Shared Flashcard Set

Details

Opt 222 Pharm
Test 3 Chang
16
Other
Not Applicable
04/02/2008

Additional Other Flashcards

 


 

Cards

Term
How do most drugs get to the target receptor?
Definition

Simple diffusion

Term
What are two lipid soluble functional groups on drugs?
Definition
S and CH3
Term
What are two water soluble groups on drugs?
Definition
O2 and OH
Term
Will a drug that burns or stings increase its concentration or decrease the drug concentration?
Definition
Burning or stinging increases tear flow, thus diluting the drug
Term
How much is one drop?
Definition

30 microliters

Term
What pKa of drugs will be abosorbed in the stomach?
Definition
low pKa
Term
Where are most drugs absorbed when taken orally?
Definition
small intestine
Term
What are two disadvantages of IV administration?
Definition
  1. aseptic technique
  2. risk of overdose
  3. less margin for error because drug is going into systemic circulation

 

Term
What is the safest and most convenient form of administration?
Definition
topical
Term
What effect does epinephrine have on the local and systemic distribution of a drug?
Definition
Epinephrine constricts blood vessels and keeps the drug more concentrated at the local site
Term
What organ metabolizes most hydrophilic drugs?
Definition
kidneys are favored with renal excretion
Term
What organ metabolizes drugs excreted in bile and the feces?
Definition
liver
Term
What property of a drug limits the frequency of dosing?
Definition
Therapeutic index
Term
What is the percentage of compliance for a 1 qid administration vs. a tid administration?
Definition
79% vs. 59%
Term
What effect does inflammation have on drug distribution?
Definition
reduces it
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