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Neural Control and Coordination

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  1. Anesthetics reduce pain by blocking the transmission of nerve impulses. The kind of chemicals working as anesthetics are those that block
    1. only the voltage-gated sodium channels in membranes
    2. only the voltage-gated potassium channels in membranes
    3. only the neuro-transmitter receptors
    4. voltage-gated sodium and potassium channels and neuro-transmitter receptors
Correct Option: D

Anesthetic chemicals block the voltage gate sodium and potassium channel.


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