Nutrition ch.7
In large doses, niacin has been shown to lower blood levels of __________.
LDL
Which of the following is true about free radicals?
They can damage cells.
Which of the following is true about phytochemicals found in foods?
They protect against certain chronic diseases.
Which seal on a supplement label indicates it meets purity and accuracy criteria?
USP
The protein in raw egg whites that binds biotin and prevents it from being absorbed is:
avidin
Fat-soluble vitamins ___.
can be stored in the body for later use
Vitamin C assists in the formation of the most abundant body protein, which is __________.
collagen
Which vitamin is added to enriched grains and cereals in order to reduce the risk of a birth defect?
folic acid
Two examples of carotenoids are __________.
lutein and lycopene
Consuming too much thiamin causes _____.
no known adverse effects
The role of coenzymes is to ___.
promote the functioning of enzymes
The inactive form of a vitamin that can be converted into an active form upon absorption is called ___.
provitamin
Which of the following is a good source of ascorbic acid?
red pepper
Milk sold in clear bottles might be low in ___.
riboflavin
Which of the following is NOT a good source of niacin?
vegetables
The intrinsic factor, a protein in the stomach, promotes the absorption of ___.
vitamin B12
The vitamin that enhances iron absorption is ___.
vitamin C
Displacing milk with soft drinks causes many children to have a low intake of ___.
vitamin D
People on a low-fat diet may not be getting enough ___.
vitamin E
The vitamin that promotes blood clotting is ___.
vitamin K