Multiple Choice
Figure 41-3
Use the figure to answer the corresponding question(s) . 
-Step 2 in Figure 41-3 is accomplished by:
A) an influx of Ca2+.
B) an influx of Na2+.
C) an influx of K+.
D) an efflux of Na2+.
E) an efflux of K+.
Correct Answer:

Verified
Correct Answer:
Verified
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