Pharmocology Flashcards
(11 cards)
What is pharmacokinetics?
Pharmacokinetics is the study of how drugs are absorbed, distributed, metabolized, and excreted in the body.
True or False: Pharmacodynamics refers to the effects of drugs on the body.
True
Fill in the blank: The four main processes of pharmacokinetics are absorption, distribution, __________, and excretion.
metabolism
What is the primary organ responsible for drug metabolism?
The liver
Which of the following is NOT a factor that affects drug absorption? A) Route of administration B) Drug formulation C) Patient’s age D) Drug color
D) Drug color
What does the term ‘bioavailability’ refer to?
Bioavailability refers to the proportion of a drug that enters the systemic circulation when introduced into the body and is available for action.
Short Answer: Define ‘therapeutic window’.
The therapeutic window is the range of drug dosages which can treat disease effectively while staying within the safety range.
True or False: Volume of distribution (Vd) is a measure of how extensively a drug is distributed throughout the body.
True
Multiple Choice: Which pharmacokinetic parameter indicates the time it takes for the plasma concentration of a drug to reduce by half? A) Clearance B) Half-life C) Bioavailability D) Volume of distribution
B) Half-life
How would you convert 2g into mcg
Multiply 210g by 1000 then again by 1000
210g x 1000 x 1000 =210,000,000 mcg
Convert 4000ml into L
4L
4000 divided by 1000 = 4