303_final_aerobic

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itzlinds
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252721
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303_final_aerobic
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2013-12-12 17:25:00
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303 final aerobic
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303_final_aerobic
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  1. you become inspried by all the knowledge you have gained during the HSC 303 course and decide to start a running program.

    during the 1st seconds of your running session, what energy system produces the most of the energy?

    A. ATP-PCr
    B. aerbic glyocolysis
    C. oxidative
    D. anaerobic glycolysis
    A. ATP-PCr
    (this multiple choice question has been scrambled)
  2. you become inspried by all the knowledge you have gained during the HSC 303 course and decide to start a running program.

    during the start of your running session, what is the arguable the most important muscle?

    A. iliopsoas
    B. quadriceps
    C. abdomen
    D. diaphragm
    D. diagphragm
    (this multiple choice question has been scrambled)
  3. you become inspried by all the knowledge you have gained during the HSC 303 course and decide to start a running program.

    you notice a difference in your performance based on the time of day that you run. this is referred to as:

    a. light-dark cycle
    b. circadian rhythms
    c. feedback loop
    d. pracrine signaling
    circadian rhythms
  4. you become inspried by all the knowledge you have gained during the HSC 303 course and decide to start a running program.

    where does your primary source of energy come from during your running sessions?

    A. the cori cycle
    B. electron transport chain
    C. liver
    D. glycolysis
    B. electron transport chain
    (this multiple choice question has been scrambled)
  5. you become inspried by all the knowledge you have gained during the HSC 303 course and decide to start a running program.

    during the ECG while you are running what wave represents ventricle repolarization?
    T wave
  6. what has to be released in order for your muscles to become active?
    troponin, but frist ACh
  7. you become inspried by all the knowledge you have gained during the HSC 303 course and decide to start a running program.

    why when you stop running does it take a while for your breathing to return to normal:
    post exercise oxygen consumption

    repay oxygen debt: oxygen taken in above resting values after exercise

    O2 becomes available, binds to H+ ions and clears lactate

    how long till all physicolgical systems return to normal? 24 hrs

    how long till intramuscular PCr and ATP are restored? 2-3 minutes

  8. you are working with a high school track team in savannah, georgia. answer the following questions based off this scenario.

    during tomorrow mornings practice, it is predicted to be 97 degrees with 85% humidity. who is at greater risk for heat illness?

    A. 400m runners
    B. 100m runners
    C. throwers
    D. hurdlers
    C. throwers (more body mass)
    (this multiple choice question has been scrambled)
  9. you are working with a high school track team in savannah, georgia. answer the following questions based off this scenario.

    you have a new transfer student from duluth minnesota. Prior to starting intense workout, how long should you allow the new student to acclimatize to the weather?

    A. 30 Days
    B. 14 days
    C. 10 days
    D. 3 days
    B. 14 days
    (this multiple choice question has been scrambled)
  10. you are working with a high school track team in savannah, georgia. answer the following questions based off this scenario.

    which of the following is NOT a method to improve performance in the heat?

    a. proper acclimation
     b. hydration
    c. proper acclimatization
    d. use of hyperbaric chambers
  11. d. use of hyperbaric chambers
  12. you are working with a high school track team in savannah, georgia. answer the following questions based off this scenario.

    you have an athlete that cramps up after 45 mintues of practice. this is most likely a result of

    a. heat stroke
    b. heat exhaustion
    c. dehydration
    d. syncope
    dehydration
  13. you are working with a high school track team in savannah, georgia. answer the following questions based off this scenario.

    what are the differences in plasma volmes, heart rate, and body core temperature between the georgia athletes and the MN studend:
    • plasma
    • increased  in georgia studens

    • HR
    • decreased in geogia studtens

    • body temp
    • decreased in georgia
  14. you are working with a high school track team in savannah, georgia. answer the following questions based off this scenario.

    which event will likely see slower times due to the heat: 200m, or 800 meter?
    800 m
  15. you are working with a high school track team in savannah, georgia. answer the following questions based off this scenario.

    explain the proper protocol and procedures for various levels of heat illness:
  16. susan is a 35 y/o Female who began an exercise program 6 months ago in which she has been running on the treadmill 4/week.  answer the following questions based off of this scenario.

    susan notices she can fun for a longer peroid of time at the same intensity. what is one likely reason for this.

    A. increased cardiac output
    B. decreased partial pressure of oxygen in the blood
    C. increased lactate threshold
    D. decreased capillary density
    C. increased lactate threshold
    (this multiple choice question has been scrambled)
  17. susan is a 35 y/o Female who began an exercise program 6 months ago in which she has been running on the treadmill 4/week.  answer the following questions based off of this scenario.

    which of the following would NOT provide a benefit for susan's running performance if taken before a 10k race.

    A. EPO
    B. caffeine
    C. ephedra
    D. human growth hormone
    D. human growht hormone
    (this multiple choice question has been scrambled)
  18. susan is a 35 y/o Female who began an exercise program 6 months ago in which she has been running on the treadmill 4/week.  answer the following questions based off of this scenario.

    what happens to plasma cortisol levels if susan is exercising at 70% vo2max?

    A. increased
    B. no change
    C. decreased
    A. increased  increases at 60% vo2max
    (this multiple choice question has been scrambled)
  19. susan is a 35 y/o Female who began an exercise program 6 months ago in which she has been running on the treadmill 4/week.  answer the following questions based off of this scenario.

    approximately how many ATP are produced via one 16 chain fatty acid?

    a. 39
    b. 387
    c. 129
    d. 38
    c . 129



    • 39 is a glycogen
    • 387 is a triglyceride
    • 38 is a glucose
  20. susan is a 35 y/o Female who began an exercise program 6 months ago in which she has been running on the treadmill 4/week.  answer the following questions based off of this scenario.

    susan has noticed that her resting heart rate has dropped due to her training. what are the likely changes she has seen in resting cardiac output?
    No change - because of increased stroke volume
  21. susan is a 35 y/o Female who began an exercise program 6 months ago in which she has been running on the treadmill 4/week.  answer the following questions based off of this scenario.

    after six months of training what adaptations would be seen in susan's heart?
    increased size in L ventricle wall
  22. susan is a 35 y/o Female who began an exercise program 6 months ago in which she has been running on the treadmill 4/week.  answer the following questions based off of this scenario.

    she is now planning on running a half marathon. Design a training program to help her increase her lactate threshold, allowing her to finish the race under 2 hours.
    tempo training- increase lactate threshold and structure accordingly
  23. discuss the likely causes for msucle fatigue during exercise.
    • o2 deficit
    • if you dont have o2, you wont have glycolysis
    • no glycolysis, no aerobic metabolism

    • lactate build up
    • increased H+ ions
    • increased acidity
    • decreased neuromuscular activity

    • in muscles
    • decreased Ca2++ release in SR, so less muscle contraction.
    • depletion of muscle glycogen
  24. compare and contrast the neuromuscular adaptions to resistance training and aerobic training:

    muscular strength:
    muscular power:
    aerobic capacity:
    motor unit recruitment:
    fiber size:
    capillary density:
    mitochondral density:
    • resistance
    • strength: increased
    • power: increased
    • aerobic capacity: no change
    • motor unit recruitment: increased
    • fiber size: increased
    • capillary density: no change
    • mitochondral: decreased

    • aerobic
    • strength: no change
    • power: no change
    • aerobic: increased
    • motor unit recruitment: no change
    • fiber size: no change
    • capillary density: increased
    • mitochondral: increased
  25. discuss the cardiovascular adaptions that take place with prolonged endurance training and how these factors might influence VO2max
    • increased L ventricle wall
    • increased stroke volume
    • decreased HR
    • increased blood plamsa
    • increased O2 to skeletal muscles

    more blood flow, so all of these will increase peak  vo2

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