Biology · Pharmacology
Cardiac glycosides obtained from Digitalis species are used in heart failure. Their therapeutic action is mainly due to the inhibition of Na+/K+ ATPase, leading to which physiological effect?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Decreased heart rate without inotropic action
- 2Increased renal sodium excretion directly
- 3Increased intracellular calcium concentration✓
- 4Reduced calcium entry into cardiac myocytes
Correct answer
Increased intracellular calcium concentration
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