Exam 1: The Science of Nutrition

Jen is considering following a 1500-kcalorie diet that includes 500 kcalories from carbohydrates This diet _____

The __________ is the phenomenon in which study results are influenced by an unexpected alteration of a behavior by the study participants

You have just purchased a food containing 9 grams of protein, 6 grams of fat, and 13 grams of carbohydrate per serving Each serving contains:

Refer to the figure to answer questions -According to the figure, the infant mortality rate decreased:

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

Scientists use many techniques to decrease bias in studies What do scientists call the technique in which the participants do not know if they are receiving the actual treatment or a fake?

What are the major health-related nutrition issues in the US, and what actions could individuals take to improve the situation?

Mia is a participant in a human intervention study designed to test the effectiveness of losing weight by eating a diet that contains 25% of one's required kcalories from fat Because she is in this study, Mia has decided to increase the amount of exercise she gets and to reduce the amount of beer she drinks Mia's behavior is an example of _____

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?

Vitamins and minerals are organic chemicals

What are some of the questions that should be asked before one accepts a finding as (true)?

Which of the following is an example of an environmental factor that influences health?

At the turn of the 20th century, _____ diseases were the leading causes of death, rather than _____ ones

In an __________, the relationship between two factors is influenced or modified by another factor

All nutritional scientists are dietitians

Epidemiologic studies investigate causal relationships

After making a precise observation, the next step in testing theories using the scientific method would be to _____

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

A behavioral component of our lives over which we may or may not have control (such as diet and exercise) is termed a __________

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 _____