Question 1

Which of the following foods contains heme iron?

Accepted Answer

A)  Green leafy vegetables
B)  Mushrooms
C)  Poultry
D)  Legumes

Question 2

Excess chromium is excreted:

Accepted Answer

A)  through sweat.
B)  via the lungs.
C)  in the urine.
D)  in the feces.

Question 3

Whole grains and greens are excellent sources of iodine.

Accepted Answer

A) True 
 B)False

Question 4

Discuss why iodine deficiency is a significant public health problem worldwide. What can be done to solve this problem?

Accepted Answer

Iodine deficiency is a significant publi...

Question 5

Jack has no genetic disorders, does not consume excessive trace mineral supplements, and has not experienced environmental overexposure. Yet, he could still be at risk for developing either a deficiency or toxicity of which two trace minerals?

Accepted Answer

A)  Iron and iodine
B)  Selenium and molybdenum
C)  Copper and manganese
D)  Zinc and chromium

Question 6

What trace mineral other than copper is a cofactor for superoxide dismutase, an enzyme that protects cells from free radicals?

Accepted Answer

A)  Manganese
B)  Magnesium
C)  Iodine
D)  Chromium

Question 7

Iron is important for optimal growth and development because it is _____.

Accepted Answer

A)  a cofactor for synthesis of the neurotransmitter norepinephrine
B)  a cofactor for DNA synthesis
C)  a structural component of cell membranes
D)  a structural component of bone

Question 8

Which trace mineral is not an essential nutrient but has long been recognized for strengthening bones and teeth?

Accepted Answer

A)  Fluoride
B)  Magnesium
C)  Zinc
D)  Molybdenum

Question 9

Generally, fruits are not good sources of trace minerals. The exceptions are  _____.

Accepted Answer

A)  molybdenum and zinc
B)  copper and molybdenum
C)  chromium and manganese
D)  copper and selenium

Question 10

_______________ disease results from selenium deficiency.

Accepted Answer

The answer of _______________ disease results from selenium deficiency....

Question 11

The genetic condition _____ causes decreased absorption of a trace mineral and results in growth failure and red, scaly skin (especially around the scalp, eyes, and feet)  in infants.

Accepted Answer

A)  acrodermatitis enteropathica
B)  hereditary hemochromatosis
C)  cretinism
D)  Keshan disease

Question 12

Excess manganese is excreted:

Accepted Answer

A)  through sweat.
B)  via the lungs.
C)  in the urine.
D)  in the feces.

Question 13

Reducing agents increase the bioavailability of nonheme iron by _____.

Accepted Answer

A)  storing iron in the enterocyte until the body needs more iron
B)  binding ferrous iron to ferric iron
C)  making possible the transport of nonheme iron across intestinal membranes
D)  preventing hemochromatosis

Question 14

Which trace mineral was designated an essential nutrient because its deficiency in animals caused a diabetic-like state?

Accepted Answer

A)  Chromium
B)  Zinc
C)  Iodine
D)  Magnesium

Question 15

Acrodermatitis enteropathica causes decreased _____ absorption, and hence requires life-long supplementation of this mineral

Accepted Answer

A)  zinc
B)  selenium
C)  iodine
D)  copper

Question 16

What dietary and genetic factors can affect zinc’s bioavailability?

Accepted Answer

-Dietary factors: Bioavailability of zin...

Question 17

The best sources of selenium are:

Accepted Answer

A)  nuts, seafood, and meat.
B)  green leafy vegetables and fruit.
C)  olive oil, hard cheese, and red wine.
D)  milk, yogurt, and soft cheeses.

Question 18

Which of the following is a general characteristic of trace minerals?

Accepted Answer

A)  The amount of trace minerals in plant-based foods is consistent regardless of the mineral content of soil and water.
B)  The amount of trace minerals present in foods is influenced by the cooking method and the length of the cooking process.
C)  Trace minerals are circulated from the GI tract to the liver and throughout the body.
D)  Toxicities from excess consumption of trace minerals from some food sources are common.

Question 19

Which one of the following is the regulation site for iodine and selenium?

Accepted Answer

A)  Stomach
B)  Small intestine
C)  Kidneys
D)  Liver

Question 20

Which of the following is an example of a chelator that binds nonheme iron, making it unavailable for absorption?

Accepted Answer

A)  Polyphytates
B)  Phenosorbates
C)  Phenolphytates
D)  Polyphenols

Exam 13: The Trace Minerals

What dietary and genetic factors can affect zinc’s bioavailability?

Correct Answerverified-Dietary factors: Bioavailability of zin...View AnswerShow Answer

Excess manganese is excreted:

Correct AnswerverifiedShow Answer

Acrodermatitis enteropathica causes decreased _____ absorption, and hence requires life-long supplementation of this mineral

Correct AnswerverifiedShow Answer

Which one of the following is the regulation site for iodine and selenium?

Correct AnswerverifiedShow Answer

Reducing agents increase the bioavailability of nonheme iron by _____.

Correct AnswerverifiedShow Answer

Iron is important for optimal growth and development because it is _____.

Correct AnswerverifiedShow Answer

Whole grains and greens are excellent sources of iodine.

Correct AnswerverifiedShow Answer

Generally, fruits are not good sources of trace minerals. The exceptions are _____.

Correct AnswerverifiedShow Answer

Discuss why iodine deficiency is a significant public health problem worldwide. What can be done to solve this problem?

Correct AnswerverifiedIodine deficiency is a significant publi...View AnswerShow Answer

Which trace mineral is not an essential nutrient but has long been recognized for strengthening bones and teeth?

Correct AnswerverifiedShow Answer

Excess chromium is excreted:

Correct AnswerverifiedShow Answer

Which of the following is a general characteristic of trace minerals?

Correct AnswerverifiedShow Answer

Jack has no genetic disorders, does not consume excessive trace mineral supplements, and has not experienced environmental overexposure. Yet, he could still be at risk for developing either a deficiency or toxicity of which two trace minerals?

Correct AnswerverifiedShow Answer

What trace mineral other than copper is a cofactor for superoxide dismutase, an enzyme that protects cells from free radicals?

Correct AnswerverifiedShow Answer

The genetic condition _____ causes decreased absorption of a trace mineral and results in growth failure and red, scaly skin (especially around the scalp, eyes, and feet) in infants.

Correct AnswerverifiedShow Answer

Which of the following is an example of a chelator that binds nonheme iron, making it unavailable for absorption?

Correct AnswerverifiedShow Answer

The best sources of selenium are:

Correct AnswerverifiedShow Answer

Which of the following foods contains heme iron?

Correct AnswerverifiedShow Answer

_______________ disease results from selenium deficiency.

Correct AnswerverifiedShow Answer

Which trace mineral was designated an essential nutrient because its deficiency in animals caused a diabetic-like state?

Correct AnswerverifiedShow Answer

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-Dietary factors: Bioavailability of zin...
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Iodine deficiency is a significant publi...
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