BIOL 2404 Nervous System Worksheet
Each worksheet is worth 25 points total. Point values are listed for each question.
Only answers with corresponding numbers are to be submitted as an email attachment in a MS Word document. See calendar for due date.
Anatomy Section 10 points total
Identify the following structures
__________1. collections of nerve cell bodies in the CNS
__________2. chemicals released by axonal terminals
__________3. supporting cells of the nervous system
__________4. bundle of axon process outside the CNS
__________5. produces CSF
__________6. secretes melatonin
__________7. relay station for most of the sensory information
__________8. coordinates complex motor movements
__________9. contains autonomic centers for heart and respiratory rate
__________10. large fiber tract that connects the cerebral hemispheres
__________11. connective tissue protection for the CNS
__________12. union of dorsal and ventral roots
__________13. cells that line the central canal of the spinal cord
__________14. contains the corpora quadrigemina and reflexs for sight & sound
__________15. part of the brainstem, contains higher respiratory controls
__________16. cerebral lobe that processes somatosensory information
__________17. cerebral lobe that processes auditory information
__________18. cerebral lobe that processes visual information
__________19. cerebral lobe that initiates motor responses for skeletal muscle
__________20. cranial nerve for the majority of parasympathetic information
Physiology section 10 points total
21. Define reflex
22. Define plexus
23. Define afferent
24. Define efferent
25. Define threshold
26. Define resting membrane potential
27. Define depolarization
28. Define hyperpolarization
29. Define repolarization
30. Define synapse
31. Explain the importance of myelin
32. Define mixed nerve
Worksheet Nervous System pg 2
33. Give the function of CSF
34., 35. Name the two divisions of the ANS and their general body effects.
Fill in the Following chart for the Cranial Nerves
Cranial Nerve Number Cranial Nerve Name Function
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36. CN I |
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37. CN II |
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38. CN V |
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39. CN VII |
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40. CN XII |
Medical Terminology Section 3 points total
41. neurofibroblastoma
42. hydrocephalus
43. myelography
44. hemiparesis
45. hyperesthesia
46. polyneuropathy
Essay Section 2 points total
47. How might a neuron repair itself?
48. What is the purpose of the sodium-potassium pump for neurons?
49. What is the importance of reflex testing in a routine physical exam?
50. Would a substance that decreases membrane permeability to sodium decrease or increase
the probability of generating a nerve impulse?