pharmacology exam 2

chs 4 and 5

proportions formula

original dose / original amount = desired dose / desired amount

percent strength formula

percent strength = dose(grams) / total amount

dilution formula

volume1 x concentration1 = volume2 x concentration2

cholingergic

refers to a drug causing stimulation of a receptor for acetylcholine

anticholinergic

refers to a drug blocking a receptor for acetylcholine

adrenergic

refers to a drug stimulating a receptor for norepinephrine or epinephrine

antiadrenergic

refers to a drug blocking a receptor for norepinephrine or epinephrine

atropine

prototype parasympatholytic agent, also used to dry secretions preop

what type of drug is methacholine

direct acting agent

what is methacholine used for

used as a diagnostic tool for asthma

what type of drug is tensilon

acetylcholinesterase inhibitor

what is tensilon used for

improve muscle function and diagnose conditions like myasthenia gravis