Isosorbide 5 - mononitrate is preferred because____________?

Correct answer: C. Longer duration of action

  • A. Less tolerance develops
  • B. Sublingual absorption is better
  • C. Longer duration of action
  • D. Direct coronary vasodilatory action is more

Explanation

Isosorbide 5-mononitrate has a longer duration of action and more reliable oral bioavailability than isosorbide dinitrate because it avoids first-pass metabolism. Its main advantage is not greater direct coronary vasodilation.

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