Answer the questions below related to PhysioEx exercise on Frog Heart Stimulation and submit your work on Blackboard
1) What is extrasystole? What is a compensatory pause?
2) What is the effect of the vagus nerve stimulation on the heart?
3) What is the heart rate when the heart is bathed in 23oC Ringer’s solution?
What change did you observe when the heart is in cold Ringer’s (5oC) solution?
What change did you observe when the heart is 32oC solution?
What conclusion can you make about the effect of temperature on the heart rate?
Sample Solution
