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What occurs when a person eats in excess ?


A) Fat cells multiply.
B) Fat cells enlarge.
C) Metabolism favors carbohydrate.
D) Metabolism favors protein.
E) Their energy needs increase temporarily.

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Of the total amount of carbohydrate energy consumed, approximately what percentage is used by the brain and nerve cells?


A) 10%
B) 30%
C) 50%
D) 90%
E) 100%

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Which of the following occurs with excess carbohydrate intake?


A) The carbohydrate is efficiently converted to body fat.
B) It spares oxidation of body fat and dietary fat.
C) Oxidation is decreased.
D) It causes the release of glycogen.
E) It causes the release of lactate.

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When a person performing intense physical exercise begins to feel fatigue and a burning pain in the muscles, the muscles respond by synthesizing more ____.


A) lactate
B) glucose
C) citric acid
D) fatty acids
E) galactate

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One way that all the energy-yielding nutrients are alike is that _____.


A) they produce energy through entirely different pathways.
B) they all go through the Cori cycle.
C) they have the same number of hydrogen bonds.
D) they share the same final metabolic pathway, the TCA cycle.
E) they have the same number of carbon-hydrogen bonds.

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In general, how long does it take the liver to process the alcohol in a typical drink?


A) 15 minutes
B) 30 minutes
C) 1 hour
D) 2 hours
E) 4 hours

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Explain what happens to protein, carbohydrate, and fat when consumed in excess.

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When a person eats excess carbohydrate, ...

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How many electrons are released in each turn of the TCA cycle?


A) 6
B) 8
C) 10
D) 16
E) 32

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