Name_________________________ Quiz #3 - The Spinal Cord ______1. In the adult, the spinal cord runs through the vertebral canal from the foramen magnum of the skull to the level of a) the vertebra prominens. b) vertebra T7 or T8. c) vertebra L1 or L2. d) the superior sacrum. ______2. The spinal cord is protected by all of the following a) the meninges. b) the cerebrospinal fluid. c) bone. d) all of the above. ______3. The outermost layer of the meninges is the a) dura mater. b) arachnoid mater. c) pia mater. d) alma mater. ______4. At its inferior end, the spinal cord tapers into the a) conus barbarious. b) conus medullaris. c) conus terminale. d) ligamentum flavum. ______5. The interior of the spinal cord is composed of a) synovial fluid. b) gray matter. c) ganglia. d) cauda elasticum. ______6. ______ spinal nerve pairs arise from the spinal cord. a) 31 b) 26 c) 33 4) 12 ______7. The spinal cord acts as a a) sensory receptor. b) reflex center. c) motorola. d) memory center. ______8. The dorsal ramus of a spinal nerve contains ________. a) both afferent and efferent fibers. b) only afferent fibers. c) only efferent fibers. d) only myelinated fibers. ______9. The collection of nerve roots at the inferior end of the vertebral canal is called the a) cranial aquina b) caudal mater c) gray matter d) cauda equina ______10. The ventral groove of the spinal cord is the a) posterior median sulcus. b) groove of Magellan. c) anterior median fissure. d) coronal sulcus. ______11. The spinal nerves lie in the a) transverse foramen of the cervical vertebrae. b) intervertebral foramina. c) dire straits. d) intervertebral discs. ______12. All of the following are part of the spinal cord EXCEPT a) posterior horns. b) anterior horns. c) lateral horns. d) dorsal fimbrae. ______13. Which of the following is true of the epidural space? a) It contains fat. b) It is filled with mucous. c) It contains Clinton nodes. d) It is not found in the adult human. _______14. The spinal cord shows obvious enlargements called the cervical and _______ enlargements. a) lumbar b) coccygeal c) thoracic d) sacral ______15. Destruction of anterior horn cells of the spinal cord results in loss of a) intelligence b) motor control c) memory d) sight ______16. In the newborn, the spinal cord runs through the vertebral canal from the foramen magnum of the skull to the level of a) the L3. b) vertebra T7 or T8. c) vertebra L1 or L2. d) the superior sacrum. ______17. The spinal cord is anchored in the vertebral canal by the a) cauda equina b) filum terminale c) ligamentum terminale d) coccygeal filum ______18. The white matter of the spinal cord has ascending tracts for the transmission of ________ information to the brain. a) voluntary motor b) involuntary motor c) sensory d) sympathetic ______19. The cerebrospinal fluid or CSF is found is the ________ space. a) subdural b) epidural c) subpial d) subarachnoid ______20. The dorsal roots contain ________ nerve fibers. a) motor b) sensory c) both sensory and motor d) neither sensory nor motor Bonus: 1. The white matter of the spinal cord is arranged into columns called the ______________________________, ___________________________, and ______________________________. 2. Cauda equina means __________________________________________.