MCQ
The $QRS$ complex in a standard $ECG$ represents:
- ARepolarisation of ventricles
- BRepolarisation of auricles
- CDepolarisation of auricles
- ✓Depolarisation of ventricles
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$I.$ Antibiotics
$II.$ Fermented beverages
$III.$ Bioactive molecules
$IV.$ Enzyme
Choose the correct option