NERVOUS SYSTEM - QUIZ 1. The nervous system is the centre of all mental activity including all the following except ________. A. thinking B. learning C. digesting D. memory 2. Like other systems in the body, the nervous system is composed of organs, principally the brain, spinal cord, nerves, and _______. A. ganglia B. axon C. neurons D. dura mater 3. Millions of sensory receptors detect changes, called ________, which occur inside and outside the body. A. neuron B. skin C. motor D. stimuli 4. The brain and spinal cord are the organs of the ________ . A. CNS B. PNS C. ANS D. CSF 5. There are ________ layers of meninges around the brain and spinal cord. A. one B. two C. three D. four 6. Each cerebral hemisphere is divided into ________ lobes, ________ of which have the same name as the bone over them. A. four, three B. three, two C. five, two D. five, four 7. The cerebellum, ________ portion of the brain, is located below the occipital lobes of the cerebrum. A. the largest B. the second largest C. the third largest D. the smallest 8. Like the brain, the spinal cord is surrounded by bone, meninges, and ________. A. cerebrospinal fluid B. white matter C. gray matter D. water 9. ________ contain only afferent fibers, long dendrites of sensory neurons. A. Cranial nerves B. Sensory nerves C. Motor nerves D. Mixed nerves 10. One of the three basic parts of a neuron is the ________. A. axon B. myelin C. pons D. dura mater Key: 1C 2A 3D 4A 5C 6D 7B 8A 9B 10A