Question 1

Trace minerals

Accepted Answer

Trace minerals have physiological roles that may have important implications for health or physical performance, even though they are required in smaller amounts compared to major minerals.

Question 2

Which of the following is a risk factor for osteoporosis?

Accepted Answer

Athletic amenorrhea, which is the absence of menstruation due to excessive physical activity, is a risk factor for osteoporosis. It is associated with low estrogen levels, which are important for maintaining bone density.

Question 3

Chromium is essential in human nutrition. Which of the following statements is correct when considering chromium's effect on the body?

Accepted Answer

Chromium is known to potentiate the activity of insulin, which can affect carbohydrate, lipid, and protein metabolism. However, there is no reliable measure of chromium status in the body, and the effects of chromium supplementation on body composition are not consistently supported by research.

Question 4

The major function of iron in the body is the formation of compounds essential to the transportation and utilization of oxygen. To further this purpose,

Accepted Answer

The vast majority of iron in the body is used to form hemoglobin, which is crucial for oxygen transport in the blood.

Question 5

Which of the following statements about calcium's functioning in the human body is correct?

Accepted Answer

Calcium plays a crucial role in muscle contraction, so a low serum level of calcium can lead to muscle cramping. This is because calcium ions are essential for the contraction process in muscle fibers.

Question 6

Which of the following statements correctly describes minerals?

Accepted Answer

Minerals are inorganic substances that are found in nature. They play various roles in biological systems, including being components of metalloenzymes or existing as electrolytes, which are crucial for numerous physiological processes.

Question 7

Which one of the following may affect the amount of iron absorbed into the body?

Accepted Answer

The answer of Which one of the following may affect...

Question 8

Excessive iron in children may be associated with which one of the following dangers?

Accepted Answer

Deaths due to overdoses of iron in children can occur when they consume large amounts of candy-flavored vitamin tablets that contain iron. This is a recognized risk associated with excessive iron intake in this age group.

Question 9

Which of the following statements about calcium supplements is true?

Accepted Answer

Calcium supplements are best absorbed when taken with a meal, as the presence of food stimulates stomach acid production, which aids in calcium absorption.

Question 10

Which of the following statements discussing copper's effect on the human body is INCORRECT?

Accepted Answer

Copper does not play a direct role in the absorption of calcium from the intestinal tract. This function is more closely associated with nutrients like vitamin D. Copper's primary roles in the human body include aiding in iron metabolism, contributing to enzyme functions that deal with energy production and antioxidant defense, and supporting the development of connective tissue and the nervous system.

Question 11

Phosphorus is the second most abundant mineral in the body and

Accepted Answer

The answer of Phosphorus is the second most abundant mineral...

Question 12

Research supports which of the following statements on iron supplementation?

Accepted Answer

Iron supplementation can help improve physical performance in individuals with iron-deficiency anemia by addressing the deficiency and improving oxygen transport.

Question 13

What is the most common nutrient-deficiency disorder in the United States?

Accepted Answer

Iron-deficiency anemia is the most common nutrient-deficiency disorder in the United States, affecting primarily women and children due to factors like poor diet, menstrual blood loss, and increased iron needs during pregnancy.

Question 14

Magnesium

Accepted Answer

Magnesium is abundant in a variety of foods, and dietary deficiency is rare.

Question 15

Which of the following statements concerning mineral deficiencies or excesses is INCORRECT?

Accepted Answer

Mineral absorption from the intestine is influenced by various factors, including the body's needs, the presence of other nutrients, and the form of the mineral. Simply having a sufficient intake does not guarantee that minerals will be readily absorbed.

Question 16

The National Institute of Health recommends a calcium intake of _________mg/day for those aged 19-50 years.

Accepted Answer

The National Institute of Health recommends a calcium intake of 1,000 mg/day for individuals aged 19-50 years.

Question 17

Calcium represents almost 2 percent of the body weight,

Accepted Answer

The answer of Calcium represents almost 2 percent of the...

Question 18

Zinc is found in virtually all tissues in the body and

Accepted Answer

Zinc is an essential mineral that is found in all tissues of the body. Small amounts of zinc supplements do not appear to pose any major problems to the healthy individual.

Question 19

Which of the following statements concerning iron deficiency is INCORRECT?

Accepted Answer

The answer of Which of the following statements concerning iron...

Question 20

Which of the following is NOT classified as a macromineral?

Accepted Answer

Iron is classified as a trace mineral, not a macromineral, because the body needs it in smaller amounts compared to macrominerals like calcium, magnesium, and sodium.

Quiz 8: Minerals: the Inorganic Regulators