MCQ's Flashcards
Which of the following describes the amount of drug absorbed by the body
and distributed systemically?
Bioavailiability
The time taken for the concentration of a drug to fall to half its original level
is called:
Half-Life
When the amount of drug excreted equals the amount being absorbed, the condition is called:
Steady-State
Pharmacokinetics considers which of the following:
The movement of drugs within the body and the way in which the body
affects the drugs with time.
What the drug does to the body can be used as a definition of which term?
Pharmacodynamics.
A receptor is:
Usually a protein molecule.
Drugs administered orally can be subject to first-pass effect which is:
The metabolism of a drug by the liver before the drug has become availiable for use.
Drug action relies upon:
Route of administration, rate of absorption and manner of distribution.
A drug that binds to a cell receptor and produces a response is called a:
Agonist.
.
Which of the following routes of administration do not bypass the first-pass metabolism?
NGT
Double negative. Still enters into GI tract.
If a drug has a small therapeutic index, what does this mean?
There is little difference between the dose having the right affect and having a toxic affect.
Which of the following are often taken by patients which can have a
profound effect on their prescribed medications? Please select two.
Grapefruit Juice & St John’s Wort
.
Name 5 different routes that drugs enter the body? Please provide a
medication example for each route.
PO/IV/IM/Inhalation/PV/PR