Chapter 13

Question 1

Which of the following statements is true of essential trace minerals in general

Answer 1

They can be found in a wide variety of foods

Question 2

Which of the following foods provides iron in the most absorbable form ?

Answer 2

Chicken

Question 3

Which of the following statements is true about zinc lozenges and the common cold

Answer 3

Zinc lozenges may shorten the duration but not the severity of common cold symptoms

Question 4

Iodine plays an integral part in which hormone? What other nutrient deficiency is common among people with iodine deficiency

Answer 4

Thyroid hormone and iron

Question 5

An important function of selenium is to ______, selenium works in tandem with _____ to block formation of free radicals

Answer 5

Prevent free radical formation and Vitmain e

Question 6

Which of the following is not true if manganese

Answer 6

Deficiencies are very common

Question 7

Which of the following is true of fluoride

Answer 7

Makes teeth stronger and more resistant to decay

Question 8

Which of the following is not a function of chromium

Answer 8

It is involved in protein metabolism

Question 9

Which of the following is true of molybdenum

Answer 9

A cofactor for several metalloenzymes

Question 10

Trace minerals contents of foods will vary with soil and water consumption

Answer 10

True

Question 11

Infants are more vulnerable to trace mineral deficiencies because their growth is rapid and intake varies

Answer 11

True

Question 12

It is possible that interactions between trace minerals can lead to nutrient imbalance. An excess of one may cause a deficiency of another.

Answer 12

Both statements are true

Question 13

Component of hemoglobin
Component of enzymes
Essential for cellular metabolism
Occurs in two forms

Answer 13

Iron

Question 14

Mucosal cells in the small intestine store excess iron in _______, when the body needs iron, it is released and transported by _______

Answer 14

Ferritin/transferritin

Question 15

Hormone that maintains blood iron levels within normal range by limiting absorption and controlling release

Craving and consumption of non food substances

Iron overload due to enhances iron absorption

Severe depletion of iron stores that results in low hemoglobin concentrations

A peptide released during the digestion of meat, fish, and poultry that enhances non heme iron absorption

Answer 15

Hepcidin

Pica

Hemochromatosis

Iron deficiency anemia

MFP factor

Question 16

Cofactor for 300 enzymes
Necessary for normal development and function of the immune system
Recycled via enteropancreatic circulation
Toxicity may occur at doses of more than 50 mg per day

Answer 16

Zinc

Question 17

Consuming diets with foods high in _______ limits bioavailability of iodine

Answer 17

Goitrogens

Question 18

Meats food poultry

Meats foods poultry

Iodized salt

Legumes, whole grains, nuts, shellfish, seeds

Fluoridated water

Answer 18

Iron

Zinc

Iodine

Copper

Fluoride

Question 19

Minerals that enter the food supply through soil, water and air pollution

Disrupt body processes and impair nutrition status
Impair body’s growth, work capacity and general health
Examples include mercury, lead, and cadmium

Answer 19

Contaminate water