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Anatomy and Physiology Practice Test: The Nervous System and Nervous Tissue
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Anatomy and Physiology Practice Test: The Nervous System and Nervous Tissue
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25 Questions

1. Which of the following is not a chemical class of neurotransmitters?
2. Which of the following is not a function of astrocytes?
3. Which of the choices below describes the ANS?
4. A neuron that has as its primary function the job of connecting other neurons is called a(n) ________.
5. Select the correct statement regarding synapses.
6. Immediately after an action potential has peaked, which cellular gates open?
7. The period after an initial stimulus when a neuron is not sensitive to another stimulus is the ________.
8. Cell bodies of sensory neurons may be located in ganglia lying outside the central nervous system.
9. Neurons may be classified according to several characteristics. Which of the following is correct?
10. What are ciliated CNS neuroglia that play an active role in moving the cerebrospinal fluid called?
11. During depolarization, the inside of the neuronʹs membrane becomes less negative.
12. What is the role of acetylcholinesterase?
13. In myelinated axons the voltage-regulated sodium channels are concentrated at the nodes of Ranvier.
14. Enkephalins and endorphins are peptides that act like morphine.
15. Unipolar neurons have axons structurally divided into peripheral and central processes.
16. Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle?
17. The term central nervous system refers to the ________.
18. In what way does the interior surface of a cell membrane of a resting (nonconducting) neuron differ from the external environment? The interior is ________.
19. Collections of nerve cell bodies outside the central nervous system are called ________.
20. Efferent nerve fibers may be described as motor nerve fibers.
21. Saltatory conduction is made possible by ________.
22. An impulse from one nerve cell is communicated to another nerve cell via the ________.
23. Bipolar neurons are commonly ________.
24. The oligodendrocytes can myelinate several axons.
25. Which of the following is true about the movement of ions across excitable living membranes?