What is meant by the bioavailability of a vitamin in food?
The amount absorbed and subsequently used by the body.
Cooking a food in liberal amount
... [Show More] of water is least likely to affect the content of
Vitamin A
Of the following foods, which would be the only source of Vitamin B12?
Hamburger
What is a free radical?
A molecule with at least one unpaired electron
Which of the following is an early sign of Vitamin C deficiency?
Bleeding gums
Approximately what percentage of the body's vitamin A stores are found in the liver?
90
A child with bow legs is likely deficient in Vitamin
D
Which of the following drinking waters contains the lowest amount of minerals?
Distilled
The DASH diet was designed to prevent
hypertension
All of the following are good plant sources of calcium for the body except
spinach
Which of the following is known to enhance iron absorption the most?
orange juice
In the U.S., iron is currently added to which of the following foods?
bread and cereals
Zinc is highest in foods that also contain a high amount of
protein
Which of the following may result from an iodine deficiency?
Goiter
What hormone is dependent on chromium for optimal activity?
Insulin
Which of the following food substances can be converted to Vitamin A in the body?
Beta-carotene
Which of the following is not a fat-soluble vitamin?
Cyanocobalamin
After his visit to the eye doctor, Greg began eating 1 medium carrot every day. On a weekend camping trip he didn't have access to carrots or carrot juice. He wonders if he got enough Vitamin A over the weekend. What advice would you give to Greg?
Don't worry. Fat soluble vitamins are stored in the body. It takes longer than one day to develop any adverse effects.
Your sister Ellen has joined the Peace Corps and has been assigned to improve the nutritional status of children in Indonesia. Once there, she learns that many of the children and some adults suffer from night blindness. Which of the following foods should she recommend to help prevent others from developing this condition?
Sweet potato
Why shouldn't a woman who is 7 months pregnant be prescribed Accutane to fight acne?
Made from Vitamin A, it's highly toxic and can cause birth defects.
Which of the following foods is a very good source of Vitamin A?
Pumpkin pie
Which of the following compounds is known to function as a hormone?
Vitamin D
Which of the following can the body use to synthesize Vitamin D?
Sunlight
A child with bowed legs is likely deficient in Vitamin
D
The vitamin deficiency that creates weak bones and manifests itself as knock-knees or bowed legs is called what?
Rickets
Your friend just moved to Northern Canada to do full-time research on bats in caves. She works in the caves during the day and leaves at sundown when the bats are active. Which of the following would you advise she buy and consume regularly?
Vitamin D fortified milk
With inadequate Vitamin D intake, bones lose calcium and become less dense. This sets the stage for what disease?
Osteoporosis
Recently there has been a lot of news about the importance of antioxidants in the diet. Which of the following vitamins has been noted as preventing the oxidation of LDL's?
Vitamin E
Which of the following are major sources of vitamin E in the diet?
Vegetable oils [Show Less]