Patient in renal failure develops hyperkalemia so that his extracellular [K+] increases from 4.5 mEq/L (normal) to 6.5 mEq/L. What will happen to the resisting membrane potential (RP) of his cardiac myocytes? a. it will depolarizeb. it will hyperpolarizec. there will be no change since K+ channels are freely permeabled. there will be no change since Na+ channels are closede. it will polarize
Patient in renal failure develops hyperkalemia so that his extracellular [K+] increases from 4.5 mEq/L (normal) to 6.5 mEq/L. What will happen to the resisting membrane potential (RP) of his cardiac myocytes? a. it will depolarizeb. it will hyperpolarizec. there will be no change since K+ channels are freely permeabled. there will be no change since Na+ channels are closede. it will polarize
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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Patient in renal failure develops hyperkalemia so that his extracellular [K+] increases from 4.5 mEq/L (normal) to 6.5 mEq/L. What will happen to the resisting membrane potential (RP) of his cardiac myocytes?
a. it will depolarize
b. it will hyperpolarize
c. there will be no change since K+ channels are freely permeable
d. there will be no change since Na+ channels are closed
e. it will polarize
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