NTDT200 Chapter 1 Summative Quiz

Marnie is pregnant and taking vitamin A supplements to boost her immune system and prevent night blindness. However, she is concerned that she may be increasing the risk of serious birth defects in her unborn child. Which DRI would inform Marnie about the maximum amount of vitamin A she could consume without risk of side effects? a.) Upper Limit (UL) b.) Recommended Dietary Allowance (RDA) c.) Adequate Intake (AI) d.) Estimated Average Requirement (EAR)

a

Specific RDAs do NOT exist for which of the following population groups? a.) athletes b.) various age categories c.) pregnant women d.) males and females

a

The Acceptable Macronutrient Distribution Range (AMDR) recommends that 45% to 65% of total caloric intake come from carbohydrates. If Shawn consumes a 3000-kilocalorie diet, how many kilocalories should he obtain from carbohydrates? a.) 1350 - 1950 kilocalories b.) 900 - 1500 kilocalories c.) 1400 - 2000 kilocalories d.) 600 - 1050 kilocalories

a

What DRI value is expressed as a percent of total daily calories? a.) Acceptable Macronutrient Distribution Range (AMDR) b.) Estimated Average Requirement (EAR) c.) Adequate Intake (AI) d.) Recommended Dietary Allowance (RDA)

a

Which of the following chemicals provide health benefits and give plant foods their color, aroma, and flavor? a.) phytochemical b.) vitamins c.) proteins d.) minerals

a

Which of the following is NOT true about nutrition and disease risk? a.) consuming inadequate amounts of fruits and vegetables and other plant foods will not affect disease risk b.) consuming too much red meat and processed meats, refined grains, and added sugar in excess of calorie needs increases disease risk c.) what we eat strongly affects our risk of disease and an early death d.) diets emphasizing fruits and colorful vegetables, whole grains, and low-fat dairy, fish, and poultry decrease the risk of disease

a

Which of the following statements is NOT true about a randomized controlled trial? a.) the main purpose of this research design is to observe variables in a population b.) the subjects do not know which treatment they are receiving c.) the experimental group receives a treatment, while the control group receives a placebo d.) subjects are randomly assigned to an experimental group or a control group

a

Which of the following statements regarding RDAs is true? a.) as a person's intake of a nutrient decreases relative to the RDA, his or her risk of a deficiency increases b.) it is important to consume the RDA for each nutrient every day c.) the RDA for each nutrient is essentially equal to our requirement for that nutrient d.) if someone typically consumes less than the RDA for a nutrient, that person will develop a deficiency

a

Dietary excesses play a major role in promoting which type of diseases? a.) deficiency diseases b.) chronic diseases c.) infectious diseases d.) acute diseases

b

Which Dietary Reference Intake (DRI) standard is least effective when planning for adequate intake of nutrients in your diet? a.) Recommended Dietary Allowance (RDA) b.) Upper Limit (UL) c.) Acceptable Macronutrient Distribution Range (AMDR) d.) Adequate Intake (AI)

b

Which of the following is TRUE of both essential and nonessential nutrients? a.) they must be obtained from food b.) they are required for maintaining body functions c.) the body is unable to synthesize enough of them to meet its needs d.) our health will improve when we consume them regularly

b

Which of the following nutrients do NOT supply energy? a.) carbohydrates b.) vitamines c.) protein d.) fats

b

A peer-reviewed paper is one that: a.) has been distributed to the author's colleagues for comments prior to submitting it too a journal b.) reviews and summarizes the current knowledge on a specific topic c.) is critiqued by independent experts in the discipline to determine that the study followed the scientific method d.) is reviewed by the editorial staff of the publisher

c

Organic compounds that are required in small quantities belong to which class of nutrients? a.) fats b.) proteins c.) vitamins d.) trace minerals

c

What Dietary Reference Intake (DRI) value is used in setting the Recommended Dietary Allowances (RDAs)? a.) Acceptable Macronutrient Distribution Range (AMDR) b.) Estimated Energy Requirement (EER) c.) Estimated Average Requirement (EAR) d.) Adequate Intake (AI)

c

Which of the following is likely to be the LEAST credible source for nutrition information? a.) information found on the website of the Food and Drug Administration b.) information found on the website of the American Heart Association c.) information found on a website selling dietary supplements d.) an article published in a magazine that is written by a registered dietitatian

c

An experimental protocol requires that a nutrient deficiency be induced to assess its effects on memory. What is the most appropriate study design to use to address this question? a.) randomized controlled trial b.) epidemiological study c.) cell culture study d.) animal experiment

d

The study of nutrition does NOT typically involve which one of the following activities? a.) deterring how diet affects the risk of disease b.) deterring how a nutrient is broken down and excreted from the body c.) deterring how food pricing affects food purchases d.) determining if food additives used in commercial food packaging enter foods

d

What is the first step in the scientific process? a.) formulate hypotheses b.) ask questions c.) design experiments d.) make observations

d

Which of the following types of studies is NOT an experiment? a.) cell culture study b.) randomized controlled trial c.) animal study d.) epidemiological study

d