nutrition chapter 13

What is the primary mechanism associated with the role of fluoride in prevention of dental caries

Fluoride becomes incorporates into the crystalline structure of teeth making them less susceptible to decay

all the following are known to reduce the absorption iron except

MFP factor

Keshan disease results from a deficiency of

Selenium

What nutrient has functions similar to those of vitamin E

Selenium

Characteristic of lead in the body

blood concentrations correlate with low IQ scores

Chief function of chromium is participation in the metabolism of

carbs

What mineral is part of vitamin B12

cobalt

The rare genetic disorders Mekes disease and Wilsons diseases result from the abnormal utilization of

copper

A woman with a severe iodine deficiency during pregnancy may give birth to a child with a. anemia. b. rickets. c. cretinism. d. allergies

cretinism

Characteristics of manganese in nutrition include all the following except

deficiencies are seen primarily in the elderly

What is the function of the MFP factor

enhances iron absorption

Which of the following conditions is known to lead to copper deficiency

excess zinc

What food provides iron in the most absorabable form

hamburger

Chromium deficiency is characterized by

hyperglycemia

What is the response of the thyroid gland to an iodine deficiency

increase in its size to trap more iodine which can result in a goiter

Most common cause of iodine deficiency is

insufficient intake of iodine from foods.

As far as is known, what hormone is dependent upon chromium for optimal activity? a. Renin b. Gastrin c. Insulin d. Antidiurectic hormone

insulin

What is a feature of copper in nutrition

involved in collagen synthesis and wound healing

Which of the following foods should be especially limited in the diet of individuals with hemochromatosis

iron-fortified cereals

the erythrocyte protopotphyrin level is used as an indicator of

late iron deficiency

An enzyme in which zinc or copper is an integral part of its structure is classified as a(n) a. metalloenzyme. b. oxidoreductase. c. cytochromidase. d. metallothionase

metalloenzyme

Richest source of iodine

seafood/seaweed

In the body, lead is known to significantly interfere with utilization of all of the following minerals except a. iron. b. zinc. c. calcium. d. selenium

selenium

A person ingesting large amounts of thyroid antagonist substances is at high risk of developing a. cretinism. b. simple goiter. c. high blood T3 levels. d. high blood thyroxine levels

simple goiter

Which is a characteristic of the trace minerals

the amounts in foods are dependent, in part, on soil composition

What is a characteristic of chromium in nutrition

whole grains represent an excellent source