Ch. 14
An average person needs about ____ grams of protein per kg of body body weight.
0.8
Recommended protein intake for endurance athletes is _______ grams per kilogram of body weight per day.
1.2-1.4
After ___ minutes, a person who continues to exercise moderately (mostly aerobically) begins to use less and less glycogen and more and more fat for fuel.
20
To improve your cardiorespiratory endurance, the activity you choose must be sustained for ___ minutes or longer, use most of the large muscle groups, and elevate your heart rate.
20
Which of the following is a tip for building fitness and minimizing the risk of overuse injuries?
Include warm-up and cool-down activities in each session. Be active all week. Train hard enough to challenge your strength or endurance only a few times each week. Use proper equipment and attire.
The progressive overload principle involves all of the following components except:
age
Which of the following is not a component of fitness?
conditioning
Which term is used to describe a substance that can enhance athletic performance?
ergogenic aid
Anaerobic activities in a cell produce more ATP than aerobic activities.
false
LPL is the form of energy that the body uses.
false
Many athletes increase carbohydrate consumption before an event. This is known as the overload principle.
false
Protein is a major source of fuel for the body.
false
Moderate-intensity activities use a preferred fuel source of ATP that is derived from _________.
fat
Fit muscles use oxygen more efficiently and can burn ___________.
fat longer
The first 20 minutes of moderately active exercise burns __
glucose and glycogen
Regular physical exercise can decrease risk of which condition?
heart disease Type II diabetes hypertension stroke
A person's cardiorespiratory endurance is defined by the length of time that person can remain active with an elevated
heart rate
Which of the following is not a symptom of dehydration?
heavy sweating
_____________ is a condition of decreased blood sodium concentration as a result of overhydration.
hyponatremia
Benefits of resistance training include all of the following except:
increase in muscle mass maintenance of bone mass enhanced psychological well being increase in muscle power
Which of the following is an effect that alcohol has on physical activity?
increases risk of heat stroke increases risk of hypothermia impairs fluid balance impairs ability to regulate body temperature
_______ is the product of anaerobic glycolysis.
lactate
In general, physically fit people enjoy all of the following, except:
low risk of type 1 diabetes
Anabolic steroids are derived from ____
male sex hormones
Anaerobic activities do not require oxygen
true
Creatine phosphate (CP) is stored in muscles for a quick energy source.
true
If you are thirsty, you are already dehydrated.
true
More women than men are anemic.
true
Most Americans consume too much protein.
true
One should still be able to talk but not sing when doing cardiorespiratory workouts.
true
Some body fat is necessary.
true
The body stores fat as adipose tissue.
true
Water is the best drink during an athletic activity.
true
Which nutrient class is depleted the fastest during fitness?
water
Which is NOT an energy-supplying nutrient
water and vitamins