HW8 - Why would it be referred to as temporal summation?...

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BIOE 398BS: Quantitative Human Systems Physiology Spring 2008 Bioengineering, University of Illinois at Urbana-Champaign 1 Problem Set 8. Due Friday, March 28, 2008 at the beginning of class. Respiratory System Problems: 1. What is: A. hypoxia? B. hypercapnia 2. What is methemoglobin? How is exposure to carbon monoxide treated? 3. Consider the disease: acute interstitital pneumonia. Briefly describe the disease? What are some of the risk factors for developing the disease? How does it impact respiratory function? Muscular System Problems: 4. List in sequence the events involved in excitation-contraction coupling in skeletal muscle contraction and relaxation, and include the role of all the membranes involved. 5. What is tetanus?
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Unformatted text preview: Why would it be referred to as temporal summation? Why is the force generated by a twitch so much smaller than that generated during tetany? 6. What makes fast-twitch motor units stronger than slow twitch motor units? 7. Describe the reflex arcs provided by muscle spindles and Golgi tendon organs. 8. What is oxygen debt in muscles and how is it resolved? 9. Describe the factors that lead to muscle fatigue. Why must the cause of muscle fatigue not be the depletion of ATP? 10. Compare the force-generating capacities and maximal shortening velocities of hypothetical muscles consisting of (1) one cell with 50 sarcomeres in series vs. (2) two cells in parallel with 25 sarcomeres in series each....
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