Figure 12-2 The Nerve Action Potential

Use Figure 12-2 to answer the following questions:
-Which area of the graph shows when voltage-gated sodium channels are open?
A) 2
B) 4
C) 1
D) 5
E) 3

Question

Figure 12-2 The Nerve Action Potential
 
Use Figure 12-2 to answer the following questions:
-Which area of the graph shows when voltage-gated sodium channels are open?
A) 2 
B) 4 
C) 1 
D) 5 
E) 3

Quizplus · Accepted Answer

Area 2 on a graph typically represents the phase of rapid depolarization in an action potential, where voltage-gated sodium channels open, allowing sodium ions to rush into the cell, causing the membrane potential to become more positive.

Figure 12-2 the Nerve Action Potential