Nutrition Exam 1

Max wants to increase his intake of vitamin C without taking a dietary supplement. When he shops for food, he reads Nutrition Facts labels. Which of the following kinds of information will help him choose foods that are the richest sources of vitamin C?

%DVs

Which of the following is true? *A diet that has a variety contains many different kinds of nutritious foods *According to scientific evidence, taking megadose of vitamins and minerals are a safe way to prevent many chronic diseases *Dietitians generally classify food as either "good" or "bad"

*A diet that has a variety contains many different kinds of nutritious foods

Which of the following is false? 1. fruit juices provide more fiber than whole fruit 2. most fruits and vegetables are naturally low in fat 3. vegetables are often goof sources of fiber 4. fruits and vegetables are sources of phytochemicals

1. fruit juices provide more fiber than whole fruit

A serving size of food contains 2 g carbohydrate, 16 g protein, 6 g fat, 2 mcg vitamin B12, and 60 mg iron. Bsed on this information, this food provides ___ kcal/serving.

126

Is zinc, glucose, caffeine, or pantothenic acid a phytochemical?

Caffeine

Most form of _____ are a source of energy for cells?

Carbohydrates

Which of the following structures normally prevents swallowed food from entering the larynx and trachea? 1. Epiglottis 2. Tongue 3. Voice Box 4. Pharynx

Epiglottis

Today, Meghan ate a casserole that contained 24 ounces of lemon-falvored yogurt, 16 ounces of cooked turkey, and 10 ounces of cooked noodles. According to MyPlate, she ate nothing from the food group includes: 1. Eggs 2. Grains 3. milk/milk products 4. fruit

Fruit

What compound is secreted by the human stomach

Gastric juice

The _____ helps form feces by absorbing excess water and some minerals from chyme.

Large Intestines

_____ is the sum of all chemical reactions that occur in living cells

Metabolism

According to the U.S food and drug administration, is tobacco classified as a dietary supplement?

No

Over a 2-year period, a team of scientists records the eating behaviors and physical activity patterns of a group of healthy 8-year-old children to determine whether these factors are associated with weight gain. This study is an example of a(n) ____ study.

Prospective

The amount of vitamin C that meets 98% of the population's need for the nutrient is the __ for the vitamin

RDA

Eating a high-salt diet in increases people's chances of developing high blood pressure. Thus, a diet that supplies excessive amount of salt is a ____ for high blood pressure. primary predictor dietary modulator risk factor hypothetical variable

Risk Factor

In chemistry class, Karl combines hydrochloric acid with a base called sodium hydroxide. This chemical reaction results in the formation of a _________.

Salt

Chyme is the

Semisolid liquid formed by the partial digestion of food in the stomach

Which behaviors is a known risk factor for heart disease? being physically active smoking cigarettes consuming excess vitamin C eating a high-fiber diet

Smoking cigarettes

______ includes farming techniques that do not deplete natural resources or harm the environment.

Sustainable agriculture

In 2010, did Americans eat more whole grains, total calories, red meats, or fresh eggs than in 1970?

Total calories

Does an essential nutrient need to be supplied by your diet

True

Kristan uses % DVs to help plan nutritious menus with various packaged foods. She should try to obtain at least 100% of the Daily Value for which of the following nutrients?

Vitamin C

Which does not supply energy for the body? fat alcohol carbohydrates vitamin D

Vitamin D

What is the most essential nutrient for life?

Water

Are alcoholics at risk for under nutrition?

Yes

Is it true that in some regions of the US, the traditional African-American diet may contain unhealthy amounts of fat and sodium

Yes

Derek takes protein supplements before and after his workouts. He told his workout partner that he became 200% stronger within a couple of months after he added the supplements to his diet. His report about the effects of the supplements is an example of a(n) ______.

anecdote

A substance that can protect a person's cells from being damaged or destroyed by certain harmful factors is an

antioxidant

The _____ of a food describes the extent to which the body is able to absorb the nutrients from the food and use them.

bio availability

A molecule forms when two or more atoms are attracted to each other and held together by

bonds

Having a control group enables researchers to

compare findings of the control group with those of the experimental group

Chyme moves from the stomach into the

duodenum

An ____ is an ion that can conduct electricity

electrolyte

Iron, Calcium, and Zinc are____

elements

An ____ is an compound that speeds up a chemical reaction

enzyme

Libby was born without salivary glands. As a result of this condition, she ____.

has trouble tasting foods

an _____ is an atom, or bonded group of atoms, that has a positive or negative charge.

ion

After being absorbed, most lipids become incorporated into chylomicrons and enter

lacteals within the villi

If you want to use fats that are not solid fats, should you use margarine or safflower oil?

safflower oil

The recommended dose of a vitamin 2.0 mg. Based on this information, a megadose of the vitamin would be ____.

20.0

Which is naturally a rich source of phytochemicals? Tuna carbs grapes luncheon meats

Grapes

Which of the following microbes is associated with the development of most stomach ulcers? 1. S. Aureus 2. C. Botulinum 3. E. Coli 4. H. pylori

H. Pylori

A primary function of the digestive system is the ___

breakdown of food into nutrients

Generally, epidemiological studies

cannot determine cause and effect relationships

The lining of the small intestine is covered with _____, tin, finger-like structures

villi

Is it unusual for similar studies, esically those involving human subjects, to have different findings

yes

A teaspoon of sugar supplies about 16 kilocalories, which is the same as ____ calories.

16,000

Which of the following is true 1. if you don't consume 100% of the daily values for nutrients, you have a high risk of developing nutritional deficiency disorders 2. Daily values are dietary standards developed for food labeling purposes 3. Nutrition facts labels provide information about amounts of ingredients in product recipes

2. Daily values are dietary standards developed for food labeling purposes

Some food guides classify dried beans and peas with____

seeds and nuts