Lutz's Nutrition Chapter 6 Vitamins
vitamin deficiency correct answers early 20th century, led to the discovery of vitamins,
can lead to disease processes, not common in U.S., prevalent in third world countries
vitamins correct answers organic substances that do not provide energy or structure to
the body but are required for metabolic processes (act as coenzymes)
coenzymes correct answers substances that activate enzymes
vitamins A, D, E, and K correct answers vitamins that are fat soluble and can easily
lead to toxicity
Dietary Reference Intakes (DRI) correct answers guidelines for adequate intake of a
nutrient
water soluble vitamins correct answers dissolve in water, vitamin C, thiamin, niacin,
folic acid (folate) are what vitamins
fat soluble vitamins correct answers vitamins stored in body fat, not easily excreted
organic substances correct answers substances that contain carbon and are derived
from living matter
vitamin A and D toxicity correct answers these fat soluble vitamins can be fatal in large
amounts
retinol correct answers preformed vitamin A, promotes skin elasticity, YEAR'S SUPPLY
STORED IN LIVER
provitamin A correct answers a form of vitamin A found in beta-carotene and other
carotenoids, requires conversion in body for use
what are the two forms of vitamin A correct answers rentinol (preformed vitamin A),
provitamin A
functions of vitamin A correct answers Antioxidant, maintaining epithelial tissue, vision
or eye health (carotene=carrots), bone growth,MAY PLAY A ROLE IN CANCER
PREVENTION
preformed vitamin A correct answers vitamin in complete state
vitamin A deficiency correct answers night blindness, dry and thick outside eye
, vitamin A deficiency correct answers night blindness, dry and thick outside eye
vitamin A correct answers liver, egg yolk, fortified milk, fish, carrots, sweet potatoes,
squash, apricots, cantaloupe, spinach, collards, broccoli, cabbage are sources of what
vitamin
vitamin D correct answers to absorb calcium you have to have this vitamin
hypervitaminosis A correct answers too much vitamin A; can be caused by food, mainly
from people who take too many vitamins, ACUTE/TOXIC; renal failure
carotenemia correct answers skin becomes yellow; NOT FATAL, too much carotene
carotenemia and hypervitaminosis A correct answers the two disorders caused by
toxicity
pain in the bones and joints, liver failure, dry skin, poor appetite correct answers the
symptoms of hypervitaminosis A are
orange bronsy skin correct answers take in too many orange vegetables you will have
sunlight correct answers main source of vitamin D is
who are people that are most likely to have a vitamin D deficiency correct answers
indoor workers, miners; not enough sunlight
Vitamin D deficiency correct answers weak bones and more fractures, short statured
children
vitamin D deficiency correct answers weak bones and more fractures, short statured
children
Vitamin D function correct answers BONE METABOLISM BECAUSE OF CALCIUM
vitamin D function correct answers BONE METABOLISM BECAUSE OF CALCIUM
supplement with vitamin D2 correct answers if you cannot get outdoors 15-20 mins
every day, older people who need more bone health; elderly, bone fracture history,
genetic history of bone fractures, menopausal women
difficulty setting RDA for vitamin D correct answers multiple sources of vitamin D, some
need more than others
