass Effect (Hepatic First Pass)
|
Process which the drug passes through the Liver
|
|
Bioavailability
|
Percentage of administered drug dose that reaches systemic circulation
|
|
Distribution Phase
|
Drug becomes available to body fluids and tissues
|
|
Influences of Distribution Phase
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Blood Flow, Tissue Affinity, Protein Binding Affect
|
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Metabolism Phase
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Occurs primarily in Liver; can occur in GI tract
Most oral drugs are inactivated by the liver and excreted |
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Half Life (t1/2)
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Time it takes one-half of drug concentration to be eliminated
90% of drug must be eliminated to be considered gone from body |
|
Elimination/Excretion Phase
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Occurs in the Kidneys be way of the bladder
Protein Bound drugs cannot be filtered |
|
Creatine Clearance (CLcr)
|
Most accurated test used to determine Kidney function
Normal: 85-135mL/min Note: Lower values found in the Elderly & Females |
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Pharmacodynamics
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Study of a Drug's effect upon the body.
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Prime Drug Effect
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Desired
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Secondary Drug Effect
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Can be Desired or Not Desired
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Dose Response Effect
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Minimal vs Maximal drug dose amount needed to produce a desired dose effect
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Onset of Action
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Time it takes to reach minimum effective concentration after the drug is administered
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Peak Action
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Drug reaches highest concentration in blood or plasma
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Duration of Action
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Length of time a drug has a pharmacological effect
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Agonist
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Drugs considered response producing
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Agtagonist
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Drugs considered response blocking
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NonSpecific Drug Effects
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Affects various sites of the body; Cholinergic Receptor Sites
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NonSelective Drug Effects
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Affect various receptors; Norepinephrine, Dopamine, Acetylcholine, and Histamine Receptors
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Low Therapeutic Index
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Narrow margin of safety
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High Therapeutic Index
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Wide margin of safety; less danger of toxic affects
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Therapeutic Window
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Drug concentration should fall between minimum effect concentration and minimum toxic concentration
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Peak Levels
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Highest concentration of a drug at a specific time (rate of absorption)
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Trough Level
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Lowest plasma concentration of a drug
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Loading Dose
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Large initial dose when immediate drug response is desired; achieves rapid minimum effective concentration in the plasma
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Oral/Enteral Medications
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Slow acting, must pass through the GI Tract and the Liver; subject to First-Pass Affect
Includes: Suspensions, Tinctures, Elixirs, Extracts |
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Suspensions
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Solid form which must be shook-up before being administered (ie Mylanta)
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Tinctures
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Drugs that are Alcohol Based
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Elixirs
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Drugs that are Sweet Smelling and Aromatic
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Extracts
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Drugs that are Mixed w/ H2O or Alcohol
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PO
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By Mouth
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PEG
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Feeding Tube
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NGT
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Nasogastric Tube
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Parental Medications
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Fast-Acting Medications; Avoid First-Pass Affect & GI Tract
Types: Intradermal, Subcutaneous, Intra Muscular, Intravenous |
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Intradermal Injections (ID)
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Dermal Tissue (<0.5mL); Allergy, Diagnostic Testing(ie TB testing)
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Subcutaneous Injections (SQ/SC)
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Adipose Tissue (<1mL); Insulin, Heparin; Outer arms, abdomen, inner-thigh, upper-back
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IntraMuscular Injections (IM)
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Muscle Sites; Antibiotics, Hormones, Vaccines
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IntraVenous Injection (IV)
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Bloodstream; Emergency & NonEmergency Related; IV Push, IVPB
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Transcutaneous Medications
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Topical, Transdermal Patches, Instillations, Inhalers, Vaginal Applications
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Med Orders Required Info
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Pts Name, Date & Time, Drug Name, Dosage, Route, Frequency of Dosage, Physician's Sig
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Secondary Drug Effect
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Can be Desired or Not Desired
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Dose Response Effect
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Minimal vs Maximal drug dose amount needed to produce a desired dose effect
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Onset of Action
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Time it takes to reach minimum effective concentration after the drug is administered
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Peak Action
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Drug reaches highest concentration in blood or plasma
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Duration of Action
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Length of time a drug has a pharmacological effect
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Agonist
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Drugs considered response producing
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Agtagonist
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Drugs considered response blocking
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NonSpecific Drug Effects
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Affects various sites of the body; Cholinergic Receptor Sites
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NonSelective Drug Effects
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Affect various receptors; Norepinephrine, Dopamine, Acetylcholine, and Histamine Receptors
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Low Therapeutic Index
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Narrow margin of safety
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High Therapeutic Index
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Wide margin of safety; less danger of toxic affects
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Therapeutic Window
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Drug concentration should fall between minimum effect concentration and minimum toxic concentration
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Peak Levels
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Highest concentration of a drug at a specific time (rate of absorption)
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Trough Level
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Lowest plasma concentration of a drug
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Loading Dose
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Large initial dose when immediate drug response is desired; achieves rapid minimum effective concentration in the plasma
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Six Rights
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R. Route, R. Drug, R. Dosage, R. Pts, R. Time, R. Reason, R. Documentation
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