Questions With Complete Solutions
A sore tongue and painful cracks at the corners of the mouth
may be signs of a deficiency of Correct Answers B vitamins.
- The B vitamins function as coenzymes in energy metabolism,
so they are quickly used by cells that are rapidly turned over in
the body, such as the cells that line the gastrointestinal tract.
Tongue pain, cracks at the corners of the mouth, nausea, and
diarrhea are common signs of B vitamin deficiencies.
Cow's milk is a rich source of Correct Answers riboflavin.
-Cow's milk and other dairy products are rich sources of
riboflavin. One cup of low-fat milk provides about 40% of the
RDA for riboflavin. Cow's milk is not a good source of vitamin
C, vitamin E, or folate.
During the childbearing years, it is important for women to
consume adequate folate to prevent Correct Answers birth
defects in the offspring.
Exceeding the UL for vitamin C is most likely to cause Correct
Answers gastrointestinal distress.
Fluid milk sold in the United States and Canada is fortified with
Correct Answers vitamins A and D.
From the following options, click to select three functions of
vitamin C. Correct Answers - Immune Function
, - Bone Health
- Wound Healing
From the following options, click to select three possible effects
of vitamin A toxicity. Correct Answers Liver Damage, Birth
Defects and Bone Pain
-For vitamin A, there is a narrow gap between just enough
vitamin A (i.e., the RDA) and too much vitamin A (i.e., the UL).
Vitamin A toxicity could lead to headache, nausea, fatigue, lack
of appetite, and damage to the skin, bones, liver, and brain.
Exceeding the UL during pregnancy could lead to birth defects.
How does vitamin A support the immune system? Correct
Answers It maintains the health of epithelial tissue, which
forms a barrier against infection.
-
Vitamin A is involved in vision, but no matter how good your
vision is, you will still need a microscope to see microbes!
Vitamin A maintains the integrity of the epithelial tissue, which
makes up the skin and the mucous membranes that line the GI
tract, lungs, and urinary tract. Healthy epithelial cells form a
barrier against invading germs.
How does vitamin C support the immune system? From the
following options, click to select two answers. Correct Answers
- It stimulates the production and activity of white blood cells
- It protects immune cells from oxidative damage.