Question 2: Action potentials 1. Aneuron is isolated and placed in a bath of normal ECF solution. The initial segment of the axon is depolarized to threshold by a stimulus (blue arrow (AP) is generated as shown in the diagram below. ) and a normal action potential A. Leak Na+ channels are open B. Leak K+ channels are open C. V-gated Na+ channels are open D. V-gated Na+ channels are inactive E. V-gated K+ channels are open 2 1. 1 4 5 Match the labels on the graph (1-5) with the TRUE statements from choices A-E. It is possible that more than 1 letter choice may be a true statement at each label. List all TRUE statements for each label. At label 1: At label 2: At label 3: At label 4: At label 5:
Question 2: Action potentials 1. Aneuron is isolated and placed in a bath of normal ECF solution. The initial segment of the axon is depolarized to threshold by a stimulus (blue arrow (AP) is generated as shown in the diagram below. ) and a normal action potential A. Leak Na+ channels are open B. Leak K+ channels are open C. V-gated Na+ channels are open D. V-gated Na+ channels are inactive E. V-gated K+ channels are open 2 1. 1 4 5 Match the labels on the graph (1-5) with the TRUE statements from choices A-E. It is possible that more than 1 letter choice may be a true statement at each label. List all TRUE statements for each label. At label 1: At label 2: At label 3: At label 4: At label 5:
Chapter27: Medications That Affect The Nervous System
Section: Chapter Questions
Problem 23RQ
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