Chapter 7, Quiz Questions
Scientific evidence indicates that multivitamins are often necessary for all of the following
chronic dieters infants pregnant women
Who would be most likely to develop pellagra
A person who does not consume meats and eats corn as their dietary staple
Which source is highest in vitamin A or its precursor
Dark green leafy and bright orange vegetables and fruits are sources of the vitamin A precursor beta-carotene.
Which is a source of folate
Food sources include enriched cereal, leafy greens, legumes, beans.
Which of the following is a function of vitamin C
It promotes iron absorption. It acts as an antioxidant. It helps produce and maintain collagen.
Which vitamin needs to be protected from ultraviolet light
Riboflavin
Which is accurate about the water-soluble vitamins
They can be lost in discarded cooking water
How can nutrient supplements be dangerous to overall health
The supplement may contain toxic levels of the nutrient it provides
Which vitamin deficiency leads to xeropthalmia
Vitamin A
Which is a function of Vitamin B12
Vitamin B12 is necessary for folate to do its work. It is part of coenzymes that help synthesize new cells, and it protects nerve fibers by maintaining the protective covering of nerve cells
Which vitamin can by synthesized through exposure to the sun
Vitamin D
Which vitamin supplement would likely be needed by an elderly person who doesn't tolerate dairy products and stays indoors all day
Vitamin D
Identify the vitamin that actively scavenges and stops free radicals in the body.
Vitamin E
What is the name of the thiamin deficiency disease
beriberi (loss of sensation in the hands and feet and muscular weakness)
What role does vitamin A play in the body
gene expression, vision, maintaining body linings and skin, immune defences, growth of bones and of the body, normal development of cells, and reproduction
Which of these vitamins is especially important for women of childbearing age, to prevent neural tube defects
folate
Which two vitamins are primarily supplied by leafy greens & citrus fruits, as well as other fruits & vegetables
folate & Vitamin C
Current recommendations for fruit and vegetable intake are for us to consume a variety from each category on a daily basis. Which vitamins are primarily supplied by leafy greens and citrus fruits, as well as other fruits and vegetables?
folate, vitamin C, and vitamin K
Which of the following is the best source of Vitamin B12
found only in foods of animal origin. Milk, milk products, meats, fish, poultry are sources
Which is true concerning B vitamins
help the body metabolize carbohydrates, lipids, and amino acids
Vitamin A plays an important role in
immune defense, maintaining body linings, growth, and cell differentiation.
Which is associated with vitamin D deficiency
osteoporosis rickets osteomalacia
What is a characteristic of fat-soluble vitamins
needed in periodic doses Because they are stored, fat-soluble vitamins are not needed every day, but with a sufficient eating pattern.
Assume none of these people are taking dietary supplements. Which group would be at risk for vitamin deficiencies
people recovering from extended illnesses pregnant women premature infants
Which is a criterion for choosing a multivitamin-mineral supplement? The supplement
provides nutrients less than or close to the recommended intake
What deficiency disease is associated with vitamin D
rickets, results in bone abnormalities from the inability to mineralize newly forming bone material.
The main function of vitamin K is
to help synthesize blood clotting proteins
An elderly woman has had difficulty with digesting her foods because of reduced stomach acid, has had progressively worse nerve pain in her legs, and is now having difficulty walking. Her physician suspects she may have a vitamin deficiency - but of which vitamin?
vitamin B12
Which vitamin cannot be absorbed when the intrinsic factor is lacking
vitamin B12
Which compounds act as an antioxidant
vitamin C thiamin vitamin B12