Biol 1322 quiz 1

The macronutrients include carbohydrates, lipids, and vitamins. T/F

False

Which of the following statements is incorrect regarding the energy-providing nutrients?

Most of your daily calories should come from protein.

Which of the following statements about supplements is false?

Supplements always produce the same positive health effects as those gained by eating foods.

Which of the following goals is not a proposed focus of Healthy People 2020?

Support food industry efforts to obtain favorable health claims on nutrition labels.

People who are poor can be overfed in energy nutrients but malnourished in vitamins and minerals T/F

True

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

a sugar pill that does not contain vitamin C

All of the following are correct about the typical American diet except that it is

high in fiber

Which of the following does nutritional genomics study?

how certain nutrients affect an individual's gene expression

It is not a good idea to change your diet based on a single study. T/F

true

Jane is sitting in the library, cramming for a nutrition test. She has eaten a plate full of brownies and is now ordering a pizza. Which of the following factors is probably affecting the way Jane is eating?

emotions

The group given a specific treatment during an experiment is called the

experimental group

The foods you eat do not affect the expression of genes in your cells. T/F

false

Which of the following is not a function of water in the body?

functions as a coenzyme

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

protiens

A double-blind placebo-controlled study is

research in which neither the subjects nor the scientists know which group received the treatment and which group received a placebo.

Which of the following substances is organic?

salts

Food insecurity is

the inability to satisfy the basic food needs of individuals.

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

true