2. Jaw muscle contraction (masseter spasm) is one of the key physical findings seen in David's case of malignant hyperthermia. Explain how calcium functions to cause contraction of a skeletal muscle cell. 3. Dr. Hodges notes that David's exhaled carbon dioxide levels are elevated. List all the metabolic pathways that function to synthesize ATP for skeletal muscle contraction. Which of these pathways produces carbon dioxide as a by-product? 4. Malignant hyperthermia causes a hypermetabolic state in skeletal muscle, which is triggered by high demands for ATP during uncontrolled muscle contractions. a. What is the role of ATP in cross bridge cycling? b. What is the role of ATP in generating a resting membrane potential? c. What is the role of ATP in maintaining calcium concentration gradients?
2. Jaw muscle contraction (masseter spasm) is one of the key physical findings seen in David's case of malignant hyperthermia. Explain how calcium functions to cause contraction of a skeletal muscle cell. 3. Dr. Hodges notes that David's exhaled carbon dioxide levels are elevated. List all the metabolic pathways that function to synthesize ATP for skeletal muscle contraction. Which of these pathways produces carbon dioxide as a by-product? 4. Malignant hyperthermia causes a hypermetabolic state in skeletal muscle, which is triggered by high demands for ATP during uncontrolled muscle contractions. a. What is the role of ATP in cross bridge cycling? b. What is the role of ATP in generating a resting membrane potential? c. What is the role of ATP in maintaining calcium concentration gradients?
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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