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Nervous System Quiz 235 (20 MCQs)

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1. (Identify the type of muscle contraction described below as eccentric, concentric, both, or none. Answers may be used more than once.)Isotonic contraction is
2. The nervous system works with these two systems to direct behavior and movement.
3. After the threshold potential is achieved (-55mV) what happens
4. What is the equation to calculate time?
5. Combing your hair and lifting weights are both examples of which type of muscle movement?
6. A covering around the eye and under the eyelids.
7. This part of the PNS controls reflexes and voluntary actions.
8. When an impulse reaches the end of a neuron, it triggers the release of
9. The nervous system has 3 divisions
10. Branch of biology that deals with the nervous system
11. The Peripheral Nervous System is abbreviated as PNS
12. Spreading part
13. ..... are branches of the main cell body.
14. Becoming paralyzed as a result of a fall would damage which part of the nervous system?
15. How does myelin speed up an action potential
16. The central nervous system is made up of the:
17. What do mechanoreceptors in the body respond to?
18. If a neuron responds at all, it responds completely. This is known as the
19. Once a neuron is completely depolarized, it reaches a membrane potential of about ..... (known as the action potential)
20. Which part of the brain is responsible for conducting messages to other parts of the brain; for certain reflex actions including chewing, tasting, and saliva production.
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