Exam (elaborations)
Nutrition & Performance Final Exam
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- Chapter 12 exam sco\\
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Nutrition & Performance Final Exam
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Nutrition & Performance Final ExamT/F: It takes multiple exercise sessions to activate the genes that produce GLUT-4
receptors. - ANS-False
T/F: During illness or periods of extreme stress for athletes, conditionally essential
amino acids may become essential. - ANS-True
Amino acids are involved in what 2 roles? - ANS-1. Metabolism
2. Tissue
What are the 3 BCAA? - ANS-1. valine
2. leucine
3. isoleucine
Saturated fats are primarily found in? - ANS-Animal food sources
T/F: Arachidonic acid promotes inflammation in the body. - ANS-True
If an endurance athlete is consuming 2g/kg per day of PRO, and an additional 2g/kg per
day of FAT, how many total kcals per day (PRO+FAT) is this athlete ingesting (body
mass = 75kg)? - ANS-1950 kcals
T/F: Casein is a plant-based protein - ANS-False; it contains dairy
Milk protein is 80% casein
As metabolic by-products of fat oxidation, ______________ levels increase during
prolonged fasting. - ANS-Ketones
T/F: Milk protein is 80% casein - ANS-True
_________________ is the difference between MPS and MPB, leading to either a net
protein gain or loss. - ANS-Net protein balance
Of the Omega-3 polyunsaturated fatty acids, which are the most beneficial? (2) -
ANS-EPA and DHA
, T/F: In the US the ratio between omega-3 and omega-6 fatty acids is approximately
1:15 - ANS-True
L -Carnitine is made up of which amino acids? - ANS-lysine and methionine
What is the difference between whey concentrate and isolate? - ANS-Concentrate -
contains lactose
Isolate - does not contain lactose
List the major dietary lipids. - ANS-1. Triglycerides
2. Sterols
3. Phospholipids
Fat may be a significant source of energy during exercises of low intensity and long
duration. What is the main form of fats used for energy production during low-intensity
exercise? - ANS-FFA from adipose tissue and muscle cells
T/F: Most of the vitamin B complex functions as hormones. - ANS-True
T/F: The main purpose of pantothenic acid is the synthesis of acetyl CoA. - ANS-True
T/F: Vitamin B-12 is a powerful antioxidant. - ANS-False
Though this vitamin does not improve exercise performance, it may benefit an athlete
indirectly by reducing muscle damage and oxidative stress. - ANS-Vitamin C
Vitamin supplementation does not improve athletes' performance. However, athletes
often inject which of the following vitamins prior to competition? - ANS-Vitamin B-12
For most athletes who are exercising for less than an hour or not losing significant
amounts of weight during exercise, the best beverage for replacing fluid losses is
_________. - ANS-Water
A sports drink may be indicated when exercise surpasses 60 min or if weight loss is
greater than _____ % of initial body weight during a workout. - ANS-2%
While special consideration should be paid to ensuring adequate hydration during
exercise, it is also possible to over consume water, which in turn leads to
____________. - ANS-hyponatremia
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