Exam 7: The Vitamins

Rickets is a disease caused by

Whole-grain foods are poor sources of water-soluble B vitamins.

Vitamin C acts as an antioxidant because it can

High homocysteine levels are common in both _____ deficiencies.

Dermatitis, dementia, diarrhea, and death are known as "the four Ds" associated with deficiency of what vitamin?

Chronic consumption of high doses of retinoids can have toxic effects on vision, liver function, and bone health.

Vitamin B₁₂ deficiency can result in a macrocytic, megaloblastic anemia. This is because

Risk for primary vitamin B₁₂ deficiency is minimized by

Milk is packaged in opaque containers to protect the destruction of what vitamin by light?

Niacin can be synthesized in the body from the amino acid

Vitamins and minerals are complex organic compounds required in small amounts to maintain a healthy body.

Xeropthalmia, a condition of dryness of the eye caused by damage to the eye tissue, is a sign of vitamin A deficiency disorder (VADD). An earlier sign of VADD is

Scurvy is a condition caused by vitamin D deficiency.

Like vitamin C, vitamin E is a potent antioxidant. However, unlike vitamin C, vitamin E

The form of vitamin A important for vision is

Factors that impair cholecalciferol synthesis in the skin include all of the following except:

Cholecalciferol must undergo 2 conversion steps before it becomes the active form of vitamin D, calcitriol. Those steps take place in the _____ and the _____.

In addition to vision, vitamin A plays an important role in cell differentiation. As a result, vitamin A is important for proper

Alcoholism is an important risk factor for thiamin deficiency because

Vitamin B₆ deficiency can result in microcytic, hypochromic anemia because the vitamin is essential for _____ synthesis.