BIO120H1 Lecture Notes - Ringer'S Solution, Calcium Channel Blocker, Oscilloscope
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BIO120H1 Full Course Notes
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Perform the experiments in physioex lab 6 (cardiovascular physiology). Provide the results requested, and answer the questions, for each of the following activities. Note: the activity names and numbers listed below correspond to those in physioex version 9. 0. If you are using an older version of physioex the exact activity names and numbers may not match. In this case, identify which activities in the older versions correspond to the ones listed below and place the appropriate data in the corresponding section. Activity 1: investigating the refractory period of cardiac muscle. Results: briefly describe what happened when you applied the electrical stimuli to the heart. (2 marks) When single stimuli (shocks) were delivered in succession to the frog heart, the oscilloscope showed a doublet or a double peak, which contained an extrasystole or an extra contraction of the ventricle and then a compensatory pause. When multiple stimuli were applied to the frog heart, the oscilloscope showed extrasystoles being produced more frequently.
