EXSS200 Exam1
cannot determine cause-and-effect relationships
Generally, epidemiological studies ________.
compare findings of the control group with those of the experimental group.
Having a control group enables researchers to
4-ouncechocolate doughnut
Per serving, which of the following foods is the most energy-dense?
placebos
Researchers are conducting a study to determine the effects of vitamin D supplementation on bone health in adults. The study involves providing pills that contain vitamin D to one group of human adults, and pills that do not contain the vitamin or other active ingredients to another group of adults. The pills that do not contain vitamin D are
false
The food plans available at www.choosemyplate.gov are based solely on age, sex, and estimated level of physical activity.
"All ingredients in this product have been scientifically tested and clinically proven to cure cancer."
The host of a radio program makes a "red flag" claim about a nutrition-related product, because the claim is generally an indication that the information about the product is unreliable. The radio program host said,
3
The label on a bag of salt-free pretzels indicates that the chips are "low-fat." This means the pretzels provide ________ gram(s) of fat or less per serving.
reduce child and adult consumption of calories from solid fats and added sugars.
To improve nutrition and weight status, a primary objective of Healthy People 2020 is to
Mental confusion and scaly skin sores
Which of the following are common signs or symptoms of pellagra?
In order for a dietary supplement to be on the market, all research studies on the supplement must show a beneficial effect on health.
Which of the following statements is FALSE?
Most foods are mixtures of nutrients.
Which of the following statements is TRUE?
Daily Values aredietary standards developed for food labeling purposes.
Which of the following statements is true?
Vitamin D
Which of the following substances is a nutrient that does NOT supply any energy for the human body?
1/2
According to the MyPlate guidelines, fruits and vegetables should account for about ________ of the food on a person's plate.
True
Dr. Joseph Goldberger's scientific finding about the cause of pellagra was not welcomed by members of the medical community.
The findings are not meaningful or valid because of the way she designed her study.
A scientist adds 5 mcg of the mineral cadmium to the daily diet of 100 4-week-old laboratory mice. After 12 weeks, the researcher weighs and takes blood samples from each mouse. According to her findings, the mice lost weight during the 12-week period, and they have abnormal levels of certain hormones in their blood. Based on this information and your knowledge of scientific research, what would you tell the researcher about her findings?
3 cups
According to MyPlate, Erika should consume 3 cups of milk daily. She prefers eating plain yogurt to drinking milk. How much plain yogurt can she eat to meet her plan's recommendation for milk and milk products?
2300
According to the 2015-2020 Dietary Guidelines for Americans, most healthy people should limit their daily sodium intake to less than ________ mg/day.
placebos
Researchers are conducting a study to determine the effects of zinc supplements on migraines in adults. The study involves providing pills that contain zinc to one group of human subjects, and pills that do not contain zinc or other active ingredients to another group of people. The pills that do not contain zinc are
UL for niacin was between 24 and 48 mg/day.
A group of 50 adult male humans were in a clinical study to determine how much niacin is toxic. During the first 2 weeks of the study, members of the group consumed only a formula diet that was nutritionally complete, except it contained 24 mgniacin, which is 1.5 times the RDA for niacin (males). At that point in the study, all members reported feeling fine, and they could function normally. During the next week, they were given a formula that contained 48 mg niacin. Within a few days of consuming this formula, 90%of the participants reported feeling ill, and they complained of having upset stomachs and flushing (redness) on their faces.At that point, researchers gave the subjects a formula that contained 16 mg niacin. After a week of consuming the new formula, all participants reported feeling well again. Based on this information, the researchers concluded that the
DRIs
A nutrition scientist wants to develop a nutritionally complete formula diet for adults who are healthy but need to avoid solid food for awhile. Based on this information, she is likely to refer to ________ when developing the new formula. MyPlate
enriched
A refined grain product that has iron, thiamin, riboflavin, niacin, and folic acid added to replace amounts lost during processing has been
Shift to healthier food and beverage choices.
Which of the following actions is one of the five overarching guidelines of Dietary Guidelines for Americans (2015-2020 version)?
Blueberries
Which of the following foods is naturally a rich source of phytochemicals?
Fat-free Milk
Which of the following foods is the most nutrient-dense per serving?
Leafy Greens
Which of the following foods is the most nutrient-dense per serving?
Nutrition information posted next to fresh fruits and vegetables
Which of the following is NOT a common marketing tactic to encourage consumers to purchase manufactured foods?
Provide fitness trails to increase physical activity of children and adults.
Which of the following is NOT a major nutrition-related objective of Healthy People 2020?
In general, registered dietitian nutritionists are reliable sources of nutrition information.
Which of the following statements is true?
In the United States, only registered dietitian nutritionists can provide nutrition information.
Which of the following statements is true?