13. State the channels involved in an action potential in cardiac AUTORHYTHMIC cells, which ion moves across the channel, which direction each ion moves across the channel when the channel opens, the approximate membrane potential at which the channel is fully open. 1. 2. 3. 4. Channel lon? Influx or Efflux? Membrane Potential at which channel opens or is fully open (mv)

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
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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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2.A.
1.
2.
3.
4.
||||
ential (mv)
13. State the channels involved in an action potential in cardiac AUTORHYTHMIC cells,
which ion moves across the channel, which direction each ion moves across the
channel when the channel opens, the approximate membrane potential at which the
channel is fully open.
+20
!!|
CE - |
Channel
AaBbCcDdEe AaBbCcD. AaBBCEDE Aal
Emphasis
Heading 1
Normal
lon?
Influx or Efflux?
14. Define the term pacemaker potential (=drifting potential) and be able to identify it
when given a graph of an action potential in an autorhythmic cell such as the one
below.
I
Membrane Potential at which
channel opens or is fully open (mv)
Transcribed Image Text:2.A. 1. 2. 3. 4. |||| ential (mv) 13. State the channels involved in an action potential in cardiac AUTORHYTHMIC cells, which ion moves across the channel, which direction each ion moves across the channel when the channel opens, the approximate membrane potential at which the channel is fully open. +20 !!| CE - | Channel AaBbCcDdEe AaBbCcD. AaBBCEDE Aal Emphasis Heading 1 Normal lon? Influx or Efflux? 14. Define the term pacemaker potential (=drifting potential) and be able to identify it when given a graph of an action potential in an autorhythmic cell such as the one below. I Membrane Potential at which channel opens or is fully open (mv)
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