Practice Quizzes

Chapter 11: Sports Nutrition: Eating for Peak Performance

1: ___ may incease the risk of stress fractures in athletes.
Iron
Calcium
B Vitamins
Thiamin
2: Muscle fibers contain four to six times as much creatine phosphate as ATP.
TRUE
FALSE
3: The oxygen energy system produces little ATP.
TRUE
FALSE
4: What happens to lactate after it diffuses through muscle cell membranes into the bloodstream?
the kidneys excrete it in urea
it begins to accumulate, making cells more acidic.
blood cells use it to make more ATP
the lactate travels to other muscle cells where it re-enters the energy-producing glycolytic pathways.
5: Perceived exertion is the objective measurement of how difficult an effort is.
TRUE
FALSE
6: This energy pathway is the simplest and fastest at producing ATP from glucose, and it does not require oxygen.
creatine phosphate
ATP-CP energy system
oxygen energy system
Lactic acid energy system
7: The best way to replenish glycogen stores after intense exercise would be to conusme which of the following foods
white bread and cheese
an apple and grapes
a hamburger
bran muffin with jam
8: Glycogen stores continue to be replenished 24 to 48 hours after an event.
TRUE
FALSE
9: In which activity would your body rely mostly on fast-twitch fibers?
a five mile leisurely bike ride
a 45 minute walk
400 meter swim
100 meter dash
10: What determines the rate of muscle glycogen’‘s depletion?
the intensity of the activity
the duration of the activity
genetics
the type of activity
11: The increased breakdown of red blood cells in the foot capillaries of long distance runners contributes to a low status of which nutrient?
vitamin B12
zinc
iron
vitamin C
12: The ATP-CP and lactic acid energy systems rely on carbohydrate and do not require oxygen.
TRUE
FALSE
13: Protein combined with carbohydrate in a postexercise meal increases glycogen synthesis more than carbohydrate alone.
TRUE
FALSE
14: Athletes should consume diets with less than 15 percent of energy from fat.
TRUE
FALSE
15: The rate at which a body produces prespiration depends on all of the following factors EXCEPT
type of clothing
fitness level
initial fluid balance
age
16: Using sports drinks to replace electrolytes is suggested for activities that last a minimum of ____ hours.
1
2
4
5
17: A condition marked by high blood pressure and protein in the urine is
preterm delivery
morning sickness
preeclampsia
gestational diabetes
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