Exam 1: Nutrition: Food for Health

Which of the following describes a hypothesis?

Comparison of the amount of a particular nutrient consumed with the amount of the nutrient excreted is characteristic of a(an):

Consuming nutrient-dense foods helps to ensure a proper diet.One effective strategy is:

Recently,Trevor received an e-mail forwarded to him by a friend.The e-mail warns all recipients of the dangers of an FDA approved artificial sweetener,which,according to the original author,is responsible for several types of cancer,mental illness,and several other serious ailments.The author uses several anecdotal stories as the basis for her assertions.Curious,Trevor does a search on the Internet for the author but cannot find any information about her. a)What do you think of unsolicited e-mail as a source of nutrition advice? b)How likely is it this one FDA approved product causes several different diseases? c)What else makes you wonder about the validity of the information? d)How might you use the Internet to get more information about the artificial sweetener in question? e)How can you tell if nutrition information in a letter,in an article,or on television is accurate?

What is true regarding the differences between a hypothesis and a theory?

Which of the following is likely to limit the availability of food?

Where do most people in the U.S.get their nutrition information?

The energy provided by foods is measured in:

What is the difference between a single-blind and a double-blind study? Why are double-blind techniques used?

Which of the following is NOT considered a macronutrient?

Physiologic processes take place in the body to keep body temperature,heart rate,and blood sugar relatively constant.This stable state is called:

Researchers are interested in whether caffeine has any effect on short-term memory.A study is designed in which two groups of subjects are given capsules that look identical.Group A receives capsules containing caffeine and Group B receives capsules containing powdered sugar.Group B is being given a:

Which of the following functions is performed by members of all six classes of nutrients?

Which is an example of anecdotal information?

The correct sequence of events in the scientific method is:

When subjects do not know which treatment they are receiving in a clinical trial,but the researchers do,the study is called:

_____________________ protects human subjects in a study and limits the types of procedures that can be performed on them.

Mrs.Sandoz' fourth grade class spent several class periods learning about nutrition.They learned about MyPyramid and how eating a healthy diet could benefit them.Mr.Danner's fourth grade class,in the same building,did not have a unit on nutrition.After the nutrition unit was finished in Mrs.Sandoz' class,researchers looked at the selections students made in the cafeteria and how much food was consumed and thrown away by each class to see if the nutrition education had an effect on the students' eating habits. a)What type of study was this? b)Which classroom was the control classroom? c)Which classroom was the experimental group? d)What other factors affect students' choice of food,besides what they know about health and food?

One important principle of a healthy diet is to eat a variety of foods.In this context,"variety" refers to:

In a controlled study,if neither the subjects nor the investigators know which subjects are receiving treatment,the study is called a(n)