write a description of the pathway that information takes as it is sensed, trave
ID: 39473 • Letter: W
Question
write a description of the pathway that information takes as it is sensed, travels to the CNS, within the CNS, and out of the CNS to an effector. The types of information provided should include the types of receptors involved, incoming and outgoing pathways to/from the spinal cord, through the spinal cord to/from the brain, and to/from different areas of the brain. Include all major parts of the brain that a particular signal would travel through and the types of fibers that a signal travels through within the cerebrum. Include both gray and white matter areas.
You step on a piece of glass and immediately pull your foot away. You feel pain and see that you are bleeding. You decide that you had better clean it up and get a bandaid to cover the wound.
Explanation / Answer
when a sensory neuron is stimulated by external stimuli, the dendrites which are bound to neurotransmitters thus, thehe neurotransmitters cause the cell to become permeable to ions by opening volatge gated ion channels. ususally sodium ion channels open cauisng the resting negative potential of the cell to become positive potential hwich is depolariztion of neuron thus passing the signal to the cell body. thus, rise is sodium ions causes the neural response to stimuli.
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