Figure 12-2 The Nerve Action Potential

Use Figure 12-2 to answer the following questions:
-In which area of the graph do you see a sudden rush of sodium ions into the neuron?
A) 1
B) 2
C) 3
D) 4

Question

Figure 12-2 The Nerve Action Potential
 
Use Figure 12-2 to answer the following questions:
-In which area of the graph do you see a sudden rush of sodium ions into the neuron?
A) 1 
B) 2 
C) 3 
D) 4

Quizplus · Accepted Answer

The sudden rush of sodium ions into the neuron occurs during Phase 0, which is depicted in area 2 of the graph where the membrane potential rapidly depolarizes due to the influx of sodium ions.

Figure 12-2 the Nerve Action Potential