303_Final_anaerobic

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itzlinds
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251975
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303_Final_anaerobic
Updated:
2013-12-12 17:18:56
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303 Final anaerobic
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303_final_anaerboic
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  1. Derrick and 3 of his friends are participating in an outdoor 3 on 3 BB tourney in early august.  during the tourney it is mostly sunny, temperature in the low to mid 90's and high humidity (approximately 70%). answer the following questions:

    under the environmental conditions, what is the primary means of thermoregulation:

    A. reduction
    B. evaporation
    C. radiation
    D. convection
    E. conduction
    B. evaporation
    (this multiple choice question has been scrambled)
  2. Derrick and 3 of his friends are participating in an outdoor 3 on 3 BB tourney in early august.  during the tourney it is mostly sunny, temperature in the low to mid 90's and high humidity (approximately 70%). answer the following questions:


    during the tourney Derrick suffers from muscle cramps. This may have occurred to because of:

    A. neuromuscular fatigue
    B. limited exposure to the heat
    C. increased sodium production
    D. lack of type IIx muscle fibers
    A. neuromuscular fatigue
    (this multiple choice question has been scrambled)
  3. Derrick and 3 of his friends are participating in an outdoor 3 on 3 BB tourney in early august.  during the tourney it is mostly sunny, temperature in the low to mid 90's and high humidity (approximately 70%). answer the following questions:

    due to the high heat and humidity one of derricks teammates is experiencing nausea, chills, and seems to be confused. at the medical tent they might diagnosis him with:

    A. heat exhaustion
    B. heat stroke
    C. heat cramps
    D. heat reaction
    B. heat stroke
    (this multiple choice question has been scrambled)
  4. Derrick and 3 of his friends are participating in an outdoor 3 on 3 BB tourney in early august.  during the tourney it is mostly sunny, temperature in the low to mid 90's and high humidity (approximately 70%). answer the following questions:


    which electrolyte do we lose the greatest amounts of in sweat?


    A. magnesium
    B. potassium
    C. chloride
    D. sodium
    D. sodium
    (this multiple choice question has been scrambled)
  5. Derrick and 3 of his friends are participating in an outdoor 3 on 3 BB tourney in early august.  during the tourney it is mostly sunny, temperature in the low to mid 90's and high humidity (approximately 70%). answer the following questions:


    what organ is responsible for keeping the core body temperature in a safe range?
    hypothalamus
  6. Derrick and 3 of his friends are participating in an outdoor 3 on 3 BB tourney in early august.  during the tourney it is mostly sunny, temperature in the low to mid 90's and high humidity (approximately 70%). answer the following questions:

    how much body mass would need to be lost before the players saw a decline in muscular endurance?
    3-4%
  7. Derrick and 3 of his friends are participating in an outdoor 3 on 3 BB tourney in early august.  during the tourney it is mostly sunny, temperature in the low to mid 90's and high humidity (approximately 70%). answer the following questions:


    Discuss the metabolic, cardiovascular, and thermoregulatory factors that might decrease performance with dehydration in a hot environment:
    • thermoregulation
    • increased core temperature
    • decreased sweat rate and skin blood flow

    • metabolic
    • decreased  VO2max
    • decreased lactate threshold
    • increased glycogen use at given intensity

    • cardiovascular
    • decreased plasma volume
    • decreased stroke volume
    • increased HR
    • decrease in overall cardiac output
  8. Jerry has been resistance training for the last 2 years. During this time he has discovered that you are an exercise scientist and was wondering if you would answer some questions for him.

    he noticed that it took a couple of months before his muscles got any bigger, but yet he got stronger right away, what adaption was the main cause for this?

    A. hyperplasia
    B. cardiovascular
    C. hypertrophy
    D. endocrine
    E. neurological
    E. neurological
    (this multiple choice question has been scrambled)
  9. Jerry has been resistance training for the last 2 years. During this time he has discovered that you are an exercise scientist and was wondering if you would answer some questions for him.

    Jerry is very interested in getting bigger. what must he change from his classic lifting routine of 5 sets and 5 reps for each exercise to enhance this?

    A. increase the rest intervals
    B. incorporate more aerobic work
    C. increased the velocity of movements
    D. increase the # of reps in each set
    D. increase the # of reps in each set
    (this multiple choice question has been scrambled)
  10. Jerry has been resistance training for the last 2 years. During this time he has discovered that you are an exercise scientist and was wondering if you would answer some questions for him.

    which of the following muscle fiber types will jerry likely not use while he is trying to increase his muscle size:

    A. I
    B. IIa
    C. IIc
    D. IIx
    D. IIx
    (this multiple choice question has been scrambled)
  11. Jerry has been resistance training for the last 2 years. During this time he has discovered that you are an exercise scientist and was wondering if you would answer some questions for him.

    jerry was told by someone that growth hormone helps with protein synthesis. what part of the body is this released from?

    A. hypothalamus
    B. thyroid gland
    C. anterior pituitary gland
    D. adrenal cortex
    C. anterior pituitary gland
    (this multiple choice question has been scrambled)
  12. Jerry has been resistance training for the last 2 years. During this time he has discovered that you are an exercise scientist and was wondering if you would answer some questions for him.

    if he slows down the lowering of the weight during his repetitions this will increased the time that his muscles are in which muscle action?
    eccentric
  13. Jerry has been resistance training for the last 2 years. During this time he has discovered that you are an exercise scientist and was wondering if you would answer some questions for him.

    during his training programs what is the major by product of his muscles?
    lactate or CO2
  14. Jerry has been resistance training for the last 2 years. During this time he has discovered that you are an exercise scientist and was wondering if you would answer some questions for him.

    Jerry is curious how muscles actually contract. explain this to jerry from a neuromuscular perspective:
    • dendrites receive the signals
    • travels to the axon hillock
    • fires
    • release ACh
    • ACh travels down the T tubles
    • to the sarcoplasmic reticulum
    • calcium is released
    • calcium binds to troponin
    • tropomyosis moves back
    • cross bridge is formed
  15. Jenna is an elite track athlete. Jenna's primary event is the 100 meter.  The 100 is an all out sprint event. She just completed the 100 at a track meet in a time of 12.5 seconds. answer the following questions about this scenario.

    what was the primary energy system that jenna used during the race?

    A. aerobic oxidative
    B. ATP-PCr
    C. anaerobic glycolysis
    D. protein phsophorylation
    B. atp-pcr
    (this multiple choice question has been scrambled)
  16. Jenna is an elite track athlete. Jenna's primary event is the 100 meter.  The 100 is an all out sprint event. She just completed the 100 at a track meet in a time of 12.5 seconds. answer the following questions about this scenario.

    what is her most likely RER during a race?

    A. .70
    B. .50
    C. .87
    D. 1.0
    D. 1.0  only carbohydrate (anaerobic)

    .70 is from fat only (triglycerides)
    (this multiple choice question has been scrambled)
  17. Jenna is an elite track athlete. Jenna's primary event is the 100 meter.  The 100 is an all out sprint event. She just completed the 100 at a track meet in a time of 12.5 seconds. answer the following questions about this scenario.

    what byproducts are created throughout her race?

    A. O2
    B. pyruvate
    C. CO2
    D. H20
    C. co2
    (this multiple choice question has been scrambled)
  18. Jenna is an elite track athlete. Jenna's primary event is the 100 meter.  The 100 is an all out sprint event. She just completed the 100 at a track meet in a time of 12.5 seconds. answer the following questions about this scenario.


    as an elite sprinter, what would you guess Jenna's body fat % to be?

    A. 22%
    B. 10%
    C. 6%
    D. 15%
    D. 15%
    (this multiple choice question has been scrambled)
  19. Jenna is an elite track athlete. Jenna's primary event is the 100 meter.  The 100 is an all out sprint event. She just completed the 100 at a track meet in a time of 12.5 seconds. answer the following questions about this scenario.

    if she were running a 400 m race, she would form atp from what energy system?
    anaerobic glycolysis
  20. Jenna is an elite track athlete. Jenna's primary event is the 100 meter.  The 100 is an all out sprint event. She just completed the 100 at a track meet in a time of 12.5 seconds. answer the following questions about this scenario.

    at the sound of the gun jenna's heart rate, respriation rate, and force of muscle contraction were increased by what horomone?
    epinephrine
  21. Jenna is an elite track athlete. Jenna's primary event is the 100 meter.  The 100 is an all out sprint event. She just completed the 100 at a track meet in a time of 12.5 seconds. answer the following questions about this scenario.


    weather can have an affect on the performance of athletes. Discuss whether Jenna would be more affected by an extremely cold or an extremely hot environment and why:
    • exterme cold
    • if you preform anaerboic activity, more likely to be influenced by cold
    • decreased neuromusclar activity
    • decreased force velocity
    • reduced force production
    • reduced nerve conduction veloicty
    • reduced power out put
    • decreased time to peak power
  22. discuss the factors contributing to energy production and fatigue in the following maximal effort performances:

    a. performance under 10 seconds:
    b. performances ranging from 10 - 180 seconds
    c. aerobic performance lasting 3-20 minutes
    d. aerobic performance lasting 20-60 minutes
    e. aerobic perforamce lasting 1-4 hours
    • a. performance under 10 seconds: ATP-PCr
    • limited supply in muscles, so fatigue.. also lack of o2 will cause fatigue
    • b. performance ranging from 10-180 seconds: anaerboic metabolism 40-90%, aerobic metabolism 10-60% H+ build up, decreased muscle pH causes fatigue
    • c. aerobic performances lasting 3-20 minutes: aerobic metabolism, ETC, krebs...training, environment, Vo2max, muscle fiber type (I) can effect preformance... muscle glycogen depletion, increased acidity, incrased H+, cause fatigue
    • d. aerobic  performance lasting 20-60 minutes: aerobic metabolism
    • e. aerobic performance lasting 1-4 hours: beta oxidation.. envrionment and hydration can have an affect.
  23. discuss the pros and cons of living at altitude and competing at sea level:
    • cons at altitude
    • cant train at same intensity
    • decreased Vo2max

    • pro at altitude
    • increased RBC concentration
  24. discuss lactate threshold, the primary energy source system it effects, the physiological mehcanisms affecting lactate threshold, and how to train to improve lactate threshold:
    • lactate threshold: lactate accumulation, increased H+
    • primary energy system: anaerboic glycosis

    • training
    • tempo training @ lactate threshold
    • interval training

    jogging (aerobic) then all out sprint (anaerobic)

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