For Many Reflexes, Including the Stretch Reflex, the Excitation of a Muscle

question 14

Multiple Choice

For many reflexes, including the stretch reflex, the excitation of a muscle leads to

• A) excitation of all motorneurons that are contralateral.
• B) inhibition of motor neurons of its antagonist.
• C) inhibition of motor neurons of its synergist.
• D) excitation of motor neurons of the antagonist.
• E) inhibition of sensory neurons that initiate the reflex.

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