Chapter 11 review

1. The central nervous system is composed of?

Brain and spinal cord

9. During this process, influx of ____ cause vesicles in the axon bulb to fuse with the cell membrane, releasing ____________.

Ca2+, neurotransmitters

22. Insufficient production of acetylcholine in the synapses of the brain, abnormal tangled neurons, and large deposits of beta amyloid are problems associated with what disease?

alzheimers disease

21. Preganglionic motor neurons of the _________ division of the nervous system originate in the thoracic and lumbar regions of the spinal cord.

autonomic

3. Axons branch into axon terminals, which have _______ located at the terminal ends.

axon bulb

7. What occurs during the absolute refractory period to a neuron?

axon cant generate another action potential

16. Region of brain the coordinates antagonistic muscle movements?

cerebellum

13. Saltatory conduction is?

derp

12. The central nervous system is enclosed by membranes or meniges called the?

dura matter, arachnoid, and pia matter

17. The three main anatomical and functional divisions of the brain are the?

hind brain, midbrain, and forebrain

10. From an evolutionary standpoint, this structure is considered the oldest, most primitive division of the brain.

hindbrain

20. Regulation of the production of breast milk, carbohydrate metabolism, and temperature control are some of the functions of the?

hypothalumus

2. Electrical impulses are transmitted between components of the central nervous system via?

interneurons

18. The reticular formation is associated with?

medulla oblongata, pons, and mid brain

11. Cells that provide direct protection and physical support to neurons are?

neurological cell

4. Oligodendrocytes are similar to Schwann cells in that they are a?

neurological cell

19. The left and right sides of the cerebrum are interconnected by the?

porpose callosum

15. Excitatory neurotransmitters encourage the generation of new electrical impulses by stimulating?

postsynaptic neuron

8. During repolarization of a neuron what happens?

potassium moves out of an axon

6. During what phase of an action potential do the sodium channels close and potassium channels open, releasing potassium from the neuron?

repolarization

5. Amyotrophic lateral sclerosis (ALS) is a disease that results from nerve damage in the?

spinal cord

14. During a brain surgery, the surgeon passes an instrument through the dura mater. What part does he pass through next?

subdural space, the arachnoid