Pharmacology Which of the following is not true about the mechanism of action of digitalis? A It binds to the intracellular face of Na+ K+ ATPase enzyme B There is rise in intracellular Na+ C It has positive ionotropic action D Digitalis action is independent of cardiac innervation π‘ Explanation Which of the following is not true about the mechanism of action of digitalis? β Correct Answer: A. It binds to the intracellular face of Na+ K+ ATPase enzyme