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  1. #1
    Roxanita is offline Senior Member
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    miscellaneous q1 N*

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    During a marathon, a 28-year-old woman initially has pain and distress but suddenly feels exhilaration about halfway through the race. The best explanation is most likely to be increased release of

    A) ACTH
    B) β-endorphin
    C) epinephrine
    D) glucagon
    E) somatostatin

  2. #2
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    Asclepius1 is offline Ultimate Member 537 points
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    Re: miscellaneous q1 N*

    Quote Originally Posted by Roxanita
    During a marathon, a 28-year-old woman initially has pain and distress but suddenly feels exhilaration about halfway through the race. The best explanation is most likely to be increased release of

    A) ACTH
    B) β-endorphin
    C) epinephrine
    D) glucagon
    E) somatostatin
    It sounds like he got high on crack. My guess is B. Beta endorphin.

  3. #3
    Roxanita is offline Senior Member
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    hi

    Endorphins

    Because they are naturally produced by the body, endorphins are possibly the best (and most legal way) to achieve a natural "high". Chemically speaking, endorphins are polypeptides, which able to bind to the Neuro-Receptors in the Brain to give relief from PAIN...They are one reason why soldiers wounded in battle can continue to fight or have the strength to save someone else; it also accounts for the so called "Runner's High" or why some people are drawn to dangerous activities like: car racing, sky diving and bungee jumping.

    Q: What do they do?
    A: Although more research needs to be done, endorphins are believed to produce four key effects on the bodymind: they enhance the immune system, they relieve pain, they reduce stress, and postpone the aging process. Scientists also have found that beta-endorphins can activate human NK (Natural Killer) cells and boost the immune system against
    diseases and kill cancer cells.


    Q: Are endorphins related to the famous "runner's high"?
    A: In contrast to short-intensity workouts like sprinting
    or weightlifting, prolonged, continuous exercise like running, long-distance
    swimming, aerobics, cycling or cross-country skiing appears to contribute
    to an increased production and release of endorphins. This results in a
    sense of euphoria that has been popularly labeled the "runner's high."
    It also may contribute to what some athletes call a "second
    wind". Rather than feeling pain and exhaustion while running, endorphins
    may help us actually feel limber and energized towards the end of a race.
    According to William Straw, M.D., a team physician for the San Jose Sharks,
    "at some point you may feel a little more energetic and you can kick-in
    when you did not feel like you could kick-in before."


  4. #4
    sensor78 is offline Junior Member
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    B

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