Pharmacology第 44 / 100 题
A beta blocker such as metoprolol primarily works to:
a.Raise the heart rate and blood pressure
b.Slow the heart rate and lower blood pressure
c.Increase stomach acid
d.Thin nasal secretions
解析
Beta blockers reduce heart rate and blood pressure and the heart's workload, which is why a pulse is often checked before administration. The aide holds the dose and notifies the nurse if the pulse is below the ordered parameter.
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