NEET Previous Year Question
During the propagation of a nerve impulse, the action potential results from the movement of :
Topic: NEET PYQ
Answer: B. Full step-by-step solution below.
- A from intracellular fluid to extracellular fluid
- B from extracellular fluid to intracellular fluid
- C from extracellular fluid to intracellular fluid
- D from intracellular fluid to extracellular fluid
Correct answer: B
Solution
(b) During an action potential (depolarization), voltage-gated channels open.ions move from extracellular fluid into the neuron, making the inside positive.
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