In the heart, what plays a role in generating impulses and mediating the heart's pacemaker function?
A) Sodium
B) Potassium
C) Magnesium
D) Calcium
Correct Answer:
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Q15: What is the contraction phase in the
Q16: Which of the following is required by
Q17: _ is the pacemaker cardiac
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Q19: Which of the following is considered the
Q21: What does the blood pressure measurement record?
A)
Q22: Which of the following would be a
Q23: An extrasystole is a(n)_.
A) lost rhythm in
Q24: The more blood that can fill the
Q25: What system sets the proper heart rate
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