Pharmacology The antianginal effect of b-blockers may be attributed to which one of the following A Increased hea rate B Increase in diastolic perfusion time C Decreased end diastolic ventricular volume D Increase in ejection time 💡 Explanation The antianginal effect of b-blockers may be attributed to which one of the following ✓ Correct Answer: B. Increase in diastolic perfusion time