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Section IV: Metabolism of Carbohydrates

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Which of the following is a definition of glycemic index?

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A. The decrease in the blood concentration of glucagon after consuming the food compared with an equivalent amount of white bread.

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B. The increase in the blood concentration of glucose after consuming the food.

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C. The increase in the blood concentration of glucose after consuming the food compared with an equivalent amount of white bread.

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D. The increase in the blood concentration of insulin after consuming the food.

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E. The increase in the blood concentration of insulin after consuming the food compared with an equivalent amount of white bread.

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Which of the following is not a reducing sugar?

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A. Erythrose

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B. Fructose

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C. Galactose

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D. Glucose

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E. Ribose

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Which of the following is the composition of sucrose?

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A. O-α-d-galactopyranosyl-(1→4)-β-d-glucopyranose

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B. O-α-d-glucopyranosyl-(1→2)-β-d-fructofuranoside

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C. O-α-d-glucopyranosyl-(1→4)-β-d-glucopyranose

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D. O-α-d-glucopyranosyl-(1→1)-β-d-glucopyranoside

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E. O-α-d-glucopyranosyl-(1→6)-β-d-glucopyranose

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Which of the following is not a pentose?

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A. Fructose

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B. Ribose

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C. Ribulose

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D. Xylose

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E. Xylulose

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A blood sample is taken from a 25-year-old man after he has eaten three slices of toast and a boiled egg. Which one of the following will be at a higher concentration than if the blood sample had been taken after an overnight fast?

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A. Alanine

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B. Glucagon

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C. Glucose

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D. Ketone bodies

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E. Nonesterified fatty acids

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A blood sample is taken from a 40-year-old man has been fasting completely for a week, drinking only water. Which of the following will be at a higher concentration than after a normal overnight fast?

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