What is the role of an inhibitory interneuron in a stretch reflex?
A. It sends inhibitory commands to the opposite limb, so it will not respond.
B. Inhibitory interneurons are not involved in stretch reflexes.
C. It ensures that the reflex does not damage the effectors.
D. It is used to inhibit the antagonistic muscles from contracting at the same time as the effectors of the reflex.
E. It is used to ensure that the effectors do not contract excessively.
Answer: D
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