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Chapter 14

Nutrition

QuestionAnswer
Which of the following is a sure sign that muscles are using their maximum amount of energy from fat? Breathing is easy
The Physical Activity guidelines recommend a minimum of _______ minutes per week of moderate activity to improve health. 150
What nutrient becomes depleted most rapidly during physical exercise? Water
Which of the following are features of physical activity and exercise? Exercise, but not physical activity, is thought to be repetitive, structured, and planned
Athletes can safely add muscle tissue by putting a demand on muscles repeatedly by making them work harder.
What is the name of the biochemical pathway describing the conversion of lactate to glucose? Cori cycle
The ability of a muscle to contract repeatedly without becoming exhausted is muscular endurance.
When a marathon runner experiences the phenomenon known as "hitting the wall," what nutrient is most likely depleted? Glucose
Chris has been competing all day in a track competition and is now ready for the 100-meter dash. Which of the following high-energy muscle compounds can he rely on for quick energy in this event? Creatine phosphate
Which of the following is a characteristic of protein use in physical activity? Protein contributes up to 10% of total fuel used, which is similar to the resting state.
What is muscle atrophy
How can water loss from the body be quickly estimated at the end of a physical activity? Take the difference in body weight (lbs) before and after the event and multiply by 2 to determine cups of water loss
A well-trained athlete can draw more heavily on fat for fuel. Which of the following does not have any effect on this adaptation? Muscles store more glycogen.
When a marathon runner experiences the phenomenon known as "hitting the wall," what nutrient is most likely depleted? Glucose
Which of the following is an effect of exercise on protein metabolism? Protein synthesis is inhibited during exercise.
Which of the following is not one of the components of fitness? Body composition.
When the rate of lactate production exceeds the rate of clearance, intense activity can be maintained for only 1 to 3 minute
Which of the following would not be a benefit of regular physical activity and exercise? Reduced risk of kidney disease
As little as ____ minutes of moderate-intensity activity per day can add years to an individual’s life. 15
What is the predominant fuel used by muscle cells during low- or moderate-intensity activity? Fat
What cellular organelles are responsible for producing ATP aerobically? Mitochondria
What dietary nutrients are most effective at raising muscle glycogen concentrations? Carbohydrates
In the immediate postexercise period, what type of meal enhances muscle protein synthesis? Carbohydrate plus protein
Created by: Faith98
 

 



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