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NEET UG BIOLOGY MCQ: NEURAL CONTROL AND COORDINATION
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Understanding
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During the conduction of a nerve impulse, the action potential results from the movement of
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Correct option: D
ions from extracellular fluid to intracellular fluid
Option D ( ions from extracellular fluid to intracellular fluid) is correct because during an action potential, sodium ions rush into the cell, causing depolarization.
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I. It screens sensory information
II. It is important in overall activation and arousal
III. It is concerned with involuntary movements
IV. It is the seat of learning, memory, reasoning and creative ability Which of the following neuron is also called excitor neuron?