Test Your Knowledge On Vitamins

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Take This Quiz And See How Much You Know About Vitamins

How Much Do You Know About Vitamins?

Sometimes it's hard to keep your vitamin facts straight. How much vitamin A do you need? What's the best source of Vitamin C? And all those B vitamins—which one is which? Here's a quiz that offers a chance to learn something different about vitamins

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1. The time of day, season, where you live, your skin color, and how often you use sunscreen can all affect the amount of which vitamin your skin is able to make?

The correct answer is C Vitamin D 

Vitamin D is known as the “sunshine” vitamin. How far from the equator you live affects how much vitamin D your skin makes. Your skin cannot make vitamin D from the sun in the northern U.S. (north of 37-degree latitude) from November through February.

2. At one time, the disease rickets had all but disappeared from the U.S. Now, rickets is making a comeback. Which infants are most likely to get rickets?

The correct answer is A. African-American infants who are breastfed 

Rickets is seen more often in African-American infants who have been breastfed but have not been given vitamin D supplements. Darker skin color blocks ultraviolet (UV) light from making vitamin D. This makes it more likely for darker-skinned infants to get rickets. All breastfed infants should be given a supplement with vitamin D until they are weaned. They should then drink milk fortified with vitamin D.

3. Eating the liver of which animal can cause short-term (acute) vitamin A poisoning?

The correct answer is C. Polar bear 

Although polar bears might not be on your menu, it is an important source of protein among the Inuit of Canada and Alaska. But polar bear liver has a lot of vitamin A. This can cause poisoning or even death if eaten in large amounts. Other animals with potentially toxic levels of vitamin A in the liver include seal, whale, and grouper fish.

4. For a healthy pregnancy and baby, which nutrient can cause birth defects if the mother gets too little of it before and early in pregnancy?

The correct answer is D. Folic acid 

The March of Dimes and other experts say that women of child-bearing age should take a multivitamin that has 400 micrograms of folic acid, as well as eat a healthy diet. This will lower the risk for birth defects of the brain and spine (neural tube defects) such as spina bifida. Spina bifida causes problems with the spine, spinal cord, and surrounding nerves in a growing fetus. Folic acid (vitamin B-9) is found in some leafy green vegetables, nuts, beans, citrus fruits, and fortified breakfast cereals. If a woman is at risk of having a baby with a birth defect, her health care provider may recommend a larger amount of folic acid. Talk with your health care provider to find out more about folic acid.

5. Which is the leading cause of blindness in children worldwide?

The correct answer is C. Vitamin A deficiency 

Deficiency of vitamin A can cause a serious eye problem called xerophthalmia. A lack of vitamin A early in a child’s life can cause xerosis. This is a condition in which the membranes that cover the cornea and other parts of the eye become dry. If vitamin A deficiency is not fixed, xerophthalmia occurs. This is a softening and ulceration of the cornea that leads to permanent blindness. Programs to provide vitamin A supplements to children in South America and Africa are now in place.

6. The highest levels of vitamin C are found in which food?

The correct answer is E. Black currants 

Black currants contain 4 times the vitamin C of citrus fruits. One cup has 200 milligrams (mg), compared with about 120 mg for a cup of orange juice. But black currants aren’t widely grown in the U.S. because many people think they are too tart to eat fresh. They are more popular in Europe, where they are used to make juice, jams, and jellies. But cooking them to make jams and jellies destroys most of the vitamin C. Black currants are not the same as dried currants, which are similar to raisins in texture and nutrition.

7. In the U.S., who is most likely to develop scurvy (vitamin C deficiency)?

The correct answer is D. A long-time alcoholic 

Alcoholics may be lacking in many nutrients. These include too little thiamin, vitamin C, protein, and calories. Other risk factors for scurvy are mental disorders, social isolation among older adults, and eating disorders. Because food is abundant in the U.S. and much of it is “fortified” with vitamin C, even otherwise malnourished children are not likely to develop scurvy.