Quiz: Introduction to the Nervous System

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