About 25 percent of teens' energy intake is supplied by snacks; therefore, adolescents should ensure that their snacks are ____

a. high in protein.
b. kept to a maximum of two 100-kcal items daily.
c. nutrient dense.
d. sweetened artificially instead of with sugars.
e. more salty than sugary.


Ans: c. nutrient dense.

Nutritional Science

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Which of the following has the highest glycemic index value?

A) instant mashed potatoes B) ice cream C) white rice D) apples

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Enzymes from the ________ are responsible for the digestion of almost all the fat, half the protein, and half the carbohydrates you eat

A) liver B) gallbladder C) stomach D) pancreas

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As a "rule of thumb," which of the following best describes pre-event carbohydrate recommendations?

A) 100 g 2 hours prior B) 1 g/kg 1 hour prior, 2 g/kg 2 hours prior, 3 g/kg 3 hours prior C) 50% of the athlete's usual carbohydrate intake D) No "rule of thumb" as pre-event carbohydrate intake must be calculated precisely

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During prolonged exercise, there is a gradual shift from carbohydrate to fat as an energy source

Indicate whether the statement is true or false

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