Why Is Vitamin D a Nutrient of Particular Concern in Older

question 26

Multiple Choice

Why is vitamin D a nutrient of particular concern in older adults?

• A)Permeability of the intestine to dietary vitamin D increases as the intestine ages,which increases risk for toxicity.
• B)Vitamin D synthesis in the skin slows.
• C)The kidneys accelerate the conversion of vitamin D to its active form,which increases the risk for toxicity.
• D)None of these responses are accurate.

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Definitions:

Basidiomycetes

A class of fungi characterized by producing spores on basidia, including mushrooms, puffballs, rusts, and smuts.

Chytridiomycetes

A class of fungi that are mostly aquatic and have a unique stage in their life cycle featuring flagellated spores, known for impacting amphibian populations.

Glomeromycetes

Glomeromycetes is a class of fungi known for forming symbiotic relationships with the roots of most plants, aiding in the absorption of minerals from the soil.

Saccharomyces Cerevisiae

A species of yeast commonly used in brewing, baking, and laboratory research due to its ability to ferment sugars.