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A B -60mV -90mV -70mk Refer to the figure of 3 action potentials. The spike height of this/these action potential(s) would depend on the concentration of extracellular sodium. A and B A only B only Conly B and C

A B -60mV -90mV -70mk Refer to the figure of 3 action potentials. The spike height of this/these action potential(s) would depend on the concentration of extracellular sodium. A and B A only B only Conly B and C

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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**Action Potentials and Extracellular Sodium Concentration** This image presents a figure of three action potential graphs labeled A, B, and C, each showcasing different resting membrane potentials: - **A:** Resting at -60 mV - **B:** Resting at -90 mV - **C:** Resting at -70 mV The question accompanying the figure is: *The spike height of this/these action potential(s) would depend on the concentration of extracellular sodium.* Options provided are: - A and B - A only - B only - C only - B and C This question is designed to test the understanding of how sodium ion concentration affects the characteristics of neuronal action potentials, particularly the spike height which is crucial for nerve signal transmission.
Transcribed Image Text:**Action Potentials and Extracellular Sodium Concentration** This image presents a figure of three action potential graphs labeled A, B, and C, each showcasing different resting membrane potentials: - **A:** Resting at -60 mV - **B:** Resting at -90 mV - **C:** Resting at -70 mV The question accompanying the figure is: *The spike height of this/these action potential(s) would depend on the concentration of extracellular sodium.* Options provided are: - A and B - A only - B only - C only - B and C This question is designed to test the understanding of how sodium ion concentration affects the characteristics of neuronal action potentials, particularly the spike height which is crucial for nerve signal transmission.
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