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2 weeks ago
An elderly patient has begun taking bisoprolol (Zebeta) 10 mg PO once daily for the treatment of angina. The nurse should administer this drug in the knowledge that it achieves a therapeutic effect in what way?
A)Decreasing heart rate
B)Increasing the force of myocardial contractions
C)Prolonging the QT interval
D)Shortening the time required for repolarization
Source  Download
Abrams' Clinical Drug Therapy: Rationales for Nursing Practice
Edition: 10th
Authors:
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2 weeks ago
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Bisoprolol reduces the workload of the heart and decreases myocardial oxygen demand by decreasing heart rate and the force of myocardial contractions. It does not prolong the QT interval or shorten the time required for repolarization.

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