If a student says that the brain never receives information in a reflex action, what is the correct correction?
Answer and explanation
Correct answer: A quick response may occur through the spinal cord, but information later reaches the brain
A reflex arc is arranged for a rapid protective response. Receptors detect the stimulus, sensory neurons carry the impulse to the spinal cord, and motor neurons quickly activate the effector before conscious processing is complete. However, the sensory information is also relayed to the brain, allowing the person to become aware of pain or contact afterwards. Therefore option A corrects the misconception; the other statements deny essential parts of the reflex arc.
Frequently asked questions
What is the correct answer to this question?
A quick response may occur through the spinal cord, but information later reaches the brain
Why is this the correct answer?
A reflex arc is arranged for a rapid protective response. Receptors detect the stimulus, sensory neurons carry the impulse to the spinal cord, and motor neurons quickly activate the effector before conscious processing is complete. However, the sensory information is also relayed to the brain, allowing the person to become aware of pain or contact afterwards. Therefore option A corrects the misconception; the other statements deny essential parts of the reflex arc.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Control and Coordination. Topic: Reflex action.
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