Term
What are preliminary study tests done on for drug development? |
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Definition
Computer models or simple organisims such as bacteria. |
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Term
# 2 Safety/ effectivness evaluation
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Definition
At what point of drug development are preclinical studies done? |
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Term
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Definition
What are the series of tests for safety and efficancy during drug development done on?
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Term
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Definition
Ability or tendency to produce cancer |
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Term
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Definition
Capacity to cause birth defects. |
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Term
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Definition
This begins in the drug development after the FDA has approved application. This will occur on the target species for safety and efficiency on a particular species. |
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Term
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Definition
During drug development, this determines the dose at which the drug induces tissue or organ damage which can result in permanent injury/death |
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Term
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Definition
Dose of a test drug that causes a defined effect in 50% of the animals that take it. |
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Term
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Definition
Dose of a test drug that kills 50% of the animals that take it. |
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Definition
Dose that provides the desired effects with minimal or no signs of toxicity. |
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Definition
LD-50/ ED-50
"margin of safety" |
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Term
New Animal Drug Application |
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Definition
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Term
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Definition
Third step of drug development: |
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Term
Postmarketing Surveillance stage |
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Definition
Fourth stage of drug development. |
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Term
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Definition
During the fourth stage of drug development where is the drug listed? |
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Term
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Definition
A list of animal drug products published and updated monthly by the drug: |
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Term
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Definition
When a drug is purchased directly from the company that manufactures it. |
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Term
Distributors/ wholesalers |
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Definition
Agencies that purchase the drug from the manufacturer and resell it to veterinarians. |
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Term
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Definition
Selling drugs that are no longer under patent protection |
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Term
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Definition
Ability to produce similair blood levels after administration as the original patented drug. |
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Term
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Definition
Drug concentration in the body that produces the desired affect in the animal with minimnal or no sign of toxicity. |
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Term
1-Route of Administration
2-Drug Dose
3-Dosage Interval |
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Definition
Three major drug factors involved in staying with in a drugs therapeutic range. |
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Term
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Definition
Drugs that are given through the GI tract (orally) PO |
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Term
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Definition
Drugs that are given by a route other than through the GI tract.
Paraentero
"excluding the instestines" |
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Term
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Definition
Supplied in sterile vials. Some in powder form that must be reconstituted. Should be dated and refrigerated if necessary Some vials are single dose and some are ultiple dose. May need to be used in a certain amount of time. Some are light sensitive. |
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Term
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Definition
Route allowing for fastest onset of action. |
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Term
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Definition
A concentrated mass injected all at one time IV to acheive high concentration of drug immediately. |
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Term
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Definition
Diluted drug administered over a 30-60 minute period through an IV catheter. |
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Term
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Definition
Drug added to large volume of fluid administered continuously over a long period of time. |
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Term
Aqueous solution
Aqueous suspension
Oily suspension
Injectable pellets |
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Definition
Different forms of injectables for IM injection. |
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Term
Repository or Depot Preparation |
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Definition
When a drug is placed in a substance that prolongs absorption. |
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Term
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Definition
Given in the connective tissue beneath the dermis. Slowest route of injection. However still faster then oral administration. |
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Term
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Definition
Rapidly absorbed into the bloodstream through diffusion from the alveoli to the capillaries. |
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Term
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Definition
Applied to surface of the skin or mucous membranes.
Must first disolve and then penetrate the skin by diffusion. |
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Term
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Definition
Medication is delivered directly to the GI tract. Does not have to be sterile. Liquid, pill, or capsule. |
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Term
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Definition
The amount of drug given at one time to achieve the desired effect. |
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Term
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Definition
Initial dose given to get the concentration up to therapeutic range. |
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Term
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Definition
Dose given to maintain therapeutic range. |
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Term
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Definition
Total amount of drug given in a 24 hour period. |
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Term
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Definition
The amount of drug per animals body weight. |
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Term
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Definition
Frequency in which the drug is given to maintain therapeutic range. SID, BID, TID, QID, EOD. |
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Term
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Definition
Dosage interval AND dosage together.
ex: 10mg/kg BID |
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Term
Right Drug
Right Dose
Right Time
Right Route/Technique
Right Patient
Right Documentation |
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Definition
The Six R's in drug administration safety. |
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Term
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Definition
How many times should you check a label before administering a drug? |
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Term
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Definition
The movement of drug molecules from an area of high concentration to an area of low concentraion until both sides have the same concentration. Does NOT require energy. Drug used must disolve in the cell membrane for this to occur. |
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Term
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Definition
Can disolve in the phospholipid structure of cell membrane and pass through easier than drugs that are hydrophilic. |
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Term
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Definition
Usually disolve in water and injected IM so that it can diffuse through the fluid to reach the capillaries. |
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Term
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Definition
Have a positive or negative charge. Usually hydrophilic in form. |
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Term
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Definition
Have a neutral charge. Usually lipophilic in form. Can pass through cell membrane easily. |
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Term
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Definition
Passive diffusion that requires a special carrier molecule which helps the drug cross the cell membrane. |
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Term
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Definition
Requires a special carrier molecule AND energy because the drug molecules move against the concentration gradient. |
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Term
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Definition
Engulfing fluids into the cell by surrounding the particles and forming a vesicle. |
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Term
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Definition
Engulfing solids into the cell by surrounding the particle and forming a vesicle. Reserved for particles that are too large to pass through cell membrane. |
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Term
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Definition
The movement of a drug from the site of administration into the fluids of the body that will carry it to the site(s) of action. Drug and patient factors will affect this. |
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Term
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Definition
The degree in which the drug is absorbed and reaches the circulation. Higher in IV and IM drugs. |
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Term
pH and Ionization
(alkaline) |
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Definition
Ionized drugs are absorbed more readily in areas of higher what?
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Term
pH and Ionization
(acidic) |
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Definition
Non-ionized drugs are absorbed in areas of lower what? |
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Term
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Definition
Drug molecules can change from being ionized to non-ionized as they travel from one body compartment to another. |
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Term
Age
Health
Metabolic rate
Genetic factors
Sex |
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Definition
Five patient factors that can affect absorption. |
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Term
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Definition
Physiological movement of drugs from the systemic circulation to the tissues. |
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Term
Membrane permeability
Tissue perfusion
Protein binding
Volume of distribution |
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Definition
Factors that affect drug distribution |
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Term
Blood brain barrier. (BBB) The capillaries do not have fenestrations. So only the most lipophilic drugs can enter the CNS |
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Definition
Large molecules cannot pass through fenestrations in the capillaries. What is the exception to membrane permeability. |
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Term
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Definition
Fat tissue has lower levels of drugs due to a lack of? Drugs stored in fat will delay onset of results. |
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Term
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Definition
Some drug molecules bind to proteins in the blood that are too large to pass through the capillaries and become trapped in circulation. This is called? |
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Term
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Definition
How well a drug is distributed thoughout the body based on the concentration of the drug in the blood. Assumes that the drug concentration in the blood is equal to the drug concentration dispersed throughout the rest of the body. |
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Term
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Definition
The larger the volume of drug distribution, the _______the drug concentration in the blood after distribution. |
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Term
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Definition
The chemical alteration of drug molecules by the body cells of patients to a metabolite.
a.k.a. biotransformation. Occurs mainly in the liver. |
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Term
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Definition
When some drugs change the absorption of other drugs. |
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Term
Competition for Plasma Proteins |
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Definition
Two drugs that both bound to plasma proteins, with one drug having a higher affinity for binding, will leave excess of the other drug in circulation. Could lead to toxic levels. |
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Term
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Definition
When some drugs affect the kidneys which causes a decrese in excretion of other drugs. Example is diuretics. |
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Term
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Definition
When the same enzyme may be needed to metabolize two drugs that are being given at the same time. |
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Term
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Definition
Decreased responce to a drug |
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Term
Metabolic: drug is metabolized more rapidly with chronic use.
Cellular: decreased cellular receptors with repeated use. |
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Definition
The two types of tolerance to a drug. |
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Term
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Definition
Removal of a drug from the body.
a.k.a. elimination
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Term
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Definition
When drugs are eliminated through the glomerular filtration, tubular excretion, and tubular reabsorption, they are excrete through the? |
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Term
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Definition
When drugs are eliminated via passive diffusion from the blood into the liver cells. They go through the? |
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Term
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Definition
Perio after the aministration of a rug in which the animal can be sent to slaughter. Calculated based on rug half life. |
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Term
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Definition
Time required for the amount of rug in the boy to be reduced by half of its orginal level. |
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Term
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Definition
Some drugs form a chemicle bond with specific cell components on target cells calle? These are 3D proteins that may be located in the cell membrane, the cytoplasm or nucleus. |
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Term
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Definition
Binds to cell receptors to cause an action |
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Term
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Definition
Drug that inhibits or blocks the responce of a cell. |
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Term
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Definition
Name of the drug based on its chemical make up. Provides scientific and technicle information. |
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Term
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Definition
Official identifying name of a drug. Non-proprietary name. |
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Term
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Definition
Name given by the drug company. Proprietary name, trade name. |
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Term
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Definition
The preperation, mixing, assembling, packaging, and/ or labeling of a drug based on a prescription drug order from a veterinarian for a specific patient. |
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Term
United States Pharmacopeia (USP)
on a drug label means it meets the standards described in the compendium. |
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Definition
Official compendium describes thye source, appearence, properties, standards of purity, and other requierments of the most important pure drugs. |
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Term
Drugs Name(generic and trade
Drug concentration & quanity
Name and adress of manufacturer
Manufacturer's control or lot #
Expiration date
Otherm if warranted
-Withdrawl times
-controlled substance status |
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Definition
Drug packaging requirements. |
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Term
1) Veterinarian name, adress, phone #, and DEA # if necessary.
2) Client name and adress, patient name and species.
3) Drug name, strength, & quanity to be dispensed
4) Instructions for giving drug to patient.
Number of refills
Veterinary signature
Date of perscription |
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Definition
Writteb perscription requierments on label. |
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