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Nervous System Quiz 474 (20 MCQs)

Quiz Instructions

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1. In order for a neuron to have an action potential, the neuron must receive more
2. A calloused body
3. If someone suffered a stroke which interfered with their ability to speak, we would assume it affected
4. When a neuron is at rest, what ion is outside the cell membrane?
5. Which level of the nervous system is responsible for "fight or flight" reactions?
6. The outermost layer of skin .....
7. What spinal cord cosists of?
8. Which part of the brain controls emotion, water balance and sleep?
9. Which division of the nervous system contains nerve fibers that carry impulses away from the central nervous system to effector organs?
10. Motor Neurons are a part of the .....
11. THE BRAIN AND THE SPINAL CHORD MAKE UP THE ..... NERVOUS SYSTEM
12. A sensory ..... is any structure specialized to detect a stimulus.
13. What do humans need to breathe in from the air?
14. Can not see things far away without corrective lenses.
15. What is another name for the cell body of a neuron?
16. Point of contact at which impulses are passed from one cell to another
17. Label 21
18. What is the relationship between the electrical potential at the nerve cell membrane? (Sec. 51) A. Movement of action potentials-nerve impulses B. Resting cell membrane potential-Sodium potassium pump c. Depolarization-Potassium channels open d. Repolarization-Sodium channels open.
19. Which of the following options contains two structures found in the peripheral nervous system?
20. An organelle that forms a maze of passageways in which proteins and other materials are carried from one part of the cell to another
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