Lab 1

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School

York University *

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Course

3012

Subject

Health Science

Date

Oct 30, 2023

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pdf

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2

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QUESTIONS Part I: Measurement of Lung Volumes and Capacities 1. What do you think happens to V T , ERV, IRV and TLC during exercise? 2. Using the illustration in Figure 2, make the following calculations. If: VC = 4500 ml IRV = 2700 ml V T = 600 ml ERV = ________ If: TLC = 6300 ml IC = 2000 ml RV = 1800 ml ERV = _______ VC = _______ 3. What factors do you think contribute to the differences in pulmonary parameters observed between the different subjects in your lab? 20 UT would increased . ERW decreases 1 decreases Th · es : charge . V = ERU +UT +ERV 1200m - vC+RV = 6300 - 1800 ~100 ut 4800m I = Ur + In TLC = 12 + ERNAR · Respiratory conditions mate femte parameter see Age · Lifestyle habits .
Part II: Pulmonary Function Tests 1. Distinguish between obstructive and restrictive pulmonary diseases. How would you tell whether a person is afflicted with either of these conditions? Did the values you measured for the normal, obstructive, and restrictive trials conform to the differences you expected? Part III: Ventilation During Exercise 1. A subject performs cycle ergometer exercise with the resistance set to 2.5 kg. Assuming distance = 6 m/rev, what pedalling frequency must the subject maintain to keep the power output at a constant 960 kgm/min throughout the exercise? 2. Do you think that ventilation becomes a limiting factor during exercise in healthy individuals? Explain. 21 Someone with restrictive would have forer lung capacity . Obstructive diseases world cause lower tifel -dune - resistance distance Frequen output F f - - 60 = 2 . smgy bor + is res . Sic a - 64 ~a line No V matches metabolism . · other limitations . rusche oxygen upterte · Lardice upt : On muscle metabolism · memoglobin uptake Capillary to muscle fibre natio
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