In North America, intake of B vitamins generally

Select the primary function of iodine.

Select all that apply The body's needs for niacin are met by

Although the vitamin B-6 requirements of ______ are somewhat higher than the RDA, their needs are typically met by the diet.

______ is the choline-containing compound that helps to insulate nerve cells.

A person with iodine deficiency may experience

The human body can synthesize niacin from an amino acid: _________ mg of tryptophan can be converted into about 1 mg of niacin.

Which of the following B-vitamins plays a role in the body's antioxidant defense system as a coenzyme for glutathione peroxidase?

Select all that apply Possible symptoms of biotin deficiency include ______.

A compound that combines with an inactive enzyme to form an active enzyme is called a(n)

The thyroid gland uses ______ to synthesize thyroid hormones.

As a result of a chronically inadequate iodine intake, an adult may develop

Niacin is

Elevated levels of blood glucose, triglycerides, and cholesterol are clinical features of ______ deficiency.

Choline is involved in the transport of ______ through the blood.

Choline is a precursor for ______, which transfers single-carbon groups in metabolic reactions.

Cow's milk is an excellent source of

The coenzyme form of biotin functions to add ______ to compounds in metabolic reactions.

Select all that apply The functions of vitamin B-6 include

Biotin can be synthesized by bacteria that live in the human gastrointestinal tract.

An athlete uses more vitamin B-6 than a sedentary person.

Select all that apply Which two food groups supply the most thiamin in the typical American diet?

Choline plays a role in synthesis of which of the following components of the cell membrane?

Select all that apply Which of the following are dietary sources of chromium?

Many food composition databases lack information regarding ______ content of foods.

Select all that apply Identify three food sources of thiamin.

Riboflavin deficiency is usually accompanied by deficiencies of several other B vitamins.

Phosphatidylcholine is a phospholipid that primarily functions in

Protein foods are rich in choline.

The coenzyme forms of ______ are integral to the metabolism of carbohydrates, lipids, and protein for energy.

A person experiencing weakness, loss of appetite, poor coordination, and edema caused from lack of thiamin is experiencing the deficiency disease known as

Which of the following is a function of chromium?

Chromium deficiency may lead to

The main function of molybdenum is

The deficiency disease that causes scaly, inflamed skin, decreased appetite, nausea, vomiting, and weakness is due to a lack of which B-vitamin?

Select all that apply High intakes of nicotinic acid can lead to

Which of the following can bind to biotin and inhibit its absorption?

A riboflavin deficiency usually occurs with a deficiency of several other B vitamins because

Coenzymes play an important role in metabolism because they

Select all that apply B vitamins are required for

Molybdenum participates in

The thiamin coenzyme is particularly important for the release of energy from

Select all that apply The functions of manganese include

Because it is necessary for over 100 reactions in amino acid metabolism, a deficiency of ______ leads to widespread symptoms, including depression, skin disorders, and nerve problems.

Which of the following minerals participates in bone formation, antioxidant reactions, and metabolism of glucose and amino acids?

Select all that apply Typical North American B vitamin status is good because:

Biotin deficiency is rare even when the dietary intake is low because biotin can be

The average intake of pantothenic acid of North Americans is ______ the AI.

Select all that apply Choline deficiency could lead to

The coenzyme form of ______ participates in more than 100 amino acid metabolism reactions, including homocysteine metabolism.

The protein called avidin in raw egg whites inhibits the absorption of

The coenzyme forms of ______ are involved in breakdown and synthesis of fat and protein.

Select all that apply Megadoses of niacin are sometimes used to lower blood lipids in patients with cardiovascular disease. A risk of chronically exceeding the UL for niacin is damage to the

What is the best food source for iodine?

Which of the following B-vitamins functions in the release of energy from carbohydrates, lipids, and proteins as well as in fatty acid synthesis? Its name comes from the Greek word meaning "from every side."

Select all that apply Functions of riboflavin include

Select all that apply Food sources of riboflavin include

Select all that apply Choline's role in transfer of single-carbon groups during metabolic reactions influences risk for

Select all that apply Which of the following are characteristics of pellagra, the deficiency disease for niacin?

Select all that apply Which of the following body systems are affected by vitamin B-6 deficiency?

Glucose intolerance may be a sign of ______ deficiency.

A B-vitamin that functions in the addition of carbon dioxide to other compounds during metabolism of glucose, fatty acids, and amino acids is ______.

The B vitamin required as a coenzyme to release energy from carbohydrates and some amino acids is

Select all that apply Compared to refined or processed grains, whole grains contain

Select all that apply Choose the true statements about pantothenic acid deficiency.

The Adequate Intake for pantothenic acid for adults is ______ for adult men and women.

Dementia, diarrhea, dermatitis, and death are symptoms of the deficiency disease known as

______ is the choline-containing compound that functions as a neurotransmitter.

The most nutrient-dense food source of choline is

Nutrients are lost during refinement of grains because

Select all that apply Which of the following are rich sources of iodine?

Select all that apply The coenzyme form of pantothenic acid participates in

Beriberi is a deficiency disease caused by a lack of

Select all that apply A deficiency of pantothenic acid may occur in