Podcast
Play an AI-generated podcast conversation about this lesson
Questions and Answers
What is the resting membrane potential in myocardial working cells?
What is the resting membrane potential in myocardial working cells?
- -60 mV to -65 mV
- -70 mV to -75 mV
- -95 mV to -100 mV
- -85 mV to -90 mV (correct)
During isovolumetric relaxation, what is the state of the cardiac valves?
During isovolumetric relaxation, what is the state of the cardiac valves?
- All valves are open
- Atrioventricular valves are open, semilunar valves are closed
- All valves are closed (correct)
- Atrioventricular valves are closed, semilunar valves are open
Which nerve mediates the oculo-cardic reflex?
Which nerve mediates the oculo-cardic reflex?
- Trigeminal nerve (correct)
- Vagus nerve
- Glossopharyngeal nerve
- Facial nerve
What causes calcium influx from extracellular fluid to sarcomeres during myocardial contraction?
What causes calcium influx from extracellular fluid to sarcomeres during myocardial contraction?
Signup and view all the answers
Which phase of the action potential of the myocardial cells is important for impulse formation?
Which phase of the action potential of the myocardial cells is important for impulse formation?
Signup and view all the answers
