In a Voltage Clamp Experiment, You Record from a Neuron

Multiple Choice

In a voltage clamp experiment, you record from a neuron after a command voltage step to -10 mV. In a second experiment, you step the command voltage to +50 mV. What do you notice about the sodium current in the second experiment, compared to the first?

A) The sodium current is larger.
B) The sodium current is smaller.
C) The sodium current is the same magnitude.
D) The sodium current appears earlier in time.
E) The sodium current appears later in time.