Question 1

Which of the following foods is the best source of zinc for most people?

Accepted Answer

Oysters

Question 2

A patient presents with delayed sexual maturation and reduced appetite. Which trace mineral deficiency is most likely responsible?

Accepted Answer

Zinc

Question 3

Which trace mineral is a cofactor for over 300 enzymes and is important for immune function and gene expression?

Accepted Answer

Zinc

Question 4

Which of the following statements best explains why selenium levels vary in different foods?

Accepted Answer

Selenium content of food depends on soil selenium levels where the food is grown.

Question 5

A person consumes a diet high in phytates from non-heme iron sources. What is the most likely effect on zinc absorption?

Accepted Answer

Zinc absorption will decrease due to phytates.

Question 6

Which trace mineral enhances insulin function and may help improve glucose uptake?

Accepted Answer

Chromium

Question 7

A patient is diagnosed with Keshan disease, a heart disorder. Which trace mineral deficiency is most likely implicated?

Accepted Answer

Selenium

Question 8

Which of the following is a symptom of excess zinc intake?

Accepted Answer

Nausea and vomiting

Question 9

Which mineral is an enzyme cofactor important for metabolism of amino acids and nucleic acids, and is found in milk, dairy products, and beans?

Accepted Answer

Molybdenum

Question 10

A diet lacking in animal products but high in unleavened bread may result in deficiency of which mineral due to limited absorption?

Accepted Answer

Zinc

Question 11

Which mineral is required for thyroid hormone function and antioxidant enzyme production?

Accepted Answer

Selenium

Question 12

A patient with impaired glucose uptake and no known diabetes is most likely deficient in which trace mineral?

Accepted Answer

Chromium

Question 13

Which mineral is found in mollusks, nuts, and whole grains, and acts as an enzyme cofactor for metabolism?

Accepted Answer

Manganese

Question 14

If a person consumes excess selenium, which of the following symptoms may occur?

Accepted Answer

Nausea and vomiting

Question 15

Which mineral's deficiency is rare in humans but can cause impaired metabolism of amino acids and nucleic acids?

Accepted Answer

Molybdenum

Question 16

A person with reduced immune function and interference with copper absorption is most likely experiencing toxicity from which mineral?

Accepted Answer

Zinc

Question 17

Which mineral is most likely to be deficient in a population consuming food grown in selenium-poor soil?

Accepted Answer

Selenium

Question 18

Which mineral is important for gene expression, fetal development, and immune function, and its deficiency can increase susceptibility to infection?

Accepted Answer

Zinc

Question 19

Which mineral is a cofactor for antioxidant enzymes and is required for thyroid hormone function?

Accepted Answer

Selenium

Question 20

A patient presents with symptoms of nausea, vomiting, and liver damage after taking high doses of a mineral supplement. Which mineral is most likely responsible?

Accepted Answer

Selenium

Trace Minerals: Zinc, Selenium, Manganese, Chromium, and Molybdenum – Functions, Sources, Deficiency, and Toxicity

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