chapter 10 questions

How many B vitamins are there?

8

What are the fat-soluble vitamins?

A, D, E, and K

In which of the following pairs are both foods considered to be allergens?

Dairy and shellfish

Compared to nonheme iron, heme iron is absorbed how?

More efficiently

How does taking "high" doses of vitamin C impact health?

More is not always better. In some cases, increasing the dosage does not come with many adverse effects, but it also does not increase health benefits. An increased dose of Vitamin C over 1 g reduces absorption.

Omega-3 fatty acids do not include which of the following fatty acids?

Palmitic acid

Which of the following is the best source for reviewing information about dietary supplements?

PubMed

Which of the following is a major nutritional contributor to muscle protein synthesis?

The essential amino acids

Accumulating too much of a vitamin or mineral in the body may lead to what?

Toxicity

Which vitamin has an increased risk of causing toxicity?

Vitamin A

Which vitamin is the most transient?

Vitamin C

The water-soluble vitamins include which vitamins?

Vitamin C and the B complex vitamins

Can supplements contain food allergens?

Yes, and if they do contain allergens, they should be listed on the label.

Iodine has a major role in which bodily process?

Thyroid function

What percentage of alpha-linolenic acid (ALA) converts to a biologically available form called eicosapentaenoic acid (EPA)?

About 5-15%

Vitamin K supplements should be avoided by those taking which type of medication?

Anticoagulants (e.g., warfarin)

Which of the following is true about the biologically active forms of vitamins?

Biologically active forms are most effective for augmenting body levels.

Compared to water-soluble vitamins, which of the following is true about fat-soluble vitamins?

Fat-soluble vitamins take longer to accumulate in and deplete from the bod

The most well-known and well-researched effect of omega-3 fats relates to which of the following?

Heart health

Which governmental agency regulates dietary supplements in Australia?

Therapeutic Goods Administration (TGA)