NFS 1110 chapter 1
Which of the following statements about the typical American diet is true?
Intake of whole grains is low and more energy is consumed than expended.
Which one of the following statements describes a correct function of nutrients?
Lipids can be used as regulatory molecules.
Where do most people in the U.S.A. get their nutrition information?
Mass media, i.e., television, magazines and newspapers
Which of the following nutrients are NOT organic molecules?
Minerals
What is true about nutrients?
Nutrients must be supplied in the diet to support life.
Which one of the statements is true about our present eating habits?
Our modern food supply includes an endless assortment of eating options.
What information would determine the validity of a nutrition claim?
The study was published in peer-reviewed journals
Which of the following is NOT considered a macronutrient?
Vitamins
Which of the following is LEAST likely to affect food choices?
Weather
Which of the following conditions does NOT represent a state of malnutrition?
Weight loss as a result of increasing physical activity
A substance found in plants which cannot be made by the body and is not necessary to sustain life, but has healthful benefits, is:
a phytochemical
One important principle of a healthy diet is to eat a variety of foods. In this context, "variety" refers to:
choosing a variety of foods from within food groups as well as among food groups.
Processed foods and convenience foods tend to ______ compared to freshly prepared foods.
contain fewer nutrients provide more kcalories be higher in fat, sugar, or salt
Eating turkey on Thanksgiving is an example of making a food choice based on:
cultural and family background.
Consuming nutrient-dense foods helps to ensure a proper diet. One effective strategy is:
eating foods that have been minimally processed. consuming foods with a high nutrient content compared to the kcalories provided. limiting added fats and sugars.
Under-nutrition does not include:
eating too much saturated fat.
The discipline which explores the relationship between genetic variation and nutrition is called:
nutrigenomics.
Continued acceptance of a scientific theory depends on:
the ability of other scientists to duplicate the original research and results.
What is a placebo?
A fake medicine that is indistinguishable from the real thing.
Which is an example of anecdotal information?
A famous runner reports having more energy after eating a certain type of power bar.
What is true regarding the differences between a hypothesis and a theory?
A hypothesis is an educated guess and a theory is based on scientific study and reasoning.
Which of the following accurately describes a hypothesis?
An educated guess made to explain an observation.
What is TRUE about our food choices?
The foods we are exposed to as children influence what foods we eat as adults.
Which one of the following is viewed as the most valuable source of nutrition information?
advice from a registered dietitian
A processed food is defined as:
any food that has been changed from its natural state.
Which of the following classes of nutrients provide energy?
carbohydrates, proteins, lipids
One group of individuals (an experimental group) is asked to eat a diet higher in fruits, vegetables and dairy foods than is typical in the population, while a second group of individuals (a control group) is asked to eat a typical diet with lower amounts of fruits, vegetables and dairy foods. The two groups' blood pressure readings are monitored and compared. This is an example of a(an):
case-control study
Approximately 1000 college students were asked to keep a record of what supplemental vitamins they took and how many colds they had over the course of a year. The amount of vitamin C consumed was compared with the students' incidences of colds. This is an example of a(an):
epidemiological study.
Physiologic processes take place in the body to keep body temperature, heart rate, and blood sugar relatively constant. This stable state is called:
homeostasis
The energy provided by foods is measured in:
kilocalories.
The correct sequence of events in the scientific method is:
make an observation, develop a hypothesis, conduct the experiment, and form a theory.
A measure of the nutrient content of a food compared to its energy content is referred to as
nutrient density.
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:
placebo.
Which of the following food types is typically consumed by Americans today in excessive amounts?
salty and sugary
The recommendation to eat everything in "moderation" refers to:
selecting appropriate portion sizes