4. Which of the following statements about reflexes and pain is true? A. Reflex signals pass through the spinal cord only, not the brain, and produce a physical response of movement away from the pain.
B. The perception of pain signal is transmitted to the somatosensory cortex of
the brain and does not produce an involuntary physical response.
C. A reflex response occurs more slowly than the perception of pain.
D. Choices A and B are both true.