Using the Voltage Clamp Technique, Hodgkin and Huxley Found an Early

Essay

Using the voltage clamp technique, Hodgkin and Huxley found an early inward current and a later outer current (Figure Q2-32, recorded current). What would happen to the current if you would apply tetrodotoxin to the bath before changing the voltage across the membrane? Please select between currents A and B and explain your answer. Figure Q2-32