#Question id: 30049
#Unit 7. System Physiology – Animal
Myocardial fibers are separated by membranes, but depolarization spreads radially (syncytium) because of the presence of:
#Question id: 30050
#Unit 7. System Physiology – Animal
In the human heart, the SA node is located at the junction of the superior vena cava with the:
#Question id: 30051
#Unit 7. System Physiology – Animal
Which of the following normally has a slowly depolarizing “prepotential”?
#Question id: 30052
#Unit 7. System Physiology – Animal
Which of the following channels opening contribute to the repolarization of the ventricular muscle fibers?
#Question id: 30053
#Unit 7. System Physiology – Animal
The second heart sound is produced by:
#Question id: 30054
#Unit 7. System Physiology – Animal
The fourth heart sound is produced by: