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NEET Biology Neural Control and Coordination Question Bank Self Evaluation Test - Neural Control and Co-ordination

  • question_answer
    The amount of neurotransmitter released from  presynaptic cell is a function of:

    A) The voltage of the individual action potential in the presynaptic neuron.

    B) The frequency of arriving action potentials is the presynaptic neuron.

    C) Whether the action potential is excitatory or inhibitory.

    D) The receptors in the postsynaptic cell.

    Correct Answer: B

    Solution :

    [b] Neurotransmitter is released from the presynaptic cell when an action potential reaches the synapse. Increase in the frequency of arriving action potentials in the presynaptic neuron will increase the release ofneurotransmitter into the synapse.


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