Питання 13 з 39 · Тема: Cell excitation · Physiology

The patient's ECG shows that in the second standard lead from the extremities the P waves are positive, their amplitude is 0.1 mV (the norm is 0.05-0.25 mV), duration - 0.1 seconds (the norm is 0.07-0.10 seconds). It can be concluded that the following process occurs normally in the cardiac atria:

1. A Depolarization
2. B Repolarization
3. C Contraction
4. D Relaxation
5. E Activation

Правильна відповідь: A. Depolarization