Q: Which equation correctly represents the Recommended Dietary Allowance (RDA) for iron for adult males?

$$\mathrm{RDA}_{\text{Iron, Males}} = 8\ \mathrm{mg}$$

Q: Which equation correctly represents the Recommended Dietary Allowance (RDA) for copper for adults?

$$\mathrm{RDA}_{\text{Copper, Adults}} = 900\ \mathrm{\mu g}$$

Question 1

Which of the following is a major function of iron in the human body?

Accepted Answer

Transporting oxygen in the blood as part of hemoglobin

Question 2

A vegetarian is at increased risk for iron deficiency anemia. Which dietary strategy can help improve iron absorption from plant-based foods?

Accepted Answer

Pairing iron-rich foods with vitamin C sources

Question 3

Which form of iron is found in animal products and is absorbed more efficiently by the body?

Accepted Answer

Heme iron

Question 4

A patient presents with fatigue, pale skin, and shortness of breath. Blood tests reveal low hemoglobin and hematocrit. Which deficiency is most likely?

Accepted Answer

Iron deficiency anemia

Question 5

Which of the following nutrients has NOT been shown to limit copper absorption?

Accepted Answer

Vitamin C

Question 6

Copper is required for which of the following functions in the body?

Accepted Answer

Synthesis of collagen and elastin

Question 7

Which of the following is a symptom of iron deficiency anemia?

Accepted Answer

Fatigue

Question 8

A person is following a vegan eating pattern. Which of the following is the best advice to help them meet their iron needs?

Accepted Answer

Combine plant foods high in iron with foods high in vitamin C

Question 9

Which of the following is a food source high in copper?

Accepted Answer

Whole grains

Question 10

Which mineral is a cofactor for many enzymes and is involved in iron metabolism and collagen synthesis?

Accepted Answer

Copper

Question 11

If a person consumes excessive amounts of iron supplements, which of the following symptoms might they experience?

Accepted Answer

Constipation

Question 12

Which equation correctly represents the Recommended Dietary Allowance (RDA) for iron for adult males?

Accepted Answer

$$\mathrm{RDA}_{	ext{Iron, Males}} = 8\ \mathrm{mg}$$

Question 13

Which of the following factors increases the risk of iron deficiency anemia?

Accepted Answer

Vegetarian diet

Question 14

Which mineral is primarily responsible for transporting oxygen in the blood?

Accepted Answer

Iron

Question 15

A patient is diagnosed with anemia and is found to have a diet low in both iron and vitamin C. Which of the following best explains their condition?

Accepted Answer

Low iron intake and poor absorption due to low vitamin C

Question 16

Which of the following is NOT a function of copper in the body?

Accepted Answer

Transport of oxygen in the blood

Question 17

Which equation correctly represents the Recommended Dietary Allowance (RDA) for copper for adults?

Accepted Answer

$$\mathrm{RDA}_{	ext{Copper, Adults}} = 900\ \mathrm{\mu g}$$

Question 18

Which of the following would most likely decrease iron absorption from a meal?

Accepted Answer

Eating foods high in phytates

Question 19

A patient is experiencing symptoms of anemia but has a normal iron intake. Which mineral deficiency could also contribute to their symptoms?

Accepted Answer

Copper

Question 20

Which of the following statements about iron and copper is correct?

Accepted Answer

Iron is required for oxygen transport, while copper is a cofactor for enzymes and collagen synthesis

Trace Minerals: Iron and Copper – Functions, Sources, Deficiency, and Toxicity

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