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Reflex Arc and Neuron Types
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AP Psychology
AP.073 Reflex Arc and Neuron Types
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A pain-relieving medication changes the person's conscious pain report but leaves the immediate hand-withdrawal response unchanged. What does this most strongly suggest about the reflex arc?
A
The motor neuron must be the cell that creates conscious pain.
B
The reflex requires the person to report pain before moving.
C
The hand withdrawal is controlled only by a hormone.
D
The initial withdrawal can be generated by spinal circuitry even when conscious pain perception is altered.
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