Nutrition Chapter 13

Selenium sources

-Found in soil -Meats, milk, and eggs -Brazil nuts

People vulnerable to iron deficiency

-Women in reproductive years -Pregnancy -Infants and young children -Adolescence

Zinc RDA

8 mg/day for women 11 mg/day for men

Which of the following can be caused by iron defiency?

Anemia

-Found in animal foods -Higher bioavailability

Heme iron

Which of the following nutrients can play a role as antioxidants in the body?

Selenium

Crentinism

Mental retardation, stunted growth

Compounds found in plant-derived foods that have biological activity in the body

Phytochemicals

Which of the following would most likely result from an excessive intake of iodine?​

Thyroid gland enlargement

Which of the following is a characteristic of iron transport?​

Transferrin in the blood carries iron to the bone marrow

T or F: Most bottled waters lack fluoride

True

Is zinc an essential trace element?

Yes

Which of the following would be the most appropriate food source of iodide for a person who lives inland?​

​Iodized table salt

Lycopene is a phytochemical found in_________________

Tomatoes

Functional foods

-All foods that have a potentially beneficial effect on health --> whole, fortified, modified

Selenium roles in body

-Antioxidant -Part of proteins -Enzyme that activate or inactivate thyroid hormone

Copper sources

-Legumes -Whole grains -Nuts -Shellfish -Seeds -Water delivered through copper plumbing -Organ meats

Major heme iron sources

-Meat -Fish -Poultry

Absorption enhancers for nonheme iron

-Meat, fish, and poultry -Vitamin C -Some acids (HCL from stomach, lactic acid in foods) and sugars

-Found in plant and animal foods

-Nonheme iron

Sources of Zinc

-Protein rich foods --> Shellfish, meats, poultry, milk, and cheese

Which of the following foods provides heme iron which has higher bioavailability?​

Chicken

Which of the following is known to enhance iron absorption?​

Foods containing vitamin C

Contaminant minerals

Impair body's growth, work capacity, and general health

Goiter is caused primarily by a deficiency of​

Iodine

Which of the following is a characteristic of iron utilization?​

Most of the body's iron is recycled

Major difference of heme and nonheme iron

Nonheme iron found in both plant and animal foods; heme iron has higher bioavailability

Is selenium needed in small or large amounts?

Small