What is the average duration of action of the short-acting noncatecholamine agents?
a. 1 to 2 hr
b. 2 to 4 hr
c. 4 to 6 hr
d. 6 to 8 hr
ANS: C
Because their duration of action is approximately 4 to 6 hr, these drugs were more suited to maintain therapy than catecholamines and could be taken on a four-times-daily schedule.
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