Exam 1: The Science of Nutrition

Like vitamins, _____cannot be used for energy, although many are involved in energy-producing reactions.

All nutrients primarily play a structural role in the body.

When a change in variable A is related to a change variable B, but researchers suspect variables C and D are also contributing to the change in B, the relationship between A and B is described as a(n) __________.

The major nutrition issues in the U.S.are now _____ and _____.

In applying the scientific method, it is important that the observation is _____ and _____.

The Framingham Study investigated the relationship between lifestyle factors and which other variable?

Which of the following ingredients in a box owould contribute macronutrients to one's diet?

Since 2005, there have been several outbreaks of foodborne illnesses that have made people sick and resulted in the deaths of some. Why don’t scientists simply conduct intervention studies rather than those that are epidemiologic when some foods are thought to be contaminated so that they can be sure which foods are at fault and remove them from the food supply promptly?

Studying phenomena within living organisms is referred to as studies conducted _____.

Which of the following publications is the preferred source for reputable information about nutrition and other sciences?

Researchers estimate that ______% of adults in the U.S. aged 20 and over are either overweight or obese.

In the U.S., the __________ is responsible for monitoring health trends and compiling health-related statistics.

In your intervention study, group A received a nutrient supplement, while group B received a capsule that did not contain that nutrient. Group B received a placebo.

Someone who eats a diet that contains very little fat could be at risk for developing a deficiency of which vitamin?

The number of people who are newly diagnosed with a disease in a given period of time is referred to as the _____ of that disease.

A peer-reviewed journal contains articles that were read and “approved” by a group of scientists knowledgeable in that area of study.

Gram per gram, which of the following provides the most Calories?

Why is it recommended that people meet their nutritional needs by eating a variety of foods rather than by taking several supplements?

What guidelines should consumers use to make sound decisions about nutrition claims?

Since we know that if someone takes in more kcalories than they use they will gain weight, this is considered to be an example of a _____.