Answer:
The correct answer is option - C. digitalis.
Explanation:
Cardiac glycosides are the organic compounds that help in increasing the rate of contraction and output of force of the heart. The mechanism of these compounds acts on the sodium-potassium pump of cells.
Digitalis is the cardiac glycoside that is used in heart-related problems and regulates the rhythm of heart rate. These are advised to give to provide with ACEi for blood pressure regulation in the body.
Thus, the correct answer is option - C. digitalis.