Chapter 8: Overview of the micronutrients & phytochemicals

vitamin

essential organic substances needed in small amounts in the dietary pattern for normal function, growth and maintenance of the body.

Our bodies are able to synthesize which of the following vitamins

vitamin D vitamin E vitamin C niacin vitamin A

fat-soluble vitamins

vitamins A, D, E & K

water-soluble vitamins

vitamins B and C

true or false: trace minerals are not essential nutrients

false

the body is able to store which group of vitamins

fat-soluble vitamins

Which of the following are examples of micronutrients

iron fiber sodium calcium

to be classified as a vitamin, a substance should meet what criteria?

over time, a lack produces deficiency symptoms they are needed in large amounts to mmaintain health the body is unable to synthesize enough to maintain health they are composed of non-carbon-containing substances

bioavailability

the degree to which an ingested nutrient such as minerals is absorbed and available to the body

kidney

the organ responsible for excreting excess amounts of water-soluble vitamins

Which of the following are defining characteristics of vitamins

they yield approx. 4 kcal per gram prolonged absence of the compound from the diet produces deficiency symptoms the compound is present in the diet in small amounts the body is unable to synthesize enough of the substance to maintain health