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PHAR 100- questions and answers 2025
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PHAR 100- questions and answers 2025
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PHAR 100- questions andanswers 2025
Define sympathomimetic, parasympatholytic, and give an example
of each as well as an example of a sympathetic agonist and opioid
antagonist. - answer Sympathomimetic - promoting the stimulation
of sympathetic nerves.
Parasympatholytic - reduces the activity of the parasympathetic
nervous system.
Sympathetic agonist - increases or improves the sympathetic
nerves.
Opioid antagonist - reduce or against opioid receptors.
What do the following abbreviations stand for: q.i.d, SL, IM, q? -
answer q.i.d- 4x a day
SL- sublingual
IM- intramuscular
Q- every
We give medications derived from 4 major sources, which are they
and what is an example of each? - answer Animal - insulin (pig)
Plant - digitalis (foxglove)
Mineral - calcium
Synthetic - Demerol
Trade names are usually capitalized and generic names are not.
What are the trade and generic names for the following: Tylenol,
ipratropium bromide, Gravol, Entonox? - answer Tylenol -
acetaminophen
Atrovent- ipratropium bromide
, Gravol - dimenhydrinate
Entonox - nitrous oxide
What is the difference between pharmacokinetics and
pharmacodynamics? - answer Pharmacokinetics- what the body
does to the drug.
Pharmacodynamics- what the drug does to the body.
The body processes drugs in different ways. What are the 4
processes of pharmacokinetics and what makes them unique from
each other? - answer ADME:
Absorption - the rate of absorption determines the onset of action,
extend of absorption determines the intensity. Many factors affect
the rate of absorption.
Distribution - as a drug passes through the body, its form and its
concentration in the tissues influences the effect it will have.
Metabolism (biotransformation) - changes a drug into forms that
can be used by the body or which can be readily excreted (or both).
Metabolism occurs immediately and most often in the liver.
Excretion - sites include kidneys (main site of elimination), GI tract,
perspiration, respiration.
What is the difference between a bound drug and a free drug? -
answer Drugs are bound in variable degrees to proteins or become
stored in fatty tissues. These are referred to as bound drugs.
Only those drug particles that are not bound can be active in the
cells. These are referred to as free drugs.
Why is metabolism important in medication administrations? -
answer it changes the drug into forms that can be used by the
body. If it wasn't for metabolization, most drugs would be
ineffective or can cause toxicity.
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