Cardiac Muscle, Dr. D. Penney



Answers to Self-Assessment:

1) True ...... Cardiac Muscle Characteristics

2) True

3) Decreased, Decreasing ...... Page 7

4) Outside the cell ...... Page 2 & Cardiac Muscle Characteristics

5) Doesn't Change ...... Effects of Preloading

6) Increases ...... Figure 12

7) Phase 2 ...... Figure 1

8) True ....... Figure 10

9) True ...... Function of Refractory Period.

10) Decreasing ...... Changing Pacemaker Firing

11) Decrease

12) False ...... Cardiac Muscle Characteristics (the heart cannot undergo tetany!)



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