What is the MAJOR function of cardiac glycosides?
a. They act directly on the myocardium to increase the force of myocardial contractions.
b. They speed up the heart rate to reduce cardiac output.
c. They improve glucose in the myocardial cells.
d. They assist with vasodilation of the cardiac vessels.
a. They act directly on the myocardium to increase the force of myocardial contractions.
FEEDBACK:
a. In clients with heart failure, the cardiac glycosides act by increasing the force of the cardiac contractions without increasing oxygen consumption, thereby increasing cardiac output.
b. Cardiac glycosides help produce slow, strong myocardial contractions. .
c. Cardiac glycosides are not known to improve glucose in the myocardial cell. .
d. Cardiac glycosides are not known to assist with vasodilation. .
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