bio235 assignment 2

1. Name the type of joint, and list the movements permitted at the shoulder joint. Under each movement’s name, list the names of the muscles responsible for each of these movements along with descriptions of their bone insertion. 2. What are EPSPs and IPSPs, and how are they produced? Explain how these electrical currents are used in spatial and temporal summation to initiate or inhibit the generation of an action potential. 3. Match the items in column A with the descriptions in column B to create the BEST MATCHES. Items in column A can be used only once when making matches to column B. There is only one correct answer for each blank space. Column A Column B 1. pia mater 2. denticulate ligaments 3. epidural space 4. dura mater 5. arachnoid mater 6. tract 7. nucleus 8. horn 9. nerve 10. ganglion 11. endoneurium 12. meningeal branch 13. ventral ramus 14. rami communicantes 15. dorsal ramus 16. tendon reflex 17. cranial reflex 18. spinal reflex 19. autonomic reflex 20. contralateral reflex 21. polysynaptic reflex 22. crossed extensor reflex 23. ipsilateral reflex 24. monosynaptic reflex 25. patellar reflex 26. Achilles reflex 27. Babinski sign 28. spinothalamic tract 29. vestibulospinal tract 30. corticospinal tract 31. posterior columns ___12__ branch of spinal nerve serving vertebrae; vertebral ligaments and blood vessels of the spinal cord __6___ a group of axons with common functions within the spinal cord (or brain) __28___ 4. Describe how the central nervous system is protected from injury. List the components of a spinal reflex arc. Describe the function of each component.