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Quiz 7

Which of the following does not describe a vitamin?

Can be synthesized in the body

Vitamins are classified as

fat-soluble and water-soluble.

Identify one function of vitamin D:

aids in the absorption of calcium

Which of the following does not describe fat-soluble vitamins?

Excesses are excreted in the urine.

The leading cause of blindness in the world today (excluding accidents) is a dietary deficiency of

vitamin A.

Dark green vegetables such as broccoli and greens are excellent sources of beta-carotene, but the characteristic orange-yellow pigment is not visible

because the dark-green chlorophyll pigment conceals the color.

Vitamin D is called the sunshine vitamin because

exposure to sunlight converts a precursor to vitamin D.

Vitamin E functions as

an antioxidant.

Marks: 10
An important role of vitamin K is the synthesis of

prothrombin.

Newborns usually receive an injection of vitamin _________ to protect them until their gastrointestinal tract has matured.

K.

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