#Question id: 10983
#Unit 7. System Physiology – Animal
If the S-A node discharges at 0.00 seconds, when will the action potential normally arrive at the AV bundle (bundle of His)?
#Question id: 10984
#Unit 7. System Physiology – Animal
Which of the following are caused by acetylcholine?
#Question id: 10985
#Unit 7. System Physiology – Animal
What is the membrane potential (threshold level) at which the S-A node discharges?
#Question id: 10986
#Unit 7. System Physiology – Animal
Which of the following conditions at the A-V node will cause a decrease in heart rate?
#Question id: 10987
#Unit 7. System Physiology – Animal
If the ventricular Purkinje fibers become the pacemaker of the heart, what is the expected heart rate?
#Question id: 10988
#Unit 7. System Physiology – Animal
What is the normal total delay of the cardiac impulse in the A-V node and the A-V bundle system?