| Term 
 
        | Mechanism of Action (MOA) |  | Definition 
 
        | -manner in which molecular targets are affected by the drug. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -the binding of the drug at the receptor is followed by a series of signal transduction events which result in end points. |  | 
        |  | 
        
        | Term 
 
        | Mechanism of Action (MOA) |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Mechanism of Action (MOA) |  | Definition 
 
        | -example: morphine binding to and activating μ GCPRs in the brain. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -what the drug does to the body. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -example: morphine causing analgesia in the body. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -predictable reactions that are bothersome. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -causes the patient to stop taking that drug. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -medications and health conditions that pose considerable risk. |  | 
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        | Term 
 | Definition 
 | 
        |  | 
        
        | Term 
 | Definition 
 
        | -minimum to maximum dose. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -the physical state of the drug delivered. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -the concentration of the drug when it elicits 50% of its maximum response. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -elicits a response from the tissue. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -drug with the greatest pharmacological effect. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -effects are less than the full agonist. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -causes the opposite effect of the agonist. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -prevents the activity of the agonist. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -binds at the same site receptor as the agonist. |  | 
        |  | 
        
        | Term 
 
        | Non-competitive Antagonist |  | Definition 
 
        | -binds at a different site than the agonist. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -can bind at a different site than the agonist even when the agonist is bound. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -tendency to bind to receptors. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -ability to initiate a response. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -capacity of a single drug-receptor complex to evoke a response. |  | 
        |  | 
        
        | Term 
 
        | Allosteric Model of Drug Action |  | Definition 
 
        | -receptors exist in more than one configuration and can be induced to fit or inhibited to inactivate. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -transfer of drug from its site of administration to the blood. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -transfer of drug from blood to tissue. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -enzymatic conversion of drugs to more polar compounds. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -removal of drugs from the body. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -drugs consumed via inhalation, intranasal, topical, transdermal, ocular, etc. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -the concentration of a drug is decreased when metabolized in the liver before reaching systemic circulation, but can be reintroduced to the GI tract again. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -fraction of unchanged drug that reaches the systemic circulation following administration by any route. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | (drug in system) -----------------
 (drug administered)
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -indicator of how drugs are dispersed among the body compartments. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -time for the plasma concentration of a drug to be reduced by 50%. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -the process of a drug inducing more enzymes to be produced by the liver for faster metabolism. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -the unavailability of an enzyme to metabolize a drug because it is already metabolizing another drug. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | (lethal dose in 50%) -------------------
 (effective dose in 50%)
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -takes biological diversity into account by using the lethal dose in 1% instead of 50%. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | (lethal dose in 1% - effective dose in 99%) ------------------------------------
 (effective dose in 99% x 100)
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -the range of the concentration of plasma with a drug having high probability of therapeutic success. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -two drugs oppose each other in their pharmacological effects. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -combination results in an effect of one that is greater than expected. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -additive effects of two drugs that share the same pharmacological effects. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -the combination of drugs results in pharmacological effects that are greater than the maximum effect of each individual drug. |  | 
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