NTR 222 Exam 1: Questions & Answers
1 cup of sliced avocado has 708 mg of potassium and 234 calories. A
banana has 422mg of potassium and 105 calories. Both are good sources
of potassium-but which is more nutrient dense?
(Ans- Banana
The food label ingredients list is helpful in determining if a food:
(Ans- is a whole grain
The RDA’s for vitamins and minerals are set:
(Ans- above the estimated average requirement (EAR) to ensure that the
majority of the population’s needs are covered
There is (are) _________ RDA’s for any specific nutrient for
adults.
(Ans- more than one based on gender, age, and stage of life
The macronutrient distribution range for carbohydrate is:
(Ans- 45-65%
Two nutrients are not already on the label that will be required on the new
food label are:
(Ans- potassium and vitamin D
On the new food label:
(Ans- serving sizes will be more realistic to reflect what people actually eat
54 calories of fat is equal to __ grams of fat.
(Ans- 6
Enzymes that digest nutrients in the small intestine come from the:
(Ans- pancreas and the intestinal cells
The _____________ keeps food from going into the trachea
after swallowing.
(Ans- epiglottis
The U.S. Dietary Guidelines recommend that people should eat:
(Ans- at least half of your grains as whole grains
____________________ are macronutrients.
(Ans- proteins
A _______________________ is less likely to reflect recall
bias than other forms of dietary assessment.
(Ans- food record
A limitation of the food frequency questionnaire is that it does not give a
good indication of:
(Ans- the number of calories a person is eating
Researchers report that people who reported eating a Mediterranean style
diet had a 3% prevalence of heart disease while people who reported
eating a fast food diet had a 6% prevalence of heart disease. They reported
that a fast food diet was associated with double the risk of heart disease.
This “double risk” is an example of:
(Ans- relative risk
The type of statistic from a study that provides the most accurate
information on someone’s risk of getting a disease is:
(Ans- absolute risk
A clinically significant finding in a research study means that:
(Ans- The effects on the participants made a meaningful difference in their
health
Participants in a study all have an equal chance of getting assigned to the
exercise group in which they are instructed to increase their activity levels
or to the control group where they are asked not to change their activity
level. When the study is over, any differences between the group can be
reported as:
(Ans- cause and effect
Social bias in a study refers to the phenomenon that in self-reports of
eating and other lifestyle habits, people may
(Ans- tell the researchers what they thing they want to hear in order to
please them
Participants in a study examining vitamin D supplements and muscle
strength are asked about their use of vitamin D supplements. The
researchers measure the participants’ muscle strength. The researchers
then compare people with higher intake of vitamin D to people with low
vitamin D intake to see if there are differences in the muscle strength
between the two groups. When the study ends, it will be able to show:
(Ans- If taking vitamin D supplements is associated with muscle strength
What nutrients are categorized as micronutrients?
(Ans- minerals and vitamins
How many calories are found in one gram of protein?
(Ans- 4
Which nutrients are categorized as macronutrients?
(Ans- carbohydrates, proteins, and fats
Estimated Average Requirement (EAR)
(Ans- the average daily amount of a nutrient that will maintain a specific
biochemical or physiological function in half the healthy people of a given
age and gender group