Hello, May I get help with this physiology question? Scenario: Lauren B. has been training to run a marathon (26.2 miles). She tells you that she is planning on drinking a bunch of creatine phosphate the night before the big race. She earnestly explains that she saw an advertisement on YouTube that said that drinking extra creatine phosphate will help provide her cross-bridges with enough ATP to get her over the finish line. You tell her that might not be the best strategy, and she asks why. You explain to Lauren that:

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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Hello, May I get help with this physiology question? Scenario: Lauren B. has been training to run a marathon (26.2 miles). She tells you that she is planning on drinking a bunch of creatine phosphate the night before the big race. She earnestly explains that she saw an advertisement on YouTube that said that drinking extra creatine phosphate will help provide her cross-bridges with enough ATP to get her over the finish line. You tell her that might not be the best strategy, and she asks why. You explain to Lauren that:
Oxidative phosphorylation
is the sole source of ATP
during long-distance
running
Yes
Creatine phosphate gets
used first and cannot
sustain long duration
activity
ATP from creatine
phosphate will enable
more Ca2+ to be pumped
out from her sarcomeres
and she won't be able to
generate enough
contractions
The slow-oxidative fibers
necessary for marathon
running use primarily
anaerobic glycolysis
anyways
Transcribed Image Text:Oxidative phosphorylation is the sole source of ATP during long-distance running Yes Creatine phosphate gets used first and cannot sustain long duration activity ATP from creatine phosphate will enable more Ca2+ to be pumped out from her sarcomeres and she won't be able to generate enough contractions The slow-oxidative fibers necessary for marathon running use primarily anaerobic glycolysis anyways
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