Question

The ventricular diastole has a duration of ______________ seconds.

• A. 0.5
• B. 0.8
• C. 0.1
• D. 0.3

Hint:

Diastole is longer than systole to allow proper filling of ventricles.

Answer 1

The Correct Option is A

Step 1: Understanding cardiac cycle.
A complete cardiac cycle lasts about 0.8 seconds in a normal adult human at rest.
Step 2: Duration of ventricular phases.
Ventricular systole lasts about 0.3 seconds, while ventricular diastole lasts about 0.5 seconds.
Step 3: Conclusion.
Hence, the duration of ventricular diastole is 0.5 seconds.