1. How does your peripheral nervous system \"keep things real? 2. What five type
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Question
1. How does your peripheral nervous system "keep things real? 2. What five types of sensory nerve receptors are discussed in this video? What type of stimuli does each one detect? 3. How is pain "useful?" 4 What bacterial infection damages nerves resulting in loss of sensation? (Hint: Watch for the blue box.j 5. What is meant by the phrase "pain threshold? 6. How is pain threshold different from pain tolerance/perception? 7. How does a tack in the foot stimulate mechanically gated receptors on a sensory neuron? 8. How does a tack in the foot stimulate ligand (chemically) gated receptors on a sensory neuron? 9. How do many pain killers work? (Hint: Watch for the blue box) 10. What are the five steps or components of a reflex are? 11. What is an innate (intrinsic) reflex action? 12. Where does the processing or integration of innate reflexes occur? 13. Why is it important that innate reflex integration occurs where it does? 14. How are learned (acquired) reflexes formed? What are two examples? 15. Stepping on a tack with your right foot causes what muscles in the right leg to contract? 16. Stepping on a tack with your right foot causes what muscles in the left leg to contract? 17. What is the name of the reflex that occurs when you step on a tack? (You'l have to look this one up in your texibook or in the lecture Reflexes- PowerPoint slides.) 18. What two types of receptors detect over stretching? 19. What response is produced as a result of stimulating these stretch-detecting receptors? 20. What is the function of the thalamus following a painful stimulation? 21. What is the function of the somatosensory cortex following a painful stimulation? 22. What is the function of the limbic system following a painful stimulation? 23. What is the function of the frontal cortex following a painful stimulation?Explanation / Answer
1. The Peripheral Nervous System forms an essential part of the nervous system. It comprises of the nerves which are located outside the Central Nervous System. It acts as a connector between the Central Nervous system and the other organs and also helps the brain and the spinal cord to exchange information about the other parts of the body thereby allowing us to react to stimulus.
It helps in keeping things real by the following methods:
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