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Nutrition/Roth text
Nutrition/Roth text/Nursing
a | b |
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organic, carbon-containing compounds that enable the body to use energy. | vitamins |
fat-soluable vitamins (4) | KADE |
water soluable vitamins (9) | 8 in the B complex, C |
"UL" stands for | tolerable Upper Limit |
"AI" stands for | Adequate Intake level |
"DRI" stands for | Daily Recommended Intake |
function of the NRC (National Research Council) | publish recommended dietary allowances for minerals based on research |
Those who are prone to vitamin deficiencies | alcoholics, poor, elderly, children, incapacitated |
free radical | atoms with odd or unpaired electrons due to reaction with oxygen |
free radicals can damage | D/RNA and cell membranes |
antioxidant | substance that prevents damage from oxygen |
antioxidants stop the chain reactions of | free radicals |
restored foods are | foods in which vitamins lost in cooking are replaced |
enriched foods are | vitamins are added into |
vitamers are | different chemical forms of the same vitamin |
tocopherols | vitamers of Vit E |
tocotrienols | a form of Vit E |
precursor/provitamins are | substances vitamins can be synthesized from |
prohormones are | substances the body can synthesize a hormone from |
carotinoids are precursors to | Vit A |
xerophthalmia | dry mucous membranes of the eye |
xerophthalmia is caused by a deficiency in | Vit A |
a lack of vitamins is called | avitaminosis |
hemolysis is | RBC destruction |
a non-heme iron is | iron from animal food (not part of hemoglobin) and from plants |
a heme iron | iron from the hemoglobin found in animals (meats) |
collagen is | a protein that holds body cells together |
fat soluable vitamins are carried by | lipoproteins |
lipoproteins carry fat soluable vitamins to the (organ) | liver |
deficiencies in fat soluable vitamins appear | slowly |
megadoses of fat soluable vitamins should be (encouraged/avoided) | avoided |
fat soluable vitamin deficiencies are often seen in patients with | chronic malabsorption diseases: celiac, CF, crohn's |
preformed Vit A is known as | retinol |
sources of Vit A are: | liver, whole milk, cream, butter, cod liver oil, GLVs, deep yellow/orange fruit |
the leading cause of blindness is a deficiency in | Vit A |
carotenoids are also considered | antioxidants |
functions of Vit A are: | maint. of vision, mucous membranes, skin, bone growth/development, reproduction, immune |
deficiencies in Vit A can cause: | night blindness, dry, rough skin, resp infections, bone growth ceases |
an excess amount of Vit A can cause: | birth defects, hair loss, headaches, nausea, dry skin/muscous membranes, bone/joint pain, anorexia, liver enlargement/damage |
Vit D is considered a | prohormone |
the best source of Vit D is | sunlight |
other sources of Vit D are: | fortified milk, fish liver oils, egg yolks, butter |
the function of Vit D is: | promotion of calcium and phosphorus absorption, through calcium it promotes normal bone and teeth mineralization, prevents hypocalcemima |
an excess in Vit D can cause: | calcium and phosphorus deposits in soft tissues, kidney stones, kidney and heart damage, bone fragility |
an illness in children caused by a Vit D deficiency | rickets |
in adults, a Vit D deficiency can cause | osteomalacia, osteoporosis |
the types of Vit E are (4) | alpha, beta, delta, gamma |
Vit E is also considered an | antioxidant |
the functions of Vit E are: | protects cell structure, reduces hemolysis, enhances immune system, retards food spoilage |
sources of Vit E are: | veg. oil and margarie from corn, soy, safflower, cottonseed; wheat germ, nuts, GLVs. |
an excess amount of Vit E is (common/rare) | rare, however megadoses are not recommended |
a deficiency in Vit E can cause: | low birth wt in babies, decreased fat absorption, neuro defects, RBC destruction |
Vit K is aborbed with fats in the | small intestine and colon |
Vit K is made of | blood clotting compounds |
Vit K 1 (phylloquinone) is found in | GLVs and animal tissue |
Vit K 2 (menaquinone) is found in | intestinal bacteria and animal tissue |
Synthetic Vit K is called | menadione |
This is given to newborns to prevent intercranial hemorrhages | Vit K |
Patients with poor fat absorption or long-term antibiotic therapy may need supplemental | Vit K |
This is needed to make prothrombin | Vit K |
the antidote for warfarin and coumadin | Vit K |
used to treat hemorrhages | Vit K |
sources of Vit K are: | GLVs, dairy, eggs, meats, fruits, cereals, cow's milk |
an excess of Vit K can cause | hemolytic anemia |
a deficiency in Vit K can cause | defective blood coagulation, abnormal PT, PTT, hemorrhage |
Thiamin is part of the B 12 complex and is a | coenzyme |
the functions of thiamin are: | metabolism of carbs and some amino acids, nerve and muscle action, maintains appetite |
sources of thiamin are: | unrefined and enriched cereals, yeast, wheat germ, lean pork, organ meats, legumes |
a deficiency in thiamin can cause: | loss of appetite, fatigue, nervous irritability, constipation |
people at risk for thiamin deficiency are those who eat | large amounts of raw fish (due to thiaminase) |
an illness caused by an extreme deficiency in thiamin is | beriberi |
those at risk of thiamin deficiency are: | alcoholics, dialysis patients, long-term IV use, those with chronic fevers |
other than Beriberi, thiamin deficiencies can cause: | heavy legs, burning feet, tachycardia, heart failure, edema |
riboflavin is part of the | B complex |
functions of riboflavin are: | carb, fat, and protein metabolism, tissue maintenence (involving the mouth area), healthy eyes |
sources of riboflavin are: | meats, poultry, fish, enriched breads and cereals, broccoli, spinach, asparagus, milk (opaque jug) |
a deficiency in riboflavin is called | ariboflavinosis |
ariboflavinosis can cause: | cheilosis (sores/cracks at corners of mouth), glossitis, dermatitis, eye strain (itching, burning, fatigue), photophobia |
fiber laxatives can reduce the absorption of this vitamin found in the B complex | riboflavin |
niacin is also known as | nicotinic acidor nicotinamide |
niacin is a coenzyme in | energy metabolism |
niacin can be used to lower | cholesterol |
if niacin is used to lower cholesterol, the patient must watch for signs of | liver damage and peptic ulcers |
sources of niacin are: | meats, poultry, fish, peanuts/legumes, enriched breads and cereals |
1mg of niacin equals | 60mg tryptophan |
a deficiency in niacin also occurs in a deficiency in | riboflavin |
a major deficiency in niacin can cause | pellagra |
pellagra, a deficiency in niacin can cause: | skin sores, diarrhea, irritability, poor memory, dizziness, death |
an excess amount of niacin can cause: | flushing/vascular dilation, GI problems, itching, liver damage |
Vit B 6 is also known as | pyridoxine, pyrodoxal, pyrodoxamine |
tryptophan catalyzes to niacin with | Vit B 6 |
this vitamin synthesizes serotonin and dopamine | Vit B 6 |
functions of Vit B 6 are: | protein metabolism and absorption, aids glucose to glycogen, converts amino acids to needed ones |
sources of Vit B 6 are: | poultry, fish, liver, kidney, potatoes, bananas, spinach, oats and whole wheat |
Vit B 6 are lost from oats and wheat if they are | refined or milled |
oral contraceptives can cause a deficiency in | Vit B 6 |
as with other B complex vitamins, a deficiency in Vit B 6 can cause: | irritability, cheilosis, glossitis, dermatitis, depression, neuro and abdominal problems in infants |
toxicity of Vit B 6 is rare, but can cause | neurological problems |
Vit B 12 is also known as | cobalamin |
functions of Vit B 12 are: | folate metabolism, myelin sheath protection, RBC maintenence |
sources of Vit B 12 are: | organ meats, lean meat, seafood, poultry, eggs, dairy |
chronic vegetarianism can cause a deficiency in | Vit B 12 |
general deficiencies in Vit B 12 can cause: | low myelin sheath synthesis, neurological problems, anorexia, glossitis, stomatitis, pallor, depression, dizziness |
lack of Vit B 12 binding to intrinsic factor can cause | pernicious anemia |
this form of anemia can develop due to a lack of Vit B 12 | megaloblastic anemia |
megaloblastic anemia is characterized by: | very large, immature RBCs |
patients who cannot absorb Vit B 12 in the ileun will need | Vit B 12 IM injections |
folate is also known as | folic acid, folacin |
functions of folate are: | DNA synthesis, protein metabolism, hemoglobin synthesis |
it is better to eat fruits and vegetables containing folate | raw |
sources of folate are: | fortified cereals, GLVs, legumes, sunflower seeds, OJ, strawberries |
folate/folic acid is important for this population | those who are pregnant |
neural tube defects associated with folate deficiency are: | spina bifida, anencephaly |
deficiency in folate in all ages can cause: | stoma/glossitis, poor growth, depression, confusion, megaloblastic anemia |
an excess of folate can: | mask a possible Vit B 12 deficiency, phenytonin inactivation |
biotin is a coenzyme in the synthesis of | fatty and amino acids |
niacin is synthesized from trytophan with the aid of | biotin |
sources of biotin are: | milk, organ meats, egg yolks, soy flour, cereals, legumes, yeast, fruit |
a deficiency in biotin can cause: | nausea, anorexia, depression, dermatitis, increase in serum cholesterol, hair loss |
the functions of pantotheic acid | carb, fat, protein metabolism, synthesis of acetylcholine and steriod hormone |
sources of pantothenic acids are: | meats, eggs, whole grains, legumes |
pantothenic acids are synthesized by | the body |
a clinically induced deficiency in pantothenic acids causes: | weakness, fatigue, burning in feet |
Vit C is also known as | ascorbic acid |
functions of Vit C are: | formation of collagen, absorption of non-heme iron, works with immune system, assists in function of NorEpi, amino acids, folate |
most people take Vit C when they suspect they have a | cold |
sources of Vit C are: | citrus fruit, melon, strawberries, tomatoes, potatoes, red/green peppers, cabbage, broccoli |
this much more of Vit C is needed for smokers and those stressed | 35mg more that DRI |
a deficiency in Vit C can cause: | bleeding gums, brusing, poor wound healing |
major illness associated with Vit C deficiency: | scurvy |
excess amounts of Vit C can cause: | nausea, diahrrea, cramps, excessive iron absorption, oxalate kidney stones, high uric acid level |
contrary to popular belief, vitamin/mineral supplements do not | enhance performance, build muscle, provide energy, cure cancer, cure the common cold or heart disease |
megadoses of vitamins/minerals should only be | prescribed |
herbals are considered | supplements |
regulations on vitamin/mineral supplements are done by | USFDA |
supplements cannot claim | to prevent specific illnesses |
excess minerals can be | toxic/hazardous |
minerals originate in | the soil and water |
before a supplement can be removed from store shelves the | USFDA must have proof they are unsafe |
salts are soluble in | water |
the function of electrolytes are: | maintain fluid and electrical balance, nerve impulses, muscle contraction, acid-base balance |
the functions of calcuim are: | development of strong bones and teeth (with P), nerve/muscle action, heart function, blood clotting, cell metabolism |
the body maintains blood levels of this, even if intake is poor | calcium |
in low levels of calcium, the parathyroid | tells the kidneys to conserve calcium |
the bodys response to hypokalemia is to release calcium from | the bones |
osteoclasts | tear down bones |
osteoblasts | build bones |
high levels of calcium can cause: | constipation and inhibit iron and zinc absorption |
tetany and osteoporosis can be caused by | low calcium in blood |
osteomalacia is also called | adult rickets |
phosphorus works along side of | calcium |
phosphorus is stored in the | bones |
sources of calcium are: | milk, sardines and salmon, GLVs |
in order to be absorbed, calcium needs | Vit D |
highest bioavailable calcium supplement is | calcium bicarbonate |