A client with cardiac disease is on a beta-blocker. What effect does this medication have on the cardiovascular system?
a. Decreases the cardiac workload by decreasing the heart rate
b. Increases the heart rate
c. Constricts blood vessels
d. Improves oxygenation by bronchoconstriction
a. Decreases the cardiac workload by decreasing the heart rate
FEEDBACK:
a. Beta-blockers decrease the cardiac workload by decreasing the heart rate.
b. Beta-blockers may decrease the heart rate. .
c. Beta-blockers may dilate blood vessels. .
d. Beta-blockers have been known to cause bronchoconstriction in clients with asthma; however, this is not a desirable effect. .
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