Question 1

A low selenium diet has been most highly associated with:

Accepted Answer

A)  arthritis.
B)  cancer.
C)  dementia.
D)  diabetes.

Question 2

Iodine deficiency during pregnancy may cause ____________ in the offspring.

Accepted Answer

A)  cretinism
B)  neural tube defects
C)  fetal goiter syndrome
D)  hypoglycemia

Question 3

What is a goitrogen? What are common sources?

Accepted Answer

Goitrogens are substances in f...

Question 4

A naturally occurring molybdenum deficiency:

Accepted Answer

A)  has never been reported.
B)  is most common in the elderly.
C)  is more common in women than men.
D)  is becoming more and common.

Question 5

What factors influence copper absorption into the body?

Accepted Answer

Copper absorption is reduced b...

Question 6

What is the function of hemoglobin in the body?

Accepted Answer

Hemoglobin is an iron-containi...

Question 7

___________ is a component of the antioxidant enzyme gluthathione peroxidase.

Accepted Answer

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

Question 8

Which statement about manganese toxicity is FALSE?

Accepted Answer

A)  Toxic levels can occur in mineworkers exposed to manganese dust.
B)  Manganese toxicity damages the nervous system.
C)  Manganese toxicity is not the result of eating manganese-containing foods.
D)  Manganese toxicity is a common cause of birth defects.

Question 9

If the initiative does not pass and fluoride is not added to the drinking water,what are other means by which the dental health of children in the community could be protected?

Accepted Answer

The American Academy of Pediatrics sugge...

Question 10

Which is the true statement about iron loss?

Accepted Answer

A)  When red blood cells die,the iron in the cells is excreted.
B)  Most loss of iron from the body is associated with blood loss.
C)  There is significant loss of iron through the urinary tract.
D)  Iron from red blood cells binds to calcium and is excreted through the large intestine.

Question 11

Marginal chromium deficiency has been linked to:

Accepted Answer

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

Question 12

Which of the following statements about Keshan disease is FALSE?

Accepted Answer

A)  A virus appears to be involved.
B)  It causes an enlarged heart and poor heart function.
C)  Middle aged men are most at risk.
D)  Keshan disease occurred in areas of China where soil selenium is very low.

Question 13

_______________ 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 14

Manganese homeostasis is maintained through:

Accepted Answer

A)  excretion by the kidneys.
B)  no controlled process.
C)  regulation of absorption and excretion in the bile.
D)  competition with other minerals.

Question 15

Why is fluoride commonly added to drinking water?

Accepted Answer

Fluoride is essential for bone and denta...

Question 16

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 17

Identify the most accurate statement regarding copper.

Accepted Answer

A)  Copper deficiency usually causes iron-deficiency anemia.
B)  Copper deficiency may result in zinc deficiency.
C)  High copper intake can cause osteoporosis.
D)  Copper excess may cause changes in hair color.

Question 18

Which is the most sensitive indicator of iron stores in the body?

Accepted Answer

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

Question 19

The following are physiologic roles of copper EXCEPT:

Accepted Answer

A)  connective tissue synthesis.
B)  maintenance of heart muscle.
C)  normal sexual development.
D)  functioning of the central nervous system.

Question 20

Which of the following is NOT a true statement?

Accepted Answer

A)  Cooking in iron skillets can provide dietary iron.
B)  Vitamin C enhances iron absorption.
C)  Phytates in cereal enhance the absorption of iron.
D)  Calcium supplements decrease iron absorption.

Exam 12: The Trace Elements

Iodine deficiency during pregnancy may cause ____________ in the offspring.

Correct AnswerverifiedShow Answer

What is the function of hemoglobin in the body?

Correct AnswerverifiedHemoglobin is an iron-containi...View AnswerShow Answer

A naturally occurring molybdenum deficiency:

Correct AnswerverifiedShow Answer

Which is the most sensitive indicator of iron stores in the body?

Correct AnswerverifiedShow Answer

Which is the true statement about iron loss?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

___________ is a component of the antioxidant enzyme gluthathione peroxidase.

Correct AnswerverifiedShow Answer

Which statement about manganese toxicity is FALSE?

Correct AnswerverifiedShow Answer

Which of the following statements about Keshan disease is FALSE?

Correct AnswerverifiedShow Answer

Identify the most accurate statement regarding copper.

Correct AnswerverifiedShow Answer

The following are physiologic roles of copper EXCEPT:

Correct AnswerverifiedShow Answer

Marginal chromium deficiency has been linked to:

Correct AnswerverifiedShow Answer

A low selenium diet has been most highly associated with:

Correct AnswerverifiedShow Answer

Why is fluoride commonly added to drinking water?

Correct AnswerverifiedFluoride is essential for bone and denta...View AnswerShow Answer

Which of the following is NOT a true statement?

Correct AnswerverifiedShow Answer

If the initiative does not pass and fluoride is not added to the drinking water,what are other means by which the dental health of children in the community could be protected?

Correct AnswerverifiedThe American Academy of Pediatrics sugge...View AnswerShow Answer

What is a goitrogen? What are common sources?

Correct AnswerverifiedGoitrogens are substances in f...View AnswerShow Answer

What factors influence copper absorption into the body?

Correct AnswerverifiedCopper absorption is reduced b...View AnswerShow Answer

Manganese homeostasis is maintained through:

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified
Hemoglobin is an iron-containi...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Fluoride is essential for bone and denta...
View Answer

Correct Answer
verified

Correct Answer
verified
The American Academy of Pediatrics sugge...
View Answer

Correct Answer
verified
Goitrogens are substances in f...
View Answer

Correct Answer
verified
Copper absorption is reduced b...
View Answer

Correct Answer
verified

Correct Answer
verified