How does reducing the extracellular sodium concentration increase the intracellular calcium concentration?
A) By increasing passive calcium influx through the cell membrane
B) By reducing the activity of the NCX transport system
C) By hyperpolarizing the resting membrane potential
D) By inverting the electrochemical gradient for calcium
E) By inhibiting the activity of the Na+/K+ ATPase
Correct Answer:
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Q19: When does the NCX stop moving ions
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