Nutrition Chapter 12

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

In what country was Zinc deficiency first discovered?

Iran

Adding fluoride to water can safely prevent _____.

dental caries

What is the best food source for iodide

Iodized salt, 1/2 tsp

What is the adult RDA for iodide?

150 mcg/day

What is the RDA for iron in women under the age of 50?

18 mg/day

The UL for zinc is _____ mg per day.

40

The UL for selenium is _______ µg/day.

400

_______ is a condition in which the body does not have enough healthy red blood cells and oxygen transport in the blood is impaired.

Anemia

Select food sources of selenium that could be consumed by a vegan.

Brazil nuts. baked beans

Select food sources for chromium.

Broccoli. Whole-grain Bread. Potatoes

Evidence is inconclusive on the role of selenium-rich diets in lowering risk for which of the following?

Cancer. Heart disease

Which of the following are functions of zinc?

Cofactor for more than 50 enzymes. DNA synthesis

Recall that selenium is a component of several

Enzymes

Accidental consumption of _____ supplements is the leading cause of death due to poisoning in children under the age of 6.

Iron

What is the leading cause of accidental death due to poisoning in children under age 6?

Iron

Selenium functions within the body as a component of several proteins referred to as ______.

Selenoproteins

True or false: Fluoridated water over a lifetime may reduce a person's likelihood of tooth decay by 25%.

True

True or false: Trace minerals that have yet to have a clearly identified function in humans include boron, nickel, vanadium, arsenic, lithium, and silicon.

True

Chromium levels in plant foods

are reflective of chromium content in the soil.

Select rich food sources of zinc.

beef roast. Oysters. baked beans.

Which of the following foods contain goitrogens?

cabbage. brussels sprouts. cauliflower.

Exceeding the UL for zinc may result in

depressed immune system function. lowered HDL cholesterol levels. diarrhea.

Choose the functions of iron.

growth. immune function. wound healing. energy metabolism. Reproduction.

Fluoride is not considered an essential nutrient because

it is not require for growth. it does not sustain life.

Americans typically consume ______ the RDA of 0.9 mg/day for copper.

more than

Chromium is important for the metabolism and storage of ______.

protein. lipid. carbohydrate

Anemia is a condition where the body does not have enough healthy

red blood cells.

Soy products, turnips, and broccoli all contain compounds that

reduce thyroid production

Soy products, turnips, and broccoli all contain compounds that

reduce thyroid production.

Zinc is readily found in which of the following foods?

roast beef. baked beans

To prevent dental fluorosis children should

spit out excess fluid. rinse with water after brushing teeth. use a pea-sized amount of toothpaste.

What are causes of fluorosis in children?

swallowing dental rinses. swallowing toothpaste

Which of the following terms best describe the mineral molybdenum?

trace. essential.

Food crops can be sources of organic arsenic as plants acquire the mineral naturally from

volcanic eruptions, soil deposits, normal erosion

Which of the following are good sources of copper?

whole grains. seeds. organ meats.

Manganese supports enzymes that assist in

wound healing. metabolism. bone formation.

Which of the following groups has marginally adequate intakes of iodine?

young American women

Which of the following minerals are trace minerals?

Copper. Iron. Manganese

What is the function of Chromium?

Enhances the effect of insulin. Glucose regulation

True or false: Conclusive evidence suggests that selenium, an antioxidant, has been show to significantly reduce the risk of cancer.

False

_____is the major storage form of iron that also helps regulate iron absorption.

Ferritin

Cavities can be prevented by consuming ______.

Fluoride

Which of the following is not considered an essential nutrient?

Fluoride

________ can remineralize the tooth surface and prevent cavities.

Fluoride

_______ is an enlargement of the thyroid gland as a result of an iodine deficiency.

Goiter

Consuming high amounts of the _______ form of arsenic can cause health problems such as cancer.

Inorganic

Chromium may help with the function of which hormone?

Insulin

______ is a necessary trace mineral for oxygen delivery and immune function.

Iron

________ is a necessary trace mineral for oxygen delivery and immune function.

Iron

_______ is an important activator of many enzymes that play roles in wound healing, metabolism, bone and cartilage formation and antioxidant function.

Manganese

What is the main source of heme iron?

Meat

Zinc deficiencies were first observed in diets high in unleavened breads. The food group they were most likely to lack that contributed to the zinc deficiency was ______

Meat

Which of the following are good dietary sources of iodine?

Milk. saltwater fish. seaweed

Which of the following is a cofactor of four enzymes including sulfite oxidase and xanthine oxidase?

Molybdenum

If an individual ate primarily locally produced foods, which location would have the least likelihood for developing goiter?

San Diego, CA

Exceeding the daily UL for selenium can lead to toxicity, known as ________.

Selenosis

What is the most common method for assessing an individual's iron status?

Serum ferritin concentration

What happens when the body has adequate iron stores?

The absorptive cells of the small intestine make ferritin which blocks iron absorption.

What gland uses iodine?

Thyroid gland

Select the primary function of iodine

Thyroid hormone synthesis

______ _______ _______ is the ratio of blood transferrin receptor to ferritin.

Total Body iron

________ minerals perform vital roles in the body although the body only requires consumption of less than 100mg/day.

Trace

Select the food source that provides the most selenium per serving.

Tuna, 3 oz

Which of the following minerals may have physiological roles in the body but since their roles are not clear, they have not been classified as essential nutrients?

Vanadium, Arsenic, Nickel

Zinc is necessary for which of the following?

Wound healing

The RDA for iron is highest for

a 30-year-old woman.


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