Explain how light is detected by your eye and the signal

Reference no: EM133347745

Questions

1. Neuron 1 fires an action potential, releasing neurotransmitters to neuron 2. However, neuron 2 does not fire an action potential itself. Expain in your words to help me understand the neuronal signaling to identify and explain two possible reasons for this observation.

2. A patient presents with loss of sensation on the left side of the body.

A) You know that this patient has suffered brain damage. Explain in your words to help me understand the damage is to the brain, not the spinal cord.

B) What region of the brain is most likely affected? Why?

3. Most organ systems of the body are innervated by both branches of the autonomic system. Select two organ systems of the body, explain what each branch of the autonomic nervous system does in that organ system, and how these effects reflect the "fight or flight" vs. "resting and digesting" characteristics of each branch of the autonomic nervous system.

For full credit, answer must correctly identify the effect(s) of each branch of the ANS in the selected organ system, explain how one set of effects relates to "fight or flight", and explain how the second set of effects relates to "resting and digesting".

4. Explain fully how light is detected by your eye and the signal sent to your brain. Be sure to identify and explain the roles of: rhodopsin, rods, bipolar cells, ganglion cells, optic nerve.

Reference no: EM133347745

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