Nutrition: Concepts and Controversies
13th Edition
ISBN: 9781133603184
Author: Frances Sizer, Ellie Whitney
Publisher: Cengage Learning
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Chapter 10, Problem 7SC
Summary Introduction
Concept Introduction:
The main energy source during any physical activity is glucose. But the usage of this energy source depends on two things. These are- time of the action and intensity with which the action is done. During the first 20-30 minutes of any physical labor, cells use glucose as the source of energy, but as the time or intensity increases, the cells start to use fats for energy. This is how
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For a sedentary individual, after 9-months of endurance training, the lactate threshold (LT) shifts to the ______________, which is caused, in part, by___________________________.
a.
down; an increased reliance upon glycogen during exercise
b.
right; an increased ability to utilize fats for energy during exercise
c.
up; a reduction in the amount of mitochondria as a result of training
d.
left; an increase in Pi buffering compared to the pre-training value
A. When should a client use a weight belt
during resistance training and why?
B. Explain traditional breathing guidelines for
weightlifting.
C. Explain the benefits and limitations of
bodyweight training.
D. When would you suggest adding resistance
bands and/or chains to a client's programming?
How and why would you use them?
Which one of the following do NOT limit the
athletic performance?
Select one:
a. Build-up of inorganic phosphate
b. Depletion of pyruvate
O c. Acidosis decreases neural function due
to conversion of glucose to lactate
d. Depletion of acetyl coenzyme A
e. Elevated levels of glucose
Chapter 10 Solutions
Nutrition: Concepts and Controversies
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- When we prepare rodents and small mammals for anesthesia, it requires:a. Fasting for 8 hoursb. Fasting for 2 hoursc. Fasting for 1 hourd.They do not require fastingarrow_forwardIn athletes, increased lean body mass is associated with: a.Decreased total body water content and decreased requirement for fluid intake b.Increased total body water content and decreased requirement for fluid intake c.Increased total body water content and increased requirement for fluid intake d.Decreased total body water content and increased requirement for fluid intakearrow_forwardWhich of the following best describes the detrimental result of ingestingEthanol before an athletic event?a. The alcohol would decrease muscle strength by altering the cellmembranes of muscle cells.b. The alcohol would cause the nervous system to become hyperactiveand theplayer would develop strength beyond human limits and wouldhurt other players.c. The alcohol would cause bronchoconstriction and the player wouldnot be able to oxygenate their blood, thus, decreasing stamina.d. The alcohol would cause the player to urinate more than normal andincreasethe chances that the player would suffer from dehydration.arrow_forward
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