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Pharmacokinetics
Test 1
19
Other
Undergraduate 4
09/15/2008

Additional Other Flashcards

 


 

Cards

Term

 

 

K = ? 

Definition

 

 

 

K = 0.693
      T 1/2

Term
What is MRT and what does it equal? 
Definition

MRT is mean resident time, and it is...

 

 

                          MRT = 1  =     1      = 1.44T1/2

                                    K     (0.693)
                                            T 1/2
Term

 

 

 

 

                                     1    =  ?

MRT

Definition

 

 

 

Term
What is the equation for total body clearance?
Definition

 

 

 

 

ClT = K x Vd

Term

 

 

 

(AUC)(K) = ? 

Definition

 

 

 

Cp0 = Initial Plasma Concentration

Term

 

 

 

                                  AUC = ?

                                  MRT 

Definition

 

 

 

Cp0

Term

Half-Lifes and corresponding Fraction of dose of drug in body....memorize!!

 

1T 1/2    Fb = ?

2T 1/2    Fb = ?

3T 1/2    Fb = ?

4T 1/2    Fb = ?

5T 1/2    Fb = ?

Definition

 

Fb =0.5

Fb =0.25

Fb =0.10

Fb =0.05

Fb =0.01

 

Term

 

 

 

AUC = ?

Definition

 

 

 

AUC =   Dose    =    Cp0 

            ClT            K 

 

Term

 

 

 

What is K? 

Definition

 

 

The overall elimination rate constant 

 

K = ke + km 

Term
How do you calculate the total amount of drug in the body at time "t"?
Definition

 

 

At = Cpt x Vd

Term
How do you calculate the rate of elimination in the body using the rate elimination constant?
Definition

 

 

 

Rate of elimination = -kAt

Term

 

 

Useful Log equation in "y= b - mx" format 

Definition

 

 

 

Log Cp = Log Cp0 -    kt  

                               2.303
 

Term

 

 

(T 1/2) (K) = ? 

Definition

 

 

 

 

0.693 

Term

 

 

 

   Cp   = ?

                                 Cp0

Definition

This is the fraction of the drug in the body...

 

 

= e-kt

Term

Volume of distribution stuff....

 

 

Vd = ? 

Definition

 

 

         At      or   Vd =    At     =    Dose  

        Cpt                     Cp0             Cp0
Term

 

 

 

  AUC    = ?

                               MRT 

 

Definition

 

 

Cp0

Term

 

 

MRT = How many Half-lives? 

Definition

 

 

 

1.44 (This can be a conversion to find out how many hours a half-life is). 

Term

 

 

 

Name the two equations for duration of action, or td

Definition

 

 

             td2.303 Log   Cp0   Log   or......

                       K           CpMEC

 

                        T 1/2 = 0.693

                                      K
 

Term

 

 

 

Total Amount Eliminated 

Definition

 

 

 

(Ael)t = Cp0 x fb 

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