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The Nervous System at the Cellular Level Chapter Exam

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Page 1

Question 1 1. The nervous system has three MAIN functions, including, collecting sensory information, processing and interpreting sensory information, and _____.

Question 2 2. Motor neurons are most similar to the _____.

Question 3 3. The fight-or-flight response is stimulated by the _____.

Question 4 4. When the dendrite is in its resting state (i.e. the inside of the cell has a net negative charge and the outside of the cell has a net positive charge), its membrane is _____.

Question 5 5. Rapid deactivation of _____ is generally viewed positively, as one is typically desensitized to rubs of clothing and other light contacts with the skin.

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Question 6 6. Describe the difference in roles between afferent and efferent neurons in the central nervous system.

Question 7 7. What is the maintenance of a stable internal environment within an organism commonly called?

Question 8 8. Proprioceptors include _____.

Question 9 9. Sensory neurons are the part of the nervous system that would relay WHAT type of signals?

Question 10 10. WHICH of the following bodily reactions is a signal that your sympathetic nervous system has been activated?

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Question 11 11. Why is it so important that our bodies have Schwann cells?

Question 12 12. Neurons and glial are the two types of cells found in the _____ system?

Question 13 13. WHAT function are proprioceptors responsible for?

Question 14 14. The myelin sheath is part of the axon in the peripheral nervous system that aids in rapid information transfer, and if damaged, is associated with WHAT disease?

Question 15 15. A man is standing outdoor and feels a sudden chill. He notices the hair raising on his arms. Why do the hairs on a people's arms raise?

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Question 16 16. Sensory neurons are most similar to the _____.

Question 17 17. When an output of a process inhibits the production of a substance which led to the original output we terms this _____.

Question 18 18. WHAT is the name for the non-neuronal cells that form myelin, provide nutrients like oxygen to neurons, and promote a general support structure for neurons?

Question 19 19. Axons and dendrites form the major signaling capabilities for WHAT types of cells?

Question 20 20. Why might it make sense for a very high functioning brain to actually have LESS neurons but MORE neuroglia cells?

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Question 21 21. An electric impulse involving a change in voltage across a plasma membrane is best known as a(n) _____.

Question 22 22. Which of the following functions is controlled by the autonomic nervous system?

Question 23 23. Neurons send _____ waves along axons, releasing neurotransmitters at junctions called synapses.

Question 24 24. Which of the following would NOT be a reason why the shape of astrocytes would increase their functionality?

Question 25 25. An example of positive feedback would be WHICH of the following items?

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Question 26 26. Which of the following effects are mediated by the parasympathetic nervous system?

Question 27 27. Microglia are most similar to _____.

Question 28 28. How do thermoreceptors differ from other sensory neurons?

Question 29 29. In ectotherms, what controls body temperature?

Question 30 30. Maintenance of a stable internal environment within the body BEST describes WHAT term?

The Nervous System at the Cellular Level Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next question. You can skip questions if you would like and come back to them later with the "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. You will lose your work if you close or refresh this page. Good luck!

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