6 Written Questions

1. gathered info, from stimuli
2. glia that wrap their flat extensions tightly around the nerve fibers, producing fatty insulating coverings called myelin sheaths
3. form the myelin sheaths around nerve fibers that are found in the PNS.
4. efects a response by activating muscles or glands (effectors)
5. act as protective, cushioning cells
6. consists of nerves that convey impluses to the central nervous system from sensory receptors

5 Multiple Choice Questions

1. consists of brain and spinal cord,which occupy the dorsal body cavity and act as the integrating and command centers of the nervous system.
   1. somatic nervous system
   2. central nervous system (CNS)
   3. peripheral nervous system (PNS)
   4. autonomic nervous system (ANS)
2. processes and interprets sensory input and decides what should be done at eah moment
   1. astrocytes
   2. microglia
   3. integration
   4. neuroglia
3. regulates events that are automatic, or involuntary
   1. autonomic nervous system (ANS)
   2. central nervous system (CNS)
   3. peripheral nervous system (PNS)
   4. somatic nervous system
4. glial cells line the central cavities of the brain and spinal cord, the beating of their cilia helps ciculate the cerebrospinal fluid
   1. Schwann cells
   2. sensory input
   3. ependymal cells
   4. Satellite cells
5. part of the nervous system outside the CNS, consists mainly of nerves that extend from brain and spinal cord
   1. peripheral nervous system (PNS)
   2. central nervous system (CNS)
   3. somatic nervous system
   4. autonomic nervous system (ANS)

5 True/False Questions

1. astrocytes → nerve glue, includes many tyes of cells that generally support, insulate and protect the delicate neurons

   True        False

2. neuroglia → spiderlike phagocytes that dispose of debris, including dead brain cells and bacteria

   True        False

3. somatic nervous system → regulates events that are automatic, or involuntary

   True        False

4. microglia → spiderlike phagocytes that dispose of debris, including dead brain cells and bacteria

   True        False

5. motor or efferent division → carries impulses from the CNS to effector organs, the muscles and glands

   True        False