19. What are the effects on myocardial cells when extracellular concentrations of K+ is increased: a. initially b. after a prolonged period of time ringers

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
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19. What are the effects on myocardial cells when extracellular concentrations of K+ is
increased:
a. initially
b. after a prolonged period of time
higher concentras
than nomal
20. Predict and explain the effects of 1% CaCl2 Ringer's solution on an in situ preparation of a
frog heart.
21. With respect to heart rate and cardiac muscle tension, describe the mechanisms that mediate
the effects of:
a.
warm temperatures
b. cold temperatures
sou bay
Transcribed Image Text:19. What are the effects on myocardial cells when extracellular concentrations of K+ is increased: a. initially b. after a prolonged period of time higher concentras than nomal 20. Predict and explain the effects of 1% CaCl2 Ringer's solution on an in situ preparation of a frog heart. 21. With respect to heart rate and cardiac muscle tension, describe the mechanisms that mediate the effects of: a. warm temperatures b. cold temperatures sou bay
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