Test # 47
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760 questions in 76 tests. Each test contains 10 questions.
Idiom of the Day
not see farther than the end of one's nose
to not care about the future or about what is happening elsewhere or to other people
My friend cannot see farther than the end of her nose and is not interested in other people.
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Vitamin B2 Ribofl avin
Required for energy metabolism, enzyme reactions, vision, and skin/hair/nail health; functions as an antioxidant; activates vitamin B6, niacin, and folate. May play a role in preventing migraine headaches and cataracts. Defi ciency occurs in alcoholics, the elderly, and those with poor diets. Symptoms of deficiency include sore throat; redness/swelling of the mouth, throat, tongue, lips, and skin; decreased red blood cell count; and blood vessel growth over the eyes. Defi ciency may impair iron absorption and increase risk of pre-eclampsia in pregnant women. Drugs that deplete vitamin B2: antibiotics, chlorpromazine, amitriptyline, adriamycin, and phenobarbitol. Most people get adequate ribofl avin from diet and/or a multivitamin.
Food Sources : Dairy, whole grains, meat, eggs, dark green vegetables, fortifi ed cereals Adequate Intake : (mg/day)
Men = 1.3
Women = 1.1
Pregnancy = 1.4
Lactation = 1.6 Upper Limit : Not determinedSide Effects : No adverse effects known with food or supplements