negative inotropic, what effect do you think increasing the concentration of calcium will haveon heart rate?Your answer: negative chronotropic, negative inotropic.1Predict Question 2: Excess potassium outside of the cardiac cell decreases the restingpotential of the plasma membrane, thus decreasing the force of contraction. What effect (ifany) do you think it will initiallyhave on heart rate?Your answer: decrease heart rate.2Where in the cardiac muscle cell is most of the sodium normally found?1
2/19/2020PhysioEx Exercise 6 Activity 53/4Post-lab Quiz ResultsYou scored 100% by answering 4 out of 4 questions correctly.Review Sheet ResultsThe addition of most of the ions resulted inYou correctly answered: an erratic, decreased heart rate.1The effect of potassium on the heart isYou correctly answered: negative chronotropic, negative inotropic.
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