إختِبارات ومُلخَّصات مُمَهِدو التَخدير

Which type of cardiac cells are found in the sinoatrial and atrioventricular nodes?

What is the resting membrane potential of myocardial contractile cells?

What is responsible for the repolarization in ventricular contractile fibers during phase 3?

What triggers contraction in ventricular contractile fibers during the plateau phase?

How does the plateau phase in ventricular contractile fibers differ from depolarization in neurons or skeletal muscle fibers?

Which phase of the action potential in ventricular contractile fibers is characterized by a rapid depolarization due to the opening of fast Na+ channels?

What is the resting membrane potential of contractile fibers in the heart?

In which type of cells does the action potential occur in the heart?

رويَ عن الامام الرضا ؏ ؛ ”من لم يقدر على ما يڪفّر بهِ ذنوبه ، فاليُڪثِر من الصلاة على مُحمَّدٍ وآله ، فإنّها تهدم الذنوب هدما“

The atrioventricular node is located in

Its job is to help coordinate the contraction of the atria and the ventricles in response to the heart's electrical signal

All of the following are components of the AV conduction system except...

When the electrical impulse passes through the atria, it generates...... ,? On the ECG

The sinus node is located in...?