1. Tardigrade
  2. Question
  3. Biology
  4. A woman accidentally touched a hot pan without wearing a pair of mittens. On contact, she immediately yanks her hand away. Select the CORRECT statement with respect to the above phenomenon.

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Q. A woman accidentally touched a hot pan without wearing a pair of mittens. On contact, she immediately yanks her hand away.
Select the CORRECT statement with respect to the above phenomenon.

NTA AbhyasNTA Abhyas 2020Neural Control and Coordination

Solution:

When a person comes in contact with an extremely hot object, he or she quickly remove themselves away from it. The entire process of response to a peripheral nervous stimulation, that occurs involuntarily, i.e., without conscious effort or thought and requires the involvment of a part of the central nervous system is called a reflex action. The reflex pathway comprises at least one afferent neuron (receptor) and one efferent (effector or excitor) neuron appropriately arranged in a series. The afferent neuron receives signal from a sensory organ and transmits the impulse via a dorsal nerve root into the CNS (at the level of spinal cord). The efferent nueuron then carries signals from CNS to the effector.