Prior to the administration of metoprolol, a beta-adrenergic blocking agent, which is most important for the nurse to assess?
a. Blood pressure
b. Lung sounds
c. Mental status
d. Urine output
ANS: A
Beta-adrenergic blocking agents cause vasodilation and decreased heart rate, resulting in lowering of the blood pressure. A premedication assessment is to take baseline heart rate and blood pressure. Fluid retention may occur as a serious adverse effect but is not the most important assessment prior to the administration of a beta-adrenergic blocking agent. Mental status and urine output are not the most important assessments prior to the administration of a beta-adrenergic blocking agent.
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