In the Withdrawal Reflex

question 20

Multiple Choice

In the withdrawal reflex,

• A) action potentials in a pain sensory neuron enter the spinal cord through the ventral root on the same side of the body.
• B) the axon from a pain sensory neuron makes inhibitory synapses with motor neurons on the same side of the spinal cord and inhibitory synapses with motor neurons on the other side of the spinal cord.
• C) coordinated escape reactions can be initiated before the brain registers the painful sensation.
• D) axons from the pain sensory neuron make synapses with sympathetic preganglionic neurons in the spinal cord.
• E) axons from motor neurons on the same side of the spinal cord that receives the input from the pain receptors cross the spinal cord to stimulate muscles on the other side of the body.

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