Which of the following is NOT a characteristic of caffeine use in physical activity?
answer
It slows depletion of muscle glycogen
question
According to several recognized health organizations, about how many grams of protein per day are recommended for a male, 70-kg strength athlete?
answer
112
question
Which of the following is a characteristic of sodium in athletes?
answer
There is a direct correlation between heat-induced cramps and the amount of sodium lost in the sweat
question
In the endurance athlete, the first priority of nutrient repletion should be
answer
Fluids
question
What nutrient is important in the transport of oxygen in blood and in muscle tissue and in energy transformation reactions?
answer
Iron
question
Which of the following describes an effect of caffeine use in the athlete?
answer
It stimulates fatty acid release
question
The first sign of dehydration is typically
answer
fatigue
question
In weight training, muscle strength can best be emphasized by combining a
answer
low number of repetitions with heavy weight.
question
Which of the following is a feature of protein nutrition in physical activity?
answer
Protein is not a major fuel for physical activity
question
What is the predominant fuel used by muscle cells during low- or moderate-intensity activity?
answer
Fat
question
Which of the following is not a characteristic of caffeine use in physical activity?
answer
It slows depletion of muscle glycogen
question
A person engaging in exercise at a moderate level should walk at a speed of one mile per
answer
quarter hour
question
All of the following are characteristics of heat stroke except
answer
it is rarely fatal
question
Mary is 15 years old and has just joined her high school swim team. After the first three months of training and competing, her coach sends the team for mandatory physical examinations and routine blood tests. When Mary got home, she told her mom that she has sports anemia. Why shouldn't Mary begin taking iron supplements as a way to treat this condition?
answer
The anemia is not correctable by extra iron intake
question
Which of the following best exemplifies an activity that promotes flexibility?
answer
Yoga
question
For most physically active people, all of the following are valid reasons for consuming sports drinks except
answer
they are better than water at preventing sodium depletion
question
Sports drinks begin to provide an advantage over plain water for athletes when their exercise periods first exceed
answer
60 min
question
About how many kcal are supplied by 8 oz of the typical sports drink?
answer
50-100
question
Which of the following is a characteristic of sports anemia?
answer
It is a temporary condition requiring no treatment
question
A person engaged in physically active work in hot, humid weather and who wears a rubber suit to promote weight loss is at high risk of experiencing
answer
heat stroke
question
During physical performance, what is the role of creatine phosphate?
answer
Transfer of energy to make ATP
question
What is the minimum amount of fluid that an athlete should drink for each pound of body weight lost during an activity?
answer
1/2 liter
question
What percentage of U.S. adults lives a completely sedentary lifestyle?
answer
20 / 13?
question
Pat has gained about 20 pounds in the past 5 years and has come to you for help with a diet and exercise regimen. In order to promote optimal fat loss through exercise, in which of the following activities should Pat participate?
answer
Low- to moderate-intensity aerobic exercise like hiking
question
Which of the following is a role for diet in physical activity?
answer
Diets lacking in carbohydrates lead to increased amino acid utilization for fuel
question
Why should fiber-rich foods be avoided in an athlete's pregame meal?
answer
...
question
What nutrient becomes depleted most rapidly during physical exercise?
answer
Water
question
Which of the following is a feature of physical activity recommendations?
answer
The same level of effectiveness can be achieved by dividing the activity in shorter sessions throughout the day
question
The duration of exercise warm-up and cool-down periods should be
answer
5-10 minutes each
question
Which of the following is a feature of iron nutrition in athletes?
answer
Iron losses occur from accelerated destruction of fragile, older blood cells
question
For optimal performance, the athlete's pre-competition meal may include all of the following except
answer
beans
question
When a marathon runner experiences the phenomenon known as "hitting the wall," what nutrient is most likely depleted?
answer
protein
question
Which of the following is a feature of creatine supplementation in athletes?
answer
It may enhance performance of weight lifters and sprinters
question
Which of the following should be a component of a healthy diet for athletes?
answer
Protein powders
question
Which of the following would be the best choice for physically active people who need to rehydrate?
answer
Salt tablets and tap water
question
For optimal performance of endurance athletes, sports nutritionists recommend approximately how much dietary fat energy?
answer
20-35%
question
The recommended amount of dietary carbohydrate (g/kg body weight) for an athlete training for a marathon is approximately
answer
8
question
Which of the following diets promotes superior physical performance in athletes?
answer
High-carbohydrate diet
question
Chris has been competing all day in a track competition and is now ready for the 100-meter dash. Although he feels tired, which of the following high-energy muscle compounds can he rely on for quick energy in this event?
answer
Creatine phosphate
question
What is the chief adverse effect from drinking a carbonated beverage before engaging in athletic activity?
answer
The bubbles induce feelings of fullness quickly and so limit fluid intake
question
All of the following are acceptable definitions of the term fitness except
answer
the ability to maintain a normal body composition and remain free of injury while performing strenuous physical tasks
question
Athletes can safely add muscle tissue by
answer
putting a demand on muscles repeatedly by making them work harder
question
The optimal carbohydrate concentration of sports drinks for the endurance athlete is
answer
6-8%
question
The components of fitness include all of the following except
answer
bone fragility
question
What should be the composition of the last (pregame) meal before an athletic event?
answer
High-carbohydrate, low-fiber, providing 300 to 800 kcal
question
In the average person, the amount of stored glycogen represents how many kcal?
answer
2000
question
During a physical activity, what hormone signals the fat cells to begin releasing their fatty acids?
answer
Epinephrine
question
Which of the following is a feature of caffeine use in physical activity?
answer
College and national competitions prohibit the use of caffeine in amounts greater than that present in 5 cups of coffee when consumed within a few hours before testing
question
Your friend Bob, who engages in endurance exercise throughout the week, is concerned that his protein intake is inadequate and asks what type of protein supplement he should take. You assure him that
answer
he most likely already gets more protein from his regular diet than he needs, even for endurance activity
question
Substantial health benefits may be achieved by engaging in a moderately intense level of exercise at a frequency of at least
answer
2.5 hours/week
question
What dietary nutrients are most effective at raising muscle glycogen concentrations?
answer
Carbohydrates
question
How can water loss from the body be quickly estimated at the end of a physical activity?
answer
Take the difference in body weight (lbs) before and after the event and multiply by 2 to determine cups of water loss
question
What is the recommended composition of the postgame meal of the athlete?
answer
High-carbohydrate
question
In training to run in your state marathon this summer, you want to determine how much fluid to drink during training sessions. Your weight at the beginning of every training session is 150 pounds. At the end of every training session you weigh 146 pounds. How many cups of fluid are necessary replenish these losses?
answer
8
question
If a person's maximum heart rate is 220 beats/min, what is the safe maximum heart rate during vigorous exercise?
answer
198
question
Which of the following is a feature of chromium in physical performance?
answer
Most recent studies on chromium picolinate supplementation show no favorable effects on strength or lean body mass
question
In the immediate postexercise period, what type of diet enhances muscle protein synthesis?
answer
Carbohydrate plus protein
question
What type of meal and time of its ingestion promote the most rapid repletion of glycogen stores after physical activity?
answer
High-carbohydrate meal taken within 15 minutes
question
In weight training, muscle endurance can best be emphasized by combining a
answer
high number of repetitions with lighter weight
question
All of the following are categorized as fitness strength activities except
answer
kickboxing
question
Which of the following are features of physical activity and exercise?
answer
Exercise, but not physical activity, is thought to be vigorous, structured, and planned
question
What type of meal & time of its ingestion promote the most rapid repletion of glycogen stores after physial activity?
answer
High-carbohydrate meal taken within 15 minutes
question
What may, in part, account for the reduced risk of gallbladder disease in women who engage in regular physical activity?
answer
Reduction of blood lipids or Alteration of hormonal profile
question
A person engaged in an endurance event has lost two liters of body water by sweating. What would be the approximate energy loss from the evaporation of the sweat?
answer
1200 kcal
question
Physical performance is noticeably affected when body water loss first reaches
answer
2%
question
Which of the following is a sure sign that muscles are using their maximum amount of energy from fat?
answer
Breathing is easy
question
During the first 20 minutes of moderate exercise, the body uses about
answer
20% of the available glycogen
question
What type of chemicals are DHEA & androsterndione?
answer
Hormones
question
Hyponatremia refers to low blood levels of
answer
sodium
question
Which of the following is NOT derived directly from cardiorespiratory conditioning?
answer
Increased flexibility
question
All of the following are features of endurance athletes and sodium EXCEPT
answer
they can easily replace sodium loss by consuming conventional sports drinks during the event.
question
Which of the following is a benefit of glucose polymer sports drinks as compared with sugar-containing drinks?
answer
They attract less water in the GI tract and thus allow more water to remain in circulation
question
Which of the following is a characteristic of oxygenated water use in athletes?
answer
The oxygen in the water is without benefit
question
A tissue deprived of an oxygen supply during exercise would develop an accumulation of
answer
lactate
question
What high-energy compound acts as a reservoir of energy for the maintenance of a steady supply of ATP?
answer
Creatine phosphate
question
Which of the following is a characteristic of sodium in athletes?
answer
There is a direct correlation between heat-induced cramps and the amount of sodium lost in the sweat
question
Which of the following is an effect of exercise on protein metabolism?
answer
Protein synthesis is inhibited during exercise
question
What would be the minimum amount of body water loss necessary to bring about a reduction in work capacity of an average 165-pound individual?
answer
1 1/2 liters
question
Which of the following is the most significant rationale for eliminating alcohol intake in athletic performance?
answer
It is not metabolized in muscle
question
What is the usual fate of muscle glycogen during exercise?
answer
Utilized as a fuel within the muscle cells only
question
For maximum benefits, cardiorespiratory endurance episodes should be sustained for at least
answer
20 minutes.
question
Which of the following is an example of a resistance training activity?
answer
Lifting free weights
question
Results of research studying carnitine supplementation as an ergogenic aid showed that it
answer
does not seem to increase fat oxidation
question
Which of the following would be the best choice for physically active people who need to replace lost fluids?
answer
cool water
question
For female endurance athletes, about how much more protein above the RDA is recommended by recognized health organizations?
answer
50-75%
question
Which of the following is a feature of vitamin E supplementation and physical activity?
answer
Some studies show that vitamin E in high doses seems to protect against exercise-induced oxidative stress whereas others show the opposite
question
According to several recognized health organizations, about how many grams of protein per day are recommended for a female, 50-kg marathon runner?
answer
60-70
question
Which of the following is a characteristic of fuel use by muscles?
answer
muscles always use a mixture of fuels at rest or during physical activity
question
A common side effect of chronic creatine supplementation is
answer
weight gain
question
What cellular organelles are responsible for producing ATP aerobically?
answer
Mitochondria
question
Which of the following is least likely to affect the size of the body's glycogen stores?
answer
Type of supplements taken
question
Which of the following represents current knowledge of the role of vitamin and mineral supplements in physical performance?
answer
They may be beneficial for athletes who struggle to meet their energy requirements
question
The effect of regular exercise on heart and lung function is known as
answer
cardiorespiratory conditioning.
question
A muscle that increases in size in response to use is an example of
answer
hypertrophy
question
A person's "VO2 max" is the maximum
answer
rate of oxygen consumption.
question
The volume of blood ejected by the heart each minute is known as the
answer
cardiac output
question
What is muscle atrophy?
answer
Loss of muscle size and strength
question
What is the Cori cycle?
answer
A process in the liver that regenerates glucose from lactate released by muscles
question
What is the name of the biochemical pathway describing the conversion of lactate to glucose?
answer
Cori cycle
question
What substance contains the chemical energy that drives immediate muscle contraction?
answer
ATP
question
What type of chemicals are DHEA and androstendione?
answer
Hormones
question
Which of the following describes fat utilization during physical activity?
answer
Fat represents the major fuel source during sustained, moderate activity
question
Which of the following ergogenic aids increases the risk for acromegaly?
answer
Growth hormone
question
Which of the following is a characteristic of glycogen synthesis after a bout of strenuous training?
answer
Glycogen repletion is enhanced most by eating foods with a high glycemic index
question
Which of the following is a characteristic of human growth hormone use in athletes?
answer
Excessive use shortens life span
question
Which of the following is a feature of specific ergogenic aids?
answer
Contain nutrients or nutritional substances in
quantities much greater than the RDA or that found in food. Produce a pseudo Pharmacological (druglike) effect that may improve performance.
Are often not scientifically tested or proven to
enhance performance.
Are often promoted by anecdotal evidence or testimonials from famous athletes.
Are very fashionable and can often be regarded as a fad.
Are usually very expensive.
question
Which of the following is a feature of sports anemia?
answer
It is not a true iron-deficiency anemia
question
Which of the following is a feature of water metabolism during exercise?
answer
Sweat losses can exceed the capacity of the GI tract to absorb water resulting in some degree of dehydration
question
Which of the following is generally not associated with a regular program of physical fitness?
answer
Reduced bone density
question
Which of the following substances increases in muscles during intense exercise?
answer
Lactate
question
All of the following are acceptable definitions of the term fitness EXCEPT
answer
the ability to maintain a normal body composition and remain free of injury while performing strenuous physical tasks.
question
The effect of regular exercise on heart and lung function is known as
answer
cardiorespiratory conditioning
question
What cellular organelles are responsible for producing ATP aerobically?
answer
Mitochondria
question
What is the recommended composition of the postgame meal of the athlete?
answer
High-carbohydrate
question
Which of the following is a feature of androstenedione use in athletes?
answer
It is a dangerous alternative to anabolic steroid use.
question
Which of the following is a feature of water metabolism during exercise?
answer
Sweat losses can exceed the capacity of the GI tract to absorb water, resulting in some degree of dehydration
question
If muscle work is anaerobic, which of the following cannot serve as fuel?
answer
Fat
question
What nutrient deficiency during pregnancy may give rise to a child with cretinism?
answer
Iodine
question
What minimum amount of body water loss (as a percentage of body weight) is likely to cause a person to collapse?
answer
7
question
Which of the following components of training define(s) the progressive overload principle?
answer
Intensity, Frequency, duration
question
Which of the following is NOT a feature of vitamin E in people who engage in regular high-intensity physical activity?
answer
The benefits of vitamin E supplements on performance occur from immediate intake right before the event
question
Physical fitness may be achieved by engaging in a moderately intense level of exercise at a frequency of at least
answer
...
question
Which of the following is a characteristic of protein use in physical activity?
answer
Protein contributes up to 10% of total fuel used, which is similar to the resting state
question
The appearance of confusion and clumsiness in a person engaged in outdoor sports activities may be an early sign of
answer
hypothermia.
question
Which of the following is a feature of enhanced waters for physical activity?
answer
They usually contain less carbohydrate and electrolytes than typical sports drinks
Haven't found what you need?
Search for quizzes and test answers now
Quizzes.studymoose.com uses cookies. By continuing you agree to our cookie policy
