Exam 1: The Science of Nutrition

Macronutrients include carbohydrates, proteins, lipids, and _____.

What the term for substances in food thaused by the body for aone oenergy, structure, or regulation oin the body?

Approximately how much of a human’s total body weigh is water?

Nutrients considered essential must ____.

In the U.S. today, we are facing a rising incidence of illnesses that develop slowly and continue for a long time. Which term refers to this type of disease?

If you wanted to determine the relationships among age, gender, activity level, alcohol consumption, and body weight among the students attending the universities in your state, an _____ study would be appropriate.

Which of the following statements is an example of a “simple relationship”?

Researchers should not recommend that all children eat less to decrease their risk for obesity because the link between energy intake and risk of childhood obesity is _____.

A U.S. government agency certifies that foods labeled as "organic" are _____ as compared to foods not labeled as "organic."

For a given period of time, the morbidity rate refers to the number of deaths while the mortality rate relates to the number of illnesses.

The popcorn you ate contained 420 Calories and 200 of these were from fat. About what percent of the Calories came from fat?

Mark is a participant in a human intervention study that is testing the impact of selenium supplements on the performance of endurance athletes. Though Mark does not know if he is receiving selenium or an inactive sugar pill, he is sure that it is the tablet that he is taking that has helped him shave several minutes off his usual marathon time. What effect is Mark experiencing?

While you are studying the impact of increasing soy intake on bone health, some of your subjects decide on their own to begin to consume more cow’s milk because of their participation in the study. This phenomenon is the _____effect.

A __________ is a prediction about the relationship between variables.

The first step of the scientific method is to make an appropriate and accurate observation.

The nutrition researchers at Excellent State U conducted an epidemiologic study of the students’ consumption of snacks from campus vending machines. They found that most first-year students purchased snacks from the vending machines and that the average weight gain for first-year students was 15-25 pounds during the year. Which of the following is an appropriate conclusion?

The body’s cells transfer the chemical energy from the carbohydrates, proteins, and lipids in food into _____.

All nutritional scientists are dietitians.

You are studying disease incidence and prevalence in America. Overall, you would expect the 21st century to be characterized by increased _____ and _____.

Control groups in an intervention study do not receive the treatment or intervention.