Question 1

Which of the following is NOT a good source of heme iron?

Accepted Answer

A) Beef 
B) Chicken 
C) Salmon 
D) Spinach

Question 2

Which of the following is a copper-containing plasma protein that converts iron to a form that can be transported and stored?

Accepted Answer

A) Ceruloplasmin 
B) Ferritin 
C) Hemoglobin 
D) Transferrin

Question 3

What role does chromium play in glucose uptake into cells?

Accepted Answer

The answer of What role does chromium play in glucose...

Question 4

One form of the enzyme superoxide dismutase (SOD),which has antioxidant properties,contains the trace element __________.

Accepted Answer

A) iron 
B) copper 
C) sulfur 
D) sodium

Question 5

The best dietary sources of manganese are:

Accepted Answer

A) fruits and vegetables. 
B) nuts and whole grains. 
C) meats. 
D) dairy products.

Question 6

Iodine deficiency during childhood and adolescence has been known to cause:

Accepted Answer

A) premature baldness. 
B) impaired mental function. 
C) cancer risk in later life. 
D) sudden death.

Question 7

The primary role of iodine in the body is:

Accepted Answer

A) as an antioxidant. 
B) as a cofactor in hemoglobin synthesis. 
C) as a component of thyroid hormones. 
D) participation in carbohydrate metabolism

Question 8

Which statement is FALSE regarding the function of zinc in the body?

Accepted Answer

A) Zinc is a cofactor for many enzymes. 
B) Zinc is needed for development of sex organs. 
C) Zinc is needed for growth and tissue repair. 
D) Zinc is needed for synthesis of vitamin E.

Question 9

Iodine deficiency often causes an enlarged thyroid gland resulting in:

Accepted Answer

A) blockage of arteries leading to the heart. 
B) a Dowager's hump. 
C) a goiter. 
D) shortness of breath.

Question 10

Iron stores that are higher than normal but not at a toxic level may be associated with:

Accepted Answer

A) an increased risk of cancer and heart disease. 
B) hyper-hemoglobinemia. 
C) an improved immune system. 
D) increased stamina and endurance.

Question 11

Which population groups would benefit the most from fluoridation of the water? Why?

Accepted Answer

The answer of Which population groups would benefit the most...

Question 12

___________ is a component of the antioxidant enzyme gluthathione peroxidase.

Accepted Answer

A) Molybdenum 
B) Nickel 
C) Selenium 
D) Boron

Question 13

Most of the fluoride in the U.S.comes from:

Accepted Answer

A) drinking water and toothpaste. 
B) dark green and yellow vegetables. 
C) tea. 
D) seafood and treated salt.

Question 14

Iron is a component of the protein,______ that binds and transports oxygen in the bloodstream.

Accepted Answer

A) ferritin 
B) albumin 
C) hemoglobin 
D) myoglobin

Question 15

Marginal chromium deficiency has been linked to:

Accepted Answer

A) breast cancer. 
B) polio. 
C) strokes. 
D) type 2 diabetes.

Question 16

___________ is not a component of an antioxidant enzyme.

Accepted Answer

A) Copper 
B) Iodine 
C) Selenium 
D) Zinc

Question 17

The symptoms of zinc deficiency include all of the following EXCEPT:

Accepted Answer

A) hair loss. 
B) impaired reproduction. 
C) anemia. 
D) reduced immune function.

Question 18

Which of the following is a true statement about iron requirements?

Accepted Answer

A) The RDA for young adult women is higher than the RDA young adult men. 
B) For adolescents 14 to 18 years-of-age,the RDA is the same for males and females. 
C) Iron requirements increase after menopause. 
D) Babies should not be fed iron-containing formulas,because of the risk of toxicity.

Question 19

_______________ is an inherited condition that causes individuals to absorb and accumulate too much iron.

Accepted Answer

A) Hemochromatosis 
B) Hematocrit absorption syndrome 
C) Hyperferritosis 
D) Reverse anemia

Question 20

When the intake of __________ is high,copper absorption into the blood is inhibited.

Accepted Answer

A) iodine 
B) fluoride 
C) chromium 
D) zinc

Exam 12: The Trace Minerals