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Nervous System Part II CNS Study Guide 1. _____________________________________ tracts carry sensory impulses upward to the brain. 2. Cerebrospinal fluid circulates within the ______________________ of the brain and the subarachnoid space outside the brain. 3. The medulla is anatomically associated with cranial nerves______________________ 4. The ______________________ ventricles of the brain are separated by the septum pellucidum. 5. The motor cortex is located in the ______________________ ______________________ of the frontal lobe. 6. There are ______________________ pairs of spinal nerves that exit from the spinal cord. 7. The visual sensory area of the cerebral cortex is located in the ______________________ lobe. 8. One functional center found within the ______________________ ______________________ is a respiratory center involved in the control of the rate and depth of breathing. 9. The ______________________ system acts as our emotional, or affective, brain. 10. The left ______________________ hemisphere is usually dominant. 11. Most of the ascending and descending pathways to and from the brain______________________ from one side of the body to the other. 12. A shallow groove on the surface of the cortex is called a ______________________ 13. The three major functional areas in the cerebral cortex are 14. The 2 bulges on the spinal cord are in the ___________________ and ___________________ area 15. Cerebrospinal fluid is located in all of the following areas except a. central canal inside the cord b. ventricles and aqueducts inside the brain c. central canal inside the brain d. subarachnoid space around brain e. subarachnoid space around the cord 16. Ridges of tissue on the surface of the cerebral hemispheres are called ______________________ 17. Which of these would you not find in the cerebral cortex? a. fiber tracts b. dendrites c. cell bodies d. unmyelinated axons 18. The white matter of the spinal cord contains 19. Nuclei of cranial nerves V, VI and VII are found in the 20. The spinal cord has gray matter on the 21. The vital centers for the control of heart rate, respiration, and blood pressure are located in the 22. Through, thick, leathery meningeal layer is the 23. The cerebrospinal fluid 24. _______________________ is an extension of the pia mater that anchors the spinal cord to the coccyx. 25. The central sulcus separates which lobes? 26. The brain stem consists of the 27. Spinal taps (lumbar punctures) are done through the 3rd and 4th lumbar vertebrae in the ________________________ 28. The function of commissures is to connect 29. The frontal lobe is separated from the temporal lobe by the 30. The hypothalamus a. is the thermostat of the body since it regulates temperature b. mediates sensations c. is an important auditory and visual relay center d. has the Pulvinar body as part of its structure 31. The fissure separating the cerebral hemispheres is the 32. Broca’s area 33. The average adult has _____ ml of cerebrospinal fluid 34. The subarachnoid space lies between what two layers of meninges? 35. Brodmann’s numbers refer to 36. The primary auditory cortex is located in the a. Temporal b. Parietal ____ ____ ____ ____ ____ ____ ____ ____ ____ 37. 38. 39. 40. 41. 42. 43. 44. 45. Taste (gustatory) area Somatic motor cortex Seat of intelligence, abstract reasoning Language/speech comprehension area Auditory area Motor Speech area Primary sensory cortex Premotor area Visual Area c. Frontal d. Occipital A B C D ____ ____ ____ ____ 46. 47. 48. 49. 2 Arachnoid pia mater subarachnoid space Dural mater A B C D E F ____ ____ ____ ____ ____ ____ 50. 51. 52. 53. 54. 55. Arachnoid Pia mater Subarachnoid space (CSF) Dura mater Conus medullaris Filum Terminale A B C D H (AC) E G (AB) F (AA) ____ ____ ____ ____ ____ ____ ____ ____ 56. 57. 58. 59. 60. 61. 62. 63. primary auditory cortex primary visual cortex visual association area primary somatosensory cortex gustatory cortex somatosensory association area auditory association area prefrontal cortex b a c d ____ ____ ____ ____ 64. 65. 66. 67. caudate mucleus thalamus Lentiform nucleus amygadloid nucleus A D B C ____ ____ ____ ____ 68. 69. 70. 71. gray matter central canal dorsal median fissure ventral media fissure a. Crainal Nerve IX- glossopharyngeal b. Cranial Nerve X- vagus ____ ____ ____ ____ 72. 73. 74. 75. c. Cranial Nerve- XI - spinal accessory d. Cranial Nerve- XII- hypoglossal In control of shoulder movements, turning movements of head, movements of viscera. In control of swallowing, secretion of saliva, blood pressure and respiration control In control of tongue movements. In control of movements of organs (mostly abdominal organs) supplied. A W B C V D U E F T S G R O Q N P M ____ 76. mammillary bodies ____ 77. central canal ____ 78. medulla H I J K L ____ ____ ____ ____ ____ ____ ____ ____ ____ ____ ____ ____ ____ ____ ____ ____ ____ ____ ____ ____ 79. 80. 81. 82. 83. 84. 85. 86. 87. 88. 89. 90. 91. 92. 93. 94. 95. 96. 97. 98. anterior commissure optic chiasma hypothalamus cerebral aqueduct pons 4th ventricle cerebellar penducles pineal body cerebellum lateral ventricle pituitary gland spinal cord corpora quadrigemina middle gray commissure cerebral peduncles thalamus fornix cerebrum posterior commissure corpus callosum anterior brainstem A B C D E F G ____ ____ ____ ____ ____ ____ 99. 100. 101. 102. 103. 104. optic chiasma olive of medulla oblongata infundibulum pons pyramid of medulla oblongata cerebral penducle ____ 105. mamillary bodies a. Pia mater b. Arachnoid c. Subarachnoid space ____ 106. The weblike, spidery middle meningeal layer. ____ 107. The innermost layer of the meninges, delicate, contains many blood vessels ____ 108. Normally, the cerebrospinal fluid flows freely from the ventricle, then into the ______. B A C D E F G ____ ____ ____ ____ ____ ____ ____ 109. 110. 111. 112. 113. 114. 115. Longitudinal fissure Insula (central lobe) parietal lobe temporal lobe occipital lobe limbic lobe frontal lobe A F B C D ____ ____ ____ ____ ____ ____ 116. 117. 118. 119. 120. 121. cerebellum Cerebrum medualla thalamus pons hypothalamus a. Corpus Callosum b. Commissure of the fornix c. Anterior Commissure ____ ____ ____ ____ ____ 122. 123. 124. 125. 126. 127. 128. 129. 130. d. Middle Commissure e. Posterior Commissure interconnects the old cortex with the thalamus connects right thalamus with left thalamus the largest commissure, interconnects most of the neocortex of the two hemispheres connects the anterior right thalamus with the anterior left thalamus connects the posterior right thalamus with the posterior left thalamus a. Cranial nerve V- trigeminal b. Cranial nerve VI abducens ____ ____ ____ ____ E chewing movements, sensations of head balance, hearing facial expression, secretion of saliva abduction of eye c. Cranial nerve VII facial d. Cranial nerve VIII acoustic E A B D C ____ ____ ____ ____ ____ 131. 132. 133. 134. 135. Midbrain Forebrain Hindbrain Diencephalon Brainstem posterior brainstem A B C D E ____ ____ ____ ____ ____ ____ 136. 137. 138. 139. 140. 141. cerebellar penduncles 4th ventricle corpora quadrigemina pineal body inferior colliculi superior colliculi F ADotted area e d b c ____ ____ ____ ____ ____ 142. 143. 144. 145. 146. Gnostic area Wernicke’s area Broca’s area Lateral and ventral parts of the temporal lobe Lateral prefrontal cortex a. Thalamus b. Prefrontal area c. Primary motor cortex d. Gnostic Area e. Hypothalamus ____ 147. This area is the main visceral control center of the body. ____ 148. This brain area associates experiences necessary for the production of abstract ideas, judgment, and conscience. ____ 149. The axons from this area form the major pyramidal tracts. ____ 150. A major relay station for sensory information ascending to primary sensory areas of the cerebral cortex. Contains many specialized nuclei. ____ 151. The site of reception and integration of information from sensory association areas to produce one common integrated thought. It is found in one hemisphere only. a. Wernicke’s area b. Broca’s area ____ ____ ____ ____ 152. 153. 154. 155. c. Lateral prefrontal cortex d. Lateral and ventral parts of the temporal lobe sounding out words speech production coordination of the auditory and visual aspects of language when naming objects or reading. involved in language comprehension and word analysis