AIPMT PRELIMS 2007 Zoology Nerve Impulse Transmission MCQ Question
During the transmission of nerve impulse through a nerve fibre, the potential on the inner side of the plasma membrane has which type of electric change?
first positive, then negative and continue to be positive
first negative, then positive and continue to be positive.
first positive, then negative and again back to positive
first negative, then positive and again back to negative.
Correct Answer
Detailed Explanation
During nerve impulse transmission, depolarization causes the inside to become positive, followed by repolarization returning it to negative.
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