Pet Health care Quiz: Energy Generation And Energy Expenditure

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Pet Health care Quiz: Energy Generation And Energy Expenditure - Quiz

Energy Generation and Energy Expenditure


Questions and Answers
  • 1. 

    The best measurement of the short-term energy system activation by exercise is:

    • A.

      Blood glucose levels

    • B.

      Blood lactate levels

    • C.

      Blood pressure

    • D.

      Heart rate

    Correct Answer
    B. Blood lactate levels
    Explanation
    Blood lactate levels are the best measurement of the short-term energy system activation by exercise because when exercising at high intensity, the body produces lactate as a byproduct of anaerobic metabolism. Blood lactate levels can indicate the level of anaerobic energy production and the body's ability to buffer and remove lactate. Monitoring blood lactate levels can provide valuable information about an individual's exercise intensity, training adaptations, and overall fitness level.

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  • 2. 

    The fact that swim training for endurance does little to improve an athlete's distance running supports the principle of:

    • A.

      Generality

    • B.

      Individual differences

    • C.

      Reversibility

    • D.

      Specificity

    Correct Answer
    D. Specificity
    Explanation
    The principle of specificity states that training should be specific to the desired outcome or goal. In this case, the fact that swim training for endurance does not improve distance running suggests that the training is not specific to the desired outcome of improving running performance. This supports the principle of specificity, which emphasizes the importance of tailoring training to the specific demands and requirements of the desired activity or sport.

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  • 3. 

    Factors that influence individual differences in their capacity for aerobic energy transfer include all of the following EXCEPT:

    • A.

      Mitochondrial content of the muscle

    • B.

      Personal motivation

    • C.

      Buffering of acid metabolites

    • D.

      Training intensity and duration

    Correct Answer
    A. Mitochondrial content of the muscle
    Explanation
    The answer is "mitochondrial content of the muscle" because this factor actually does influence individual differences in their capacity for aerobic energy transfer. Mitochondria are the powerhouses of the cell and play a crucial role in aerobic energy production. The more mitochondria a muscle has, the more efficiently it can generate energy aerobically. Therefore, higher mitochondrial content in the muscle is associated with a greater capacity for aerobic energy transfer.

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  • 4. 

    All of the following are a type of test to determine VO2 max EXCEPT:

    • A.

      Cycle ergometer test

    • B.

      Step test

    • C.

      1_RM test

    • D.

      Walking test

    Correct Answer
    C. 1_RM test
    Explanation
    The 1_RM test is not a type of test to determine VO2 max. VO2 max is a measure of the maximum amount of oxygen that an individual can utilize during intense exercise. The cycle ergometer test, step test, and walking test are all commonly used tests to determine VO2 max. However, the 1_RM test is a test used to determine an individual's maximum strength by finding the maximum amount of weight they can lift for a specific exercise.

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  • 5. 

    All of the following are types of open-circuit, indirect calorimetric procedures EXCEPT:

    • A.

      Bag technique

    • B.

      Portable spirometry

    • C.

      Bomb calorimeter

    • D.

      Computerized instrumentation

    Correct Answer
    C. Bomb calorimeter
    Explanation
    The bomb calorimeter is not a type of open-circuit, indirect calorimetric procedure. Open-circuit, indirect calorimetry measures energy expenditure by analyzing the exchange of oxygen and carbon dioxide in the breath. The bag technique, portable spirometry, and computerized instrumentation are all examples of open-circuit, indirect calorimetric procedures. However, the bomb calorimeter is a different type of calorimetric procedure that measures the heat of combustion of a substance by igniting it in a sealed chamber.

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  • 6. 

    Absolute values of VO2 max are expressed by:

    • A.

      L/min

    • B.

      ML/kg/min

    • C.

      Watts

    • D.

      M/min

    Correct Answer
    A. L/min
    Explanation
    The correct answer is L/min because VO2 max is a measure of the maximum amount of oxygen that an individual can utilize during intense exercise. It is typically expressed in liters of oxygen consumed per minute (L/min). This unit allows for a direct measurement of the absolute amount of oxygen consumed, without taking into account the individual's body weight or any other factors.

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  • 7. 

    All of the following limit the accuracy of predicting VO2 max from submaximal exercise heart rate EXCEPT:

    • A.

      Linearity of the HR-VO2 relationship

    • B.

      Similar maximum heart rates for all subjects

    • C.

      Day-to-day variation in exercise heart rate

    • D.

      Assumed variability in exercise economy

    Correct Answer
    D. Assumed variability in exercise economy
    Explanation
    The accuracy of predicting VO2 max from submaximal exercise heart rate can be limited by various factors. The linearity of the HR-VO2 relationship refers to the assumption that heart rate and oxygen consumption have a consistent and predictable relationship, which can affect accuracy. Similar maximum heart rates for all subjects can also limit accuracy, as individual variations in maximum heart rate can impact the relationship between heart rate and VO2 max. Day-to-day variation in exercise heart rate can introduce inconsistency and affect accuracy. However, assumed variability in exercise economy does not directly impact the prediction of VO2 max from submaximal exercise heart rate, making it the exception in this case.

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  • 8. 

    True or False? The capacity of the short-term energy system for a given muscle depends on its glycogen content:

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The capacity of the short-term energy system for a given muscle depends on its glycogen content. Glycogen is a form of stored glucose in muscles and serves as a readily available source of energy during short bursts of intense exercise. When glycogen is broken down, it releases glucose, which is used to produce ATP, the primary energy source for muscle contractions. Therefore, the more glycogen a muscle has, the greater its capacity for short-term energy production, making the statement true.

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  • 9. 

    True or False? For adolescents and adults, power scores based on body mass (kg) are higher for females than for age-matched males.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement is false because power scores based on body mass (kg) are not higher for females than for age-matched males. Power scores are typically higher for males due to factors such as higher muscle mass and testosterone levels.

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  • 10. 

    True or False?  When increasing the intensity of an ongoing exercise procedure fails to produce further increases in VO2, this suggests that VO2 max has been achieved.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    When increasing the intensity of an ongoing exercise procedure fails to produce further increases in VO2 (the maximum amount of oxygen that an individual can utilize during intense exercise), it suggests that VO2 max has been achieved. This means that the individual has reached their maximum capacity to consume oxygen and further increases in exercise intensity will not result in higher levels of oxygen utilization. Therefore, the statement "True" is correct.

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  • 11. 

    True or False?  Genetic factors have almost no impact on a person's VO2 max.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Genetic factors do have an impact on a person's VO2 max. VO2 max is a measure of the maximum amount of oxygen a person can use during intense exercise. Research has shown that genetic factors contribute to about 50% of the variability in VO2 max among individuals. Certain genetic variations can affect factors such as muscle fiber type, lung capacity, and cardiovascular function, which in turn influence an individual's VO2 max. Therefore, it is incorrect to say that genetic factors have almost no impact on a person's VO2 max.

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  • 12. 

    True or False? In order to be a suitable and valid test, a performance test must be similar to the activity or sport for which energy capacity is evaluated.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    A performance test must be similar to the activity or sport for which energy capacity is evaluated because it allows for a more accurate assessment of an individual's abilities in that specific activity. By replicating the demands and conditions of the activity, the test can provide valuable information about an individual's energy capacity and their ability to perform in that particular sport or activity. This ensures that the test results are relevant and applicable to real-life situations, making it a suitable and valid test.

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  • 13. 

    True or False? Pregnancy alone does not usually impede participation in aerobic exercise of moderate intensity.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Pregnancy alone does not usually impede participation in aerobic exercise of moderate intensity. This means that, in general, pregnant women can engage in aerobic exercises that are not too intense without any major issues. However, it is important for pregnant women to consult with their healthcare provider before starting or continuing any exercise routine, as individual circumstances may vary.

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  • 14. 

    Three METs equals:

    • A.

      5.5 mL/kg/min

    • B.

      10.5 mL/kg/min

    • C.

      3.5 mL/kg/min

    • D.

      7 mL/kg/min

    Correct Answer
    B. 10.5 mL/kg/min
    Explanation
    The correct answer is 10.5 mL/kg/min because three METs (metabolic equivalents) are equivalent to an oxygen consumption of 10.5 mL/kg/min. METs are a way to measure the intensity of physical activity, with one MET representing the resting metabolic rate. Therefore, three METs indicate that the activity is being performed at three times the resting metabolic rate, resulting in an oxygen consumption of 10.5 mL/kg/min.

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  • 15. 

    Hand-held weights help runners to burn calories but may be especially risky if the runners suffer from:

    • A.

      Asthma

    • B.

      Diabetes

    • C.

      Hypertension

    • D.

      Hypothyroid

    Correct Answer
    C. Hypertension
    Explanation
    Hand-held weights can increase the intensity of a runner's workout, leading to a higher calorie burn. However, individuals with hypertension have high blood pressure, which can be exacerbated by the added strain of using weights. This can increase the risk of cardiovascular complications such as heart attack or stroke. Therefore, using hand-held weights may be particularly risky for individuals with hypertension.

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  • 16. 

    This is NOT a major contributor to total energy expenditure:

    • A.

      Energy associated with physical activity

    • B.

      Resting metabolic rate

    • C.

      Restorative processes of sleep

    • D.

      Thermogenic influences of food consumption and processing

    Correct Answer
    C. Restorative processes of sleep
    Explanation
    Restorative processes of sleep are not a major contributor to total energy expenditure. While sleep is important for overall health and well-being, it does not significantly impact the amount of energy expended by the body. Resting metabolic rate, physical activity, and the thermogenic influences of food consumption and processing have a much greater impact on total energy expenditure.

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  • 17. 

    The energy cost for running a 26.2-mile marathon, not including recovery, varies the most depending on:

    • A.

      The runner's aerobic fitness level

    • B.

      The runner's body mass

    • C.

      The runner's power

    • D.

      The cost is 2600 kCal irrespective of other choices

    Correct Answer
    B. The runner's body mass
    Explanation
    The energy cost for running a marathon varies the most depending on the runner's body mass. This means that individuals with different body masses will require different amounts of energy to complete the marathon. This is because a higher body mass requires more energy to move and sustain the physical activity. Therefore, a runner with a higher body mass will expend more energy compared to a runner with a lower body mass.

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  • 18. 

    The basal metabolic rate is NOT:

    • A.

      Dependent on age and sex

    • B.

      Significantly higher than the resting metabolic rate

    • C.

      Measured by determining oxygen uptake

    • D.

      Proportionate to fat-free body mass

    Correct Answer
    B. Significantly higher than the resting metabolic rate
    Explanation
    The basal metabolic rate (BMR) is the amount of energy expended by the body at rest to maintain basic physiological functions. It is not dependent on age and sex, as it remains relatively constant across different demographics. The BMR is not significantly higher than the resting metabolic rate (RMR), which is the energy expenditure during rest but also includes the digestion and absorption of food. The BMR is typically lower than the RMR. The BMR is not measured by determining oxygen uptake, as it is usually estimated using equations based on factors such as age, sex, weight, and height. The BMR is also not proportionate to fat-free body mass, as it is influenced by various factors including muscle mass, genetics, and hormonal levels.

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  • 19. 

    To calculate an individual's resting daily energy expenditure (RDEE), this value is not relevant:

    • A.

      Average sleep time

    • B.

      Age

    • C.

      Height

    • D.

      Wieght

    Correct Answer
    A. Average sleep time
    Explanation
    The average sleep time is not relevant when calculating an individual's resting daily energy expenditure (RDEE). RDEE is the amount of energy a person's body needs to perform basic functions while at rest. Factors such as age, height, and weight play a role in determining RDEE as they affect the body's metabolic rate. However, sleep time does not directly impact the body's energy expenditure at rest.

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  • 20. 

    Resting metabolism is least dependent on:

    • A.

      Core body temperature

    • B.

      Fat-free body mass

    • C.

      Glycogen storage levels

    • D.

      Pregnancy

    Correct Answer
    C. Glycogen storage levels
    Explanation
    Resting metabolism refers to the energy expended by the body at rest. It is influenced by various factors, including core body temperature, fat-free body mass, and pregnancy. However, glycogen storage levels do not significantly affect resting metabolism. Glycogen is a stored form of glucose that is primarily used for short-term energy needs. Resting metabolism relies more on factors such as body composition and hormonal changes, rather than glycogen storage levels.

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  • 21. 

    The energy cost for traveling the same distance running as compared to swimming is roughly:

    • A.

      10%

    • B.

      25%

    • C.

      50%

    • D.

      250%

    Correct Answer
    B. 25%
    Explanation
    The energy cost for running is higher compared to swimming. Running requires the use of more muscles and a higher level of cardiovascular effort, resulting in a greater energy expenditure. Therefore, the energy cost for traveling the same distance running is roughly 25% higher than swimming.

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  • 22. 

    The three factors that largely determine success in aerobic endurance performance include all of the following EXCEPT:

    • A.

      VO2 max

    • B.

      Neuromuscular specificity

    • C.

      The ability to sustain effort at a large percetage of VO2 max

    • D.

      The efficiency of energy use and/or movement economy

    Correct Answer
    B. Neuromuscular specificity
    Explanation
    Neuromuscular specificity is not a factor that largely determines success in aerobic endurance performance. The other three factors mentioned - VO2 max, the ability to sustain effort at a large percentage of VO2 max, and the efficiency of energy use and/or movement economy - all play important roles in determining an individual's aerobic endurance performance. Neuromuscular specificity, on the other hand, refers to the ability of the nervous system to recruit specific muscles for a particular movement pattern, and it is more relevant to activities that require power, speed, and agility rather than aerobic endurance.

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  • 23. 

    In general, a 60-year-old woman will have a higher resting metabolic rate than a 25-year-old man.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement is false because, in general, men tend to have a higher resting metabolic rate than women. This is due to several factors, including differences in body composition and muscle mass. Men typically have a higher percentage of lean muscle mass, which requires more energy at rest compared to fat tissue. Additionally, hormonal differences between men and women can also contribute to variations in metabolic rates. Therefore, a 25-year-old man is likely to have a higher resting metabolic rate than a 60-year-old woman.

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  • 24. 

    Changes in the level of physical activity represent the most profound influence on energy expenditure for most humans.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Changes in the level of physical activity have a significant impact on energy expenditure for most humans. When individuals engage in physical activity, their bodies require more energy to perform the movements and sustain the increased effort. This increased energy expenditure can lead to burning more calories and potentially aiding in weight loss or maintenance. On the other hand, a sedentary lifestyle with minimal physical activity can result in lower energy expenditure and potentially contribute to weight gain or other health issues. Therefore, it can be concluded that changes in physical activity levels have a profound influence on energy expenditure for most humans.

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  • 25. 

    BMR tends to decrease with chronological age:

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    As people age, their basal metabolic rate (BMR) tends to decrease. This is because as we get older, our bodies tend to lose muscle mass and gain fat, which leads to a decrease in metabolic activity. Additionally, hormonal changes that occur with age can also contribute to a decrease in BMR. Therefore, it is true that BMR tends to decrease with chronological age.

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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
  • Mar 19, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 14, 2012
    Quiz Created by
    Smftquizzes

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