Let’s examine a neural pathway that involved three (3) neurons in sequence: one propagates an action potential from threshold stimulus of receptor to spinal cord; second propagates action potential superiorly to brain stem; and third propagates action potential from brain stem to part of cerebral cortex involved in perceiving the stimulus. Which of the following is correct classification of these neurons: a. all three are presynaptic b. first is presynaptic, other two are postsynaptic c. first and second are presynaptic, third is postsynaptic d. first and second are presynaptic, second and third are postsynaptic e. all three are postsynaptic
Let’s examine a neural pathway that involved three (3) neurons in sequence: one propagates an action potential from threshold stimulus of receptor to spinal cord; second propagates action potential superiorly to brain stem; and third propagates action potential from brain stem to part of cerebral cortex involved in perceiving the stimulus. Which of the following is correct classification of these neurons: a. all three are presynaptic b. first is presynaptic, other two are postsynaptic c. first and second are presynaptic, third is postsynaptic d. first and second are presynaptic, second and third are postsynaptic e. all three are postsynaptic
Human Physiology: From Cells to Systems (MindTap Course List)
9th Edition
ISBN:9781285866932
Author:Lauralee Sherwood
Publisher:Lauralee Sherwood
Chapter4: Principles Of Neural And Hormonal Communication
Section: Chapter Questions
Problem 3TAHL
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Let’s examine a neural pathway that involved three (3) neurons in sequence: one propagates an action potential from threshold stimulus of receptor to spinal cord; second propagates action potential superiorly to brain stem; and third propagates action potential from brain stem to part of cerebral cortex involved in perceiving the stimulus. Which of the following is correct classification of these neurons:
a. all three are presynaptic
b. first is presynaptic, other two are postsynaptic
c. first and second are presynaptic, third is postsynaptic
d. first and second are presynaptic, second and third are postsynaptic
e. all three are postsynaptic
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