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vitamins, minerals, water

what disease is caused by a thiamin deficiency

beriberi

the nutrient essential for synthesis of several blood clotting factors is

vitamin k

which of the following serves as an antioxidant in cell membranes, protecting them and all the DNA inside your cells from damage

vitamin e

which statement about vitamins is true

help regulate chemical reactions of the body

which of the following is true about the intake of vitamins

vitamins consumed in excess are excreted

water soluble and fat soluble vitamins differ in which way

water soluble are less likely to be toxic

which of the following is true about the regulation of the production and sale of vitamin and mineral supplements

the fda does not regulate all vitamin and mineral supplements closely

which of the following is ture about the absorption, transport, and storage of fat soluble vitamins

after absorption, they are transported in the bloodstream to body cells and or stored in the liver and fatty tissue

which of the following does not describe fat soluble vitamins

they are transported via the bloodstream

which of the following is converted to vitamin a in the body

carotene

this vitamin, when consumed during pregnancy, can help prevent neural tube defects like spina bifida

folate/folic acid

the nutrient that can be considered both a vitamin and a hormone is

vitamin d

vitamin d is unique among the vitamins because

it can be formed in the body by exposure to the sun

efficient deposition of calcium and phosphorus in bones is the net effect of

vitamin d

the childhood disease rickets is due to a deficiency in

vitamin d

an important role of vitamin k is the synthesis of

prothrombin

in general, excess amounts of water-soluble vitamins are excreted via the

kidneys

all of teh following are true of b vitamins except

are stored in the liver

the b vitamins generally function as

coenzymes

niacin is necessary to prevent the disease

pellagra

pellagra is characterized by all of the following except

dysphagia

bill's physician has prescribed an intake of 200 mg nicotinic acid (a form of niacin) to attempt to preserve his health. which of the following is true about nicotinic acid consumption?

it can lower elevated serum cholesterol

a pantothenic acid deficiency is

very unlikely because of its widespread availability

vitamins involved in red blood cell synthesis are

vitamin b12 and folate

acquiring sufficient vitamin b12 fromthe diet may be a problem to vegans because

it is only found in animal products

formation and maintenance of collage requires

vitamin c

scurvy can be prevented with adequate intakes of

vitamin c

water constitutes ____ percent of body weight

50-70

the amount of water in each compartment mainly is controlled by

ion concentration

the two most significant extracellular ions are

sodium and chloride

water regulates body temperature through heat loss via

evaporation

joe is a wrestler and during his workouts he loses 2 pounds. how much water would he have to drink to replenish this water weight loss

6 cups

which of the following is not ture about the regulation of fluid in the body

thirst is a reliable factor of how much water should be consumed to replenish body fluids

which of the following statements does not describe the role of minerals in the body

they provide 4 kcalories per gram

consumption o a diet high in salt may

increase blood pressure

potassium performs all of the following functions except

it maintains the ability to see at night

elevated blood pressure is associated with which of the following minerals

sodium

in the body, 99 percent of calcium is found in

bones and teeth

which of the following is not a function of calcium

appetite regulation

the most nutrient dense calcium food source is

milk and dairy products

according to the RDA the mineral you need in the largest amount is

calcium

the mineral that is least likely to be deficient in the American diet is

phosphorus

what is magnesium's primary function

it is important for nerve and heart function

we get most of the sulfur in our diet from

proteins

in some cultures, pots and pans used in cooking may contribute some ______ to the diet

iron

an impaired immune system is associated with a deficiency of

zinc

a mineral that has antioxidant functions and has been suggested to reduce cancer risks is

selenium

this mineral can be protective for the teeth when introduced into the water supply, however it can cause tooth mottling when cosumed in high quanitities

fluoride

a goiter may form as a consequence of inadequate intake of

iodide

the most effective treatment for preventing bone loss in those at risk for osteoporosis is

adequate intake of bone building nutrients and exercise

calcium, vitamin d, and iodine are all different names for the same substance

false

vitamins are a source of energy for the body (in the same way that carbs/lipids/proteins are)

false

excesses of certain vitamins can cause serious damage

true

a well chosen diet can supply all the vitamins that most people need

true

vitamins require digestion before they can be absorbed

false

some vitamins are inactivated by exposure to heat

true

even hard, seemingly dry tissues such as bones and teeth contain significant amounts of water

true

oxygen is a mineral

false

pure water has a pH value of 7

true

fish would be a good source of heme iron

true

minerals are widespread in basic foods

true

taking nutritional supplements to provide essential nutrients in not necessary unless food intake is low or an individual has a condition causing a deficiency

true

although an individual can live without other nutrients for a long time, he or she can only survive for a few days without water

true

sweat contains electrolytes and heavy sweating can cause electrolyte deficiency

true

an individual's water needs vary according to the food he or she eats, the environmental temperature and humidity, his or her activity level and other factors

true

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