Question 1

Which trace mineral is important for activating a key enzyme in gluconeogenesis?

Accepted Answer

A)  iron
B)  copper
C)  iodine
D)  manganese

Question 2

Acute iron toxicity is observed mostly with ____.

Accepted Answer

A)  excess ferroxidase levels
B)  accidental iron overload
C)  hemochromatosis
D)  excess plasma ferritin

Question 3

People living in regions that contain high soil molybdenum levels may develop ____.

Accepted Answer

A)  gout
B)  heart disease
C)  reduced urea production
D)  cretinism

Question 4

In the presence of low intracellular iron,the binding of iron regulatory protein (IRP) to iron response elements (IREs) present on the ferritin mRNA ____.

Accepted Answer

A)  results in a decrease in ferritin abundance
B)  results in an increase in ferritin abundance
C)  occurs only when intracellular iron concentrations are high
D)  does not occur

Question 5

The primary physiological role of which mineral is to act as a constituent in the thyroid hormones?

Accepted Answer

A)  fluorine
B)  iodine
C)  selenium
D)  chromium

Question 6

Copper deficiency can result in iron-deficiency anemia.

Accepted Answer

A) True 
 B)False

Question 7

Heme is readily absorbed intact in the ____.

Accepted Answer

A)  colon
B)  distal jejunum and ileum
C)  duodenum and proximal jejunum
D)  stomach and duodenum

Question 8

Milk and dairy products are excellent sources of copper.

Accepted Answer

A) True 
 B)False

Question 9

Nutrient-drug interactions caused by anticonvulsants such as phenobarbital used to treat seizures are most likely to result in ____.

Accepted Answer

A)  poor absorption of nutrients such as iron
B)  poor absorption of the drug when taken with grapefruit
C)  reduced metabolism of vitamins
D)  enhanced excretion of potassium and other electrolytes

Question 10

Endocytosis is the mechanism for a transferrin receptor transporting iron into a cell.

Accepted Answer

A) True 
 B)False

Exam 13: Essential Trace and Ultratrace Minerals

Milk and dairy products are excellent sources of copper.

Correct Answer
verified

Acute iron toxicity is observed mostly with ____.

Correct Answer
verified

People living in regions that contain high soil molybdenum levels may develop ____.

Correct Answer
verified

Which trace mineral is important for activating a key enzyme in gluconeogenesis?

Correct Answer
verified

Nutrient-drug interactions caused by anticonvulsants such as phenobarbital used to treat seizures are most likely to result in ____.

Correct Answer
verified

The primary physiological role of which mineral is to act as a constituent in the thyroid hormones?

Correct Answer
verified

In the presence of low intracellular iron,the binding of iron regulatory protein (IRP) to iron response elements (IREs) present on the ferritin mRNA ____.

Correct Answer
verified

Endocytosis is the mechanism for a transferrin receptor transporting iron into a cell.

Correct Answer
verified

Copper deficiency can result in iron-deficiency anemia.

Correct Answer
verified

Heme is readily absorbed intact in the ____.

Correct Answer
verified

Exam 13: Essential Trace and Ultratrace Minerals

Milk and dairy products are excellent sources of copper.

Correct AnswerverifiedShow Answer

Acute iron toxicity is observed mostly with ____.

Correct AnswerverifiedShow Answer

People living in regions that contain high soil molybdenum levels may develop ____.

Correct AnswerverifiedShow Answer

Which trace mineral is important for activating a key enzyme in gluconeogenesis?

Correct AnswerverifiedShow Answer

Nutrient-drug interactions caused by anticonvulsants such as phenobarbital used to treat seizures are most likely to result in ____.

Correct AnswerverifiedShow Answer

The primary physiological role of which mineral is to act as a constituent in the thyroid hormones?

Correct AnswerverifiedShow Answer

In the presence of low intracellular iron,the binding of iron regulatory protein (IRP) to iron response elements (IREs) present on the ferritin mRNA ____.

Correct AnswerverifiedShow Answer

Endocytosis is the mechanism for a transferrin receptor transporting iron into a cell.

Correct AnswerverifiedShow Answer

Copper deficiency can result in iron-deficiency anemia.

Correct AnswerverifiedShow Answer

Heme is readily absorbed intact in the ____.

Correct AnswerverifiedShow Answer

Correct Answer
verified

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Correct Answer
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