Physiology Flashcards
1
Q
What is the name of the physical connection in excitation-contraction coupling in the heart?
A
Desmosome
2
Q
What is the name of the electrical connection in excitation-contraction coupling in the heart?
A
Gap Junction
3
Q
How long is the cardiac muscle action potential
A
250m sec
4
Q
What is P wave on ECG
A
Atrial Depolarisation
5
Q
What is qrs wave on ECG
A
ventricular depolarisation
6
Q
what is pr interval on ecg
A
time from atrial depol to ventricular depolarisation
7
Q
what is t wave on ecg
A
ventricular depolarisation
8
Q
sympathetic nervous system does what to heart rate
A
increased
