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Exam 1: What Is Nutrition

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Question 51

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The "gold standard" of research experiments is the double- blind, placebo- controlled study.

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Question 52

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An idea generated by scientists based on their observations is a hypothesis.

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Question 53

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Only the energy nutrient carbohydrate contains the element nitrogen.

The part of plant foods that isn't digested in the small intestine is fiber.

Discuss how our cultural background influences our food choices. Give specific examples.

Fats, proteins, and carbohydrates are organic nutrients that provide energy.

Which of the following questions is important to ask when you view a nutrition- related website?

Mutton is a staple in the diet of which ethnic group?

If a study is done on lab animals, the results are not relevant to humans.

A person with a BMI of 28 or higher is obese.

If a scientist wants to design an experiment to measure the effect of vitamin C on colds, which would be an appropriate placebo?

Epidemiological research looks at factors in two or more subject groups to see if there is a relationship to a certain disease or another health outcome.

Which nutrient class is used to build body tissues and make enzymes?

What is the difference between a macronutrient and a micronutrient?

There are five classes of nutrients.

Fish is a staple in the diet of which ethnic group?

What is the primary reason a food becomes a favorite?