Bipyridines Inhibitors (Positive Inotrope Medications)increase Myocardial Contractility by Which of the Following
Bipyridines inhibitors (positive inotrope medications) increase myocardial contractility by which of the following mechanisms?
A) Increase intracellular calcium influx by inhibition of cyclic nucleotide phosphodiesterase.
B) Inhibiting the sodium-potassium pump (Na+-K+ pump) .
C) Stimulate Beta₁ adrenoceptors of the myocardium.
D) Stimulate Beta₁ myocardial receptors.
Correct Answer:
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