Weight Loss And Sports Supplements

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Fitnesstrainingc
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Quizzes Created: 5 | Total Attempts: 29,121
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Weight Loss And Sports Supplements - Quiz


Questions and Answers
  • 1. 

    What should healthcare professionals consider when evaluating dietary supplements for athletes?

    • A.

      Safety and effectiveness

    • B.

      Quality

    • C.

      Possibility of doping

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    Healthcare professionals should consider safety and effectiveness, quality, and the possibility of doping when evaluating dietary supplements for athletes. Safety and effectiveness are important factors to ensure that the supplements will not cause harm to the athletes and that they will actually provide the intended benefits. Quality is crucial to ensure that the supplements are made with high-quality ingredients and meet the necessary standards. The possibility of doping is important to consider to ensure that the supplements do not contain any banned substances that could lead to disqualification or negative health effects for the athletes. Considering all of these factors is necessary to make informed decisions about dietary supplements for athletes.

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  • 2. 

    Which of the following statements about whey protein is TRUE?  

    • A.

      Whey promotes a rapid rise in serum amino acid levels.

    • B.

      Whey has a high content of the essential amino acid leucine.

    • C.

      Whey is slowly digested.

    • D.

      A and B

    Correct Answer
    D. A and B
    Explanation
    Whey protein promotes a rapid rise in serum amino acid levels because it is quickly and easily absorbed by the body. It also has a high content of the essential amino acid leucine, which is important for muscle protein synthesis.

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  • 3. 

    Which of the following statements about arginine alpha-ketoglutarate and/or nitric oxide is FALSE?

    • A.

      Arginine is the substrate for the nitric oxide synthase enzyme, which catalyzes the oxidation of arginine to produce nitric oxide.

    • B.

      Nitric oxide promotes vasodilation.

    • C.

      Arginine is not recommended following acute myocardial infarction.

    • D.

      Several studies suggest that arginine alpha-ketoglutarate increases muscle size.

    Correct Answer
    D. Several studies suggest that arginine alpha-ketoglutarate increases muscle size.
    Explanation
    The given statement is false because several studies actually suggest that arginine alpha-ketoglutarate does not increase muscle size.

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  • 4. 

    Which of the following statements about growth hormone and/or arginine supplementation is FALSE?

    • A.

      Consuming 5 to 9 gm of arginine at rest increases growth hormone in a dose-dependent manner.

    • B.

      Exercise alone increases growth hormone levels by 300% to 500%.

    • C.

      Ingesting arginine before exercise further increases the growth hormone response to exercise.

    • D.

      A high dose of arginine can cause considerable gastrointestinal distress without further raising growth hormone levels

    Correct Answer
    C. Ingesting arginine before exercise further increases the growth hormone response to exercise.
  • 5. 

    Which of the following statements about caffeine supplementation is FALSE?

    • A.

      It may improve performance during short-term intense aerobic exercise and prolonged endurance exercise.

    • B.

      It increases alertness and reduces the perception of effort.

    • C.

      It significantly increases fat metabolism and spares muscle glycogen.

    • D.

      It is unlikely to elevate urine output or cause dehydration if consumed in moderation before and/or during exercise.

    Correct Answer
    C. It significantly increases fat metabolism and spares muscle glycogen.
    Explanation
    Caffeine supplementation does not significantly increase fat metabolism and spare muscle glycogen.

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  • 6. 

    Which of the following statements about creatine supplementation is FALSE?

    • A.

      It increases phosphocreatine stores in muscles.

    • B.

      It may improve performance during repeated intervals of high-intensity, short-duration exercise.

    • C.

      It enhances muscle size and strength during resistance training.

    • D.

      It has long-term detrimental effects on kidney and liver function.

    Correct Answer
    D. It has long-term detrimental effects on kidney and liver function.
    Explanation
    Creatine supplementation does not have long-term detrimental effects on kidney and liver function. Studies have shown that short-term use of creatine does not cause any significant harm to these organs. However, it is important to note that individuals with pre-existing kidney or liver conditions should consult with a healthcare professional before taking creatine.

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  • 7. 

    Which of the following supplements purportedly increase the body’s ability to buffer lactic acid?

    • A.

      Beta-alanine, bovine colostrum, creatine, sodium bicarbonate

    • B.

      Beta-alanine, bovine colostrum, sodium bicarbonate, pyruvate

    • C.

      Beta-alanine, bovine colostrum, phosphate, sodium bicarbonate

    • D.

      Phosphate, sodium bicarbonate, ribose, beta-alanine

    Correct Answer
    C. Beta-alanine, bovine colostrum, phosphate, sodium bicarbonate
    Explanation
    Beta-alanine, bovine colostrum, phosphate, and sodium bicarbonate are supplements that purportedly increase the body's ability to buffer lactic acid. Beta-alanine is known to increase muscle carnosine levels, which helps to buffer lactic acid. Bovine colostrum contains high levels of lactoferrin and immunoglobulins, which have been shown to improve exercise performance and reduce muscle damage. Phosphate helps to replenish ATP stores, which can help delay the onset of fatigue and lactic acid accumulation. Sodium bicarbonate acts as a pH buffer, helping to neutralize lactic acid and maintain muscle pH levels. Therefore, these supplements can enhance the body's ability to buffer lactic acid during exercise.

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  • 8. 

    Research has shown that androstenedione supplementation in men:

    • A.

      Increases testosterone levels

    • B.

      Decreases HDL cholesterol and increases estrogen levels

    • C.

      Increases muscle mass

    • D.

      Increases strength

    Correct Answer
    B. Decreases HDL cholesterol and increases estrogen levels
    Explanation
    Androstenedione supplementation in men has been found to have negative effects on cholesterol levels and estrogen levels. HDL cholesterol, also known as "good" cholesterol, is decreased, which can increase the risk of heart disease. Additionally, androstenedione supplementation leads to an increase in estrogen levels, which can cause hormonal imbalances and potentially lead to negative health effects. Therefore, the correct answer is that androstenedione supplementation decreases HDL cholesterol and increases estrogen levels.

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  • 9. 

    Which of the following supplements supposedly enhance fat oxidation and/or lipolysis?

    • A.

      Hydroxycitrate, chitosan, pyruvate

    • B.

      Green tea extract, conjugated linoleic acids, carnitine

    • C.

      Coleus forskolin, caffeine

    • D.

      B and C

    Correct Answer
    D. B and C
    Explanation
    Green tea extract and conjugated linoleic acids are supplements that supposedly enhance fat oxidation and/or lipolysis. Green tea extract contains catechins, which have been shown to increase fat oxidation. Conjugated linoleic acids are a type of fatty acid that may help promote fat loss and increase lipolysis. Coleus forskolin and caffeine are also believed to have these effects, but they are not included in the correct answer.

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  • 10. 

    Which supplements purportedly increase metabolic rate?

    • A.

      7-keto DHEA, citrus aurantium, and green tea extract

    • B.

      Coleus forskolin, hydroxycitrate and hoodia

    • C.

      Ephedra, caffeine, and capsaicin

    • D.

      A and C Correct

    Correct Answer
    A. 7-keto DHEA, citrus aurantium, and green tea extract
    Explanation
    7-keto DHEA, citrus aurantium, and green tea extract are supplements that are believed to increase metabolic rate. 7-keto DHEA is a hormone that helps to boost metabolism, citrus aurantium contains a compound called synephrine which may increase calorie burning, and green tea extract contains catechins that can help to increase metabolism and fat oxidation. These supplements have been commonly used for weight loss purposes due to their potential effects on metabolism.

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  • 11. 

    Which supplement contains synephrine and octopamine?

    • A.

      Ephedra

    • B.

      Yohimbine

    • C.

      Citrus aurantium

    • D.

      Guarana

    Correct Answer
    C. Citrus aurantium
    Explanation
    Citrus aurantium is the supplement that contains synephrine and octopamine. Synephrine and octopamine are both naturally occurring alkaloids found in Citrus aurantium, also known as bitter orange. These compounds are believed to have stimulant effects and are often used in weight loss and athletic performance supplements.

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  • 12. 

    Which supplements allegedly promote weight loss or improve athletic performance due to their effect on brain neurotransmitters?

    • A.

      St. John's wort, 5-HTP, tyrosine

    • B.

      St. John's wort, 5-HTP, L-threanine

    • C.

      St. John's wort, 5-HTP, magnolia bark

    • D.

      L-threanine, magnolia bark, beta-sitosterol

    Correct Answer
    A. St. John's wort, 5-HTP, tyrosine
    Explanation
    St. John's wort, 5-HTP, and tyrosine are supplements that allegedly promote weight loss or improve athletic performance due to their effect on brain neurotransmitters. St. John's wort is believed to increase serotonin levels, which can help regulate appetite and improve mood. 5-HTP is a precursor to serotonin, so it may also have similar effects. Tyrosine is involved in the production of dopamine, which can enhance focus and motivation during exercise. Therefore, these supplements are thought to influence neurotransmitters in the brain, leading to potential benefits for weight loss and athletic performance.

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  • 13. 

    "Ephedra-free" on a supplement label means that the supplement does not contain any stimulants.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    "Ephedra-free" on a supplement label means that the supplement does not contain the ingredient ephedra, which is a stimulant. Therefore, the statement is true.

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  • 14. 

    Which of the following statements about dietary supplements is TRUE?

    • A.

      Dietary supplements do not undergo pre-market testing for safety and effectiveness.

    • B.

      The amount of an active ingredient may be higher or lower than amount listed on the product label.

    • C.

      Products containing "natural" ingredients are safe.

    • D.

      A and B Correct

    Correct Answer
    D. A and B Correct
    Explanation
    Dietary supplements do not undergo pre-market testing for safety and effectiveness, which means that their safety and effectiveness are not guaranteed. Additionally, the amount of an active ingredient in a dietary supplement may be higher or lower than the amount listed on the product label, which can lead to potential health risks or ineffectiveness of the supplement. Therefore, both statements A and B are true.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Aug 29, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 06, 2013
    Quiz Created by
    Fitnesstrainingc
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