Chapter 11-13 1. What are the 4 regions of the brain? 2. What structures make up the diencephalon? 3. What structures make up the brain stem? 4. Where does the spinal cord start? 5. What do we call the end of the spinal cord? 6. What is the function of the cerebellum? 7. How many lobes are in the cerebrum, name them? 8. List the ways neurotransmitters are removed from the synaptic cleft? 9. “SAM” is the acronym for what in relation to the nervous system? 10. What does cephal(o)- mean? 11. What does crani(o)- mean? 12. What horn of the spinal cord contains motor neurons of the somatic nervous system? 13. What system is also referred to as out “emotional brain”? 14. List the 3 meninges from outermost to innermost. 15. Which meninx is the innermost meninx? 16. Spinal nerves from L4-S4 make up what plexus? 17. Spinal nerves from C5-T1 make up what plexus? 18. The ability to learn specific information is called what type of memory? 19. What type of sleep is important for memory? 20. Median nerve damage may be a result of damage to what plexus? 21. Where are the vital centers for control of heart rate, respiratory rate and vomiting centers located in? 22. What separates the parietal lobe and the frontal lobe? 23. What connects the two hemispheres? 24. What type of matter (gray or white) is the cerebral cortex made of? 25. Corpus callosum, spinal tracts, outer portion of spinal cord, inner layer of brain are made of what matter (gray or white)? 26. What type of information is the visceral association area give us? 27. Sensory nerves are also known as _______ nerves. 28. Motor nerves are also known as _________ nerves 29. What glial cells produce myelin sheath in the CNS? 30. What glia cells produce myelin sheath in the PNS? 31. What is the tree-like cerebellar white matter called? 32. Your patient can trace a picture of a horse but can’t tell you what it is he drew has most likely damaged what are of the brain? 33. What is the gap between two neurons called? 34. A person knows what they want to say but have difficulty verbalizing the words. Where is the problem? 35. A person can speak very well but his sentences do not make any sense. Where is the problem? 36. A neuron with cell bodies inside the CNS that connects other neurons together is referred to as what type of neurons? 37. The PNS consists of what? a. ___________________________ b. ____________________________ 38. What is a collection of nerve cell bodies outside the CNS (thus in the PNS) is called?_____________________ 39. What is a bundle of neuron processes outside the CNS called? 40. What is the name of the Neuron processes that receive incoming stimuli? 41. What cell aid in peripheral nerve regeneration after nerve injury?________________ 42. Name the 4 spinal plexuses and what ventral rami they are made of? a. _____________________ c._________________________ b. _____________________ d._________________________ 43. What part of the cerebrum is involved in intellect, personality, cognition and recall? 44. Damage to Ventral root results in loss of what?____________________________ 45. What type of fibers do the Dorsal Roots of a spinal nerve contain? 46. What is the uppermost spinal plexus? What main nerve does it form? a. Plexus_____________________ b. Nerve________________________ 47. Name the 5 Nerves that are branches of the Brachial Plexus? a. ________________________ c._____________________________ b. ________________________ d. _______________ e.____________ 48. What body area does the brachial plexus serve?___________________________ 49. What is an area of skin innervated by a single spinal nerve called? 50. Name the 2 nerve branches of the Lumbar Plexus? a. _______________________ b.________________________ 51. What is the nerve that innervates the Diaphragm? What Plexus is it from? a. Nerve____________________ b. Plexus___________________ 52. What is the most important nerve of the cervical plexus? 53. What is the largest cranial nerve?_________________________________ 54. Which cranial nerve sends olfactory signals to the diencephalon? 55. How many pairs of spinal nerves do we have? ____________________ 56. Which CN innervates the major muscles of mastication? Which branch of it? a. ________________________ 57. How many pairs of CN do we have? _______________________ 58. What Cranial Nerve has motor fibers for facial expression?_______________ 59. If a person can’t whistle, what Cranial nerve may be damaged? What muscle may be damaged? a. CN_________________________ b. Muscles_____________________ &_________________________ 60. If you can’t elevate your eyebrow what CN may be damaged? What muscle may be damaged? a. CN_________________________ b. Muscle_____________________ 61. Partial loss of sensation to the tongue & difficulty swallowing may indicate damage to which Cranial nerve?_______________________ 62. What cranial nerve controls tongue movement?_______________________ 63. What Cranial nerve has 90% parasympathetic fibers?___________________ 64. What does the Vagus Nerve innervate? 65. What is the name of CN-XI?__________________________ 66. What 3 Cranial nerves innervate the tongue for taste? What section of the tongue is each responsible for? a. CN__________________________ & Section of tongue__________________ b. CN__________________________ & Section of tongue__________________ c. CN__________________________ & Section of tongue__________________ 67. Where are the receptors for Cranial Nerve-I (Olfactory) found?_____________________ 68. Where does CN-1 pass through and what facial bone? 69. Is CN-I Motor or Sensory or Mixed?____________________ 70. What cranial nerve sends sensory fibers to the cerebral cortex for hearing? Which specific lobe does it go to? a. CN________________________ b. Lobe________________________ 71. What is the Deltoid muscle innervated by?________________________ 72. What nerve innervates the brachialis? What plexus? 73. What nerve runs through the carpal tunnel of the wrist? ____________________ 74. If you have lost sensation along the skin on your lateral hand, what nerve is damaged? 75. What nerve runs along the medial surface of the elbow joint and is referred to as the “funny bone” sensation when hit? 76. What is the nerve innervation to the primary forearm extensors? What plexus? a. Nerve_______________ b. Plexus_____________________ 77. What nerve is prone to being damaged with injections in the gluteal muscle? 78. Which CN is damaged if I can no longer wrinkle my forehead or raise my eyebrows? What muscle is lost? ____________________ b._____________________ 79. What action at the wrist & Fingers would be lost due to Radial nerve damage? a. Action lost_______________________ 80. What is the longest & thicket nerve in the body? ____________________ 81. What are the 2 branches of the sacral plexus? a. _________________ b.___________________ 82. What nerve innervates the quadriceps femoris muscle group? What plexus does it arise from? a. Nerve___________________ b. Plexus____________________ 83. What nerve innervates the posterior thigh, leg and foot? What plexus is it a branch of? 84. What do the Muscle Spindles inform the CNS in regard to a specific muscle? _________ 85. What does the Golgi tendon inform the CNS? 86. What nerve does the Biceps Reflex test?_____________________ 87. What is the patellar “knee-jerk” reflex an example of? 88. What is inborn (intrinsic) reflex? 89. Name the 2 branches of the autonomic nervous system (ANS): a. ___________________________ b. __________________________ 90. Where is the center for ANS control in the central nervous system? 91. Are skeletal muscles Effectors controlled directly be the ANS? 92. What are nerve fibers that release Ach as a neurotransmitter referred to as? 93. Which branch of the ANS is responsible for “flight or fight” response? 94. Which branch of the ANS is responsible for “sit and relax” response? 95. Which ANS is more active during exercise or fighting? 96. Which ANS is more active during sleep, rest and relaxation 97. What does stimulation of the sympathetic nervous system cause? 98. What does stimulation of the parasympathetic nervous system cause? 99. Which cranial nerve (name and number) carries 90% parasympathetic fibers? Answers 1. Cerebrum, diencephalon, brain stem, cerebellum 2. Thalamus, hypothalamus, epithalamus 3. Medulla oblongata, pons, midbrain 4. Foramen magnum 5. Conus medullaris 6. Maintaining balance & coordination 7. 5, parietal lobe, frontal lobe, temporal lobe, occipital lobe, insula lobe 8. Diffusion, enzymatic degradation and re-uptake 9. S=Sensory, A=Association, M=Motor neurons 10. head 11. cranium 12. Ventral/anterior horn 13. Limbic system 14. Dura mater arachnoid mater pia mater 15. Pia mater 16. Sacral plexus 17. Brachial plexus 18. Declarative memory 19. REM 20. Brachial plexus 21. Medulla oblongata of brain stem 22. Central sulcus 23. Corpus callosum 24. Gray matter 25. White matter 26. Sensation of organs such as full bladder or full stomach 27. Afferent nerves 28. Efferent nerves 29. Oligodendrocytes 30. Schwann cells 31. Arbor vitae 32. Visual association area 33. Synaptic cleft 34. Broca’s area in the frontal lobe 35. Werincke’s area 36. Association neurons 37. A. Spinal nerves b. Cranial nerves 38. Ganglia 39. Nerves 40. dendrites 41. Schwann cells 42. A. cervical plexus b. brachial plexus c. Lumbar plexus d. Sacral plexus 43. Prefrontal cortex 44. Complete loss of voluntary motor (muscle) control 45. Sensory (afferent) 46. A. cervical plexus b. Phrenic n. 47. A. Musculocutaneous n. b. Axial n. c. Radial n. d. Ulnar n. e. median n 48. shoulder & arms 49. Dermatome 50. A. Femoral n. b. Obturator n. 51. A. Phrenic n. b. cervical plexus (C3-C5) 52. Phrenic nerve 53. CN-V trigeminal nerve 54. CN-I (olfactory nerve) 55. 31 56. CN-V (trigeminal) 57. 12 58. CN-VII facial n. 59. A. CN-VII (Facial n.) b. Buccinator & Orbicularis Oris 60. A. CN-VII (facial n.) b. Frontalis 61. CN-IX (glossopharyngeal) 62. CN-XII (Hypoglossal) 63. CN-X (Vagus n.) 64. The visceral organs 65. Accessory nerve 66. CN-VII (facial n.) anterior 2/3 b. CN-IX (Glossopharyngeal n.) mid 1/3 c. CN-X (Vagus n.) posterior 1/3 67. Epithelium of the nasal cavity 68. Cribriform plate of the ethmoid bone 69. CN-V (Trigeminal) 70. Sensory only (sense of smell) 71. The Axillary n. 72. Musculocutaneous. Brachia plexus 73. Median nerve 74. Median n. 75. Ulnra n. 76. A. Radial n. b. Brachial plexus 77. Sciatic nerve 78. A. CN-VII (Facial n.) b. lose function of Frontalis muscle 79. A. loss of wrist and finger extension 80. Sciatic n. 81. A. Tibial n. b. Common Fibular n. 82. A. Femoral nerve b. lumbar plexus 83. A. tibial n. b. Sacral plexus 84. The length of the muscle 85. Amount of tension in the muscle & tendon, Causes muscle to relax 86. Musculocutaneous n. 87. Stretch reflex 88. Intrinsic reflexes are involuntary but can be modified by learned behavior 89. A. Parasympathetic b. Sympathetic 90. Hypothalamus 91. No. Skeletal muscles are controlled by the somatic (voluntary) motor division of the PNS 92. Cholinergic fibers 93. Sympathetic nervous system 94. Parasympathetic nervous system 95. Sympathetic nervous system 96. Parasympathetic nervous system 97. Increase blood glucose, decrease GI peristalsis, increase heart rate and blood pressure, Dilation of pupil and constriction of arteries (vasoconstriction) 98. Increased activity of digestive system, increase salivation, Elimination of urine, decrease heart rate & Constriction of pupil 99. CN-X (vagus nerve)