Q
Which option indicates correct chronology of changes during nerve impulse transmission?
A. Depolarization ? Action potential ? Repolarization ? Na+ and K+ pump
B. Depolarization ? Action potential ? Na+ and K+ pump ? Repolarization
C. Depolarization ? Repolarization ? Action potential ? Na+ and K+ pump
D. Na+ and K+ pump ? Depolarization ? Repolarization
Correct Answer:
A
Explanation:
The correct sequence is depolarization, action potential, repolarization, and Na+/K+ pump.
Biology - Nervous System
Veterinary Pharmacist 2025
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