Vitamins and Minerals Flashcards
VITAMIN C FUNCTIONS
- ENHANCES NON-HEME IRON ABSOPTION
- ANTIOXIDANT
- CHANGES PROLINE INTO HYDROXYPROLINE INTO COLLAGEN
- WOUND HEALING
VITAMIN C SOURCES
CITRUS FRUITS, BROCCOLI, BRUSSEL’S SPROUTS, TOMATOES, STRAWBERRIES, CABBAGE, RED AND GREEN PEPPERS, MELONS, GUAVA, BAKED POTATOES, PAPAYA, MANGO
RDA FOR VITAMIN C
MALE: 90 MG/D
FEMALE: 75 MG/D
UL: 2000 MG
85 MG DURING PREGNANACY
120 MG DURING LACTATION
+ 35 MG/D FOR SMOKERS
VITAMIN C DEFICIENCY
- SCURVY
- POOR WOUND HELING
- BLEEDING GUMS
- PETICHIAE
THIAMIN (B1) FUNCTIONS
- CHO OXIDATION- INCREASED CHO INTAKE REQUIRES MORE THIAMIN
2. METABOLISM OF PYRUVATE
THIAMIN (B1) FUNCTIONS
- CHO OXIDATION- INCREASED CHO INTAKE REQUIRES MORE THIAMIN
2. METABOLISM OF PYRUVATE
THIAMIN DEFICIENCY
- BER1 BER1
- MUSCLE WEAKNESS
- FOOT DROP
- MEMORY LOSS
- INCREASED PLASMA PYRUVATE
RDA FOR THIAMIN
MALES: 1.2 MG
FEMALE: 1.1 MG
THIAMIN SOURCES
GRAINS, WHEAT GERM, PORK, LIVER, SUNFLOWER SEEDS, LEGUMES, YEAST, SOY MILK
FUNCTIONS OF RIBOFLAVIN (B2)
- REQUIRED AS ENZYME COFACTOR FOR CHO AND FAAT METABOLISM
2. RED CELL PRODUCTION
RIBOFLAVIN (B2) RDA
MALE: 1.3 MG
FEMALE: 1.1 MG
RIBOFLAVIN SOURCES
LIVER, KIDNEY, MEAT, MILK, SHRIMP, FORTIFIED CEREALS, EGGS, YOGURT, CHEESE
RIBOFLAVIN (B2) DEFICIENCY
CHEILOSIS, ANGULAR STOMATITIS, MAGENTA TONGUE, SWOLLEN MOUTH AND THROAT, DERMATITIS, ANEMIA
RDA FOR NIACIN
M: 16 NE
F: 14 NE
NIACIN B3 FUNCTION
- METABOLISM OF CHO, PROTEIN AND FAT
SYNTHESIZED FROM TRYPTOPHAN
NIACIN SORCES
PROTEIN, PEANUTS (BUTTER), READY-TO-EAT CEREALS, CHICKEN, RICE, YEAST, MILK, FISH, CANNED TOMATO PRODUCTS, ENRICHED BREADS
NIACIN DEFICIENCY
- PELLAGRA- 4 D’S DERMATITIS, DIARRHEA, DEMENTIA, DEATH
- BEEFY, BRIGHT, RED TONGUE
- SYMMETRICAL, PIGMENTED RASH IN SUNLIGHT
RDA FOR PYRIDOXIINE (B6)
M: 1.2-1.7 MG
F: 1.3-1.5 MG
PYRIDOXINE FUNCTION
COENZYME IN AMINO ACID METABOLISM- DEAMINATION, TRANSAMINATION
INCREASED PYRIDOXINE NEEDS WITH INCREASED PROTEIN INTAKE
PYRIDOXINE SOURCES
GARBANZO BEANS, MEAT, FISH, POULTRY, FORTIFIED CEREALS, WHITE POTATO, BANANA, YEAST
PYRIDOXINE DEFICIENCY
SEIZURES, ANEMIA, DERMATITIS, GLOSSITIS, STOMATITIS, CHEILOSIS, PERIPHERAL NEUROPATHY
AI PANTHOTENIC ACID
5 MG
PANTHOTENIC ACID FUNCTION
- CoenzymeA
2. FAT METABOLISM
PANTHOTENIC ACID SOURCES
- LIVER, MEATS, DAIRY, BROCCOLI, LEGUMES, SHIITAKE MUSHROOMS, EGG YOLK
PANTHOTENIC ACID DEFICIENCY
BURNING FOOT SYNDROME
FOLIC ACID FUNCTION
- DNA SYNTHESIS
- FORMS RBC IN BONE MARROW
- PREVENTS NEURAL TUBE DEFECTS
- INVOLVED IN HOMOCYSTEINE METABOLISM
RDA FOR FOLIC ACID
400 MG
600 MG FOR PREGNANT WOMEN
FOLATE SOURCES
GREEN VEGETABLES- SPINACH, ASPARAGUS, LEGUMES, FORTIFIED GRAIN PRODUCTS, LIVER, KIDNEY, CITRUS FRUIT, BEANS
FOLATE DEFICIENCY
- MEGALOBLASTIC MACROCYTIC ANEMIA
- NEURAL TUBE DEFECTS IN A FETUS
- ELEVATED HOMOCYSTEIINE LEVELS
- DIARRHEA, FATIGUE, IRRITABILITY, DYSPNEA
AI BIOTIN
30 MG/D
BIOTIN FUNCTION
- COENZYME IN FATTY ACID SYNTHESIS
- CONVERTS PYRUVATE TO OXALOACETATE IN GLUCONEOGENESIS
SYNTHESIZED BY INTESTINAL BACTERIA
INACTIVATED BY AVIDIN
BIOTIN SOURCES
LIVER, KIDNEY, EGG YOLK, YEAST, SOYBEANS, LEGUMES
BIOTIN DEFICIENCY
MUSCLE PAIN, DERMATITIS, GLOSSITIS, ALOPECIA, HYPOTONIA, NERVOUS SYSTEM DYSFUNCTION
AI FOR COBALAMIN (B12)
2.4 MCG
COBALAMIN (B12) FUNCTION
- COENZYME IN DNA, RNA, AND MYELIN
- FORMS RBC
- REQUIRED FOR THE CONVERSION OF HOMOCYSTEIN TO METHIONINE
COBALAMIN (B12) SOURCES
FISH, SEAFOOD, MEATS, LIVER, KIDNEY, EGGS, MILK, CHEESE, CEREALS
COBALAMIN (B12) DEFICIENCY
- MACROCYTIC, MEGALOBLASTIC ANEMIA
- PERNICIOUS ANEMIA (POST-GASTRECTOMY OR ILEAL RESECTION, LACK OF IF)
- DEGENERATION OF PERIPHERAL NERVES
CALCIUM FUNCTIONS
- BLOOD CLOTTING
- CARDIAC FUNCTION
- NERVE TRANSMISSION
- SMOOTH MUSCLE CONTRACTILITY
DEFICIENCY: TETANY
VITAMIN A TOXIC LEVEL
10 000 IU
VITAMIN A DEFICIENCY
NIGHT BLINDNESS-NYCTALOPIA (REVERSIBLE)
XEROPHTALMIA- CORNEAL DAMAGE (NON-REVERSIBLE) BITOT’S SPOTS ON CONJUCTIVA
DRY, SCALY SKIN (HYPERKERATOSIS)
VITAMIN E DEFICIENCY
HEMOLYTIC ANEMIA
VITAMIN E SOURCES
VEGETABLE OILS, WHOLE GRAINS, GREEN VEGETABLES, ALMONDS
PHOSPHORUS NEEDS
700 MG
PHOSPHORUS FUNCTION
- PHOSPHOLIPIDS TRANSPORT FAT THROUGH LYMPH AND BLOOD
- BONE AND TEETH
THE SECOND MOST ABUNDANT MINERAL (CALIUM IS THE OTHER ONE)
PHOSPHORUS SOURCES
MILK, MEAT, POULTRY, EGGS, FISH, CHEESE, SOY MILK, TOFU, LEGUMES, NUTS
PHOSPHORUS DEFICIENCY
MUSCLE WEAKNESS, MUSCLE DAMAGE, BONE PAIN, DIZZINESS
PHOSPHORUS TOXICITY
HYPOCALCEMIA
AI POTASSIUM
4.7 g/d
POTASSIUM FUNCTION
FLUID BALANCE
NERVE IMPULSE TRANSMISSION
MUSCLE CONTRACTION
POTASSIUM SOURCES
MOST FRESH FRUITS AND VEGETABLES, POTATOES, BANANAS, TOMATO JUICE, ORANGE JUICE, MELONS
POTASSIUM DEFICIENCY
MUSCLE WEAKNESS, PARALYSIS, MENTAL CONFUSION, IRREGULAR HEARTBEAT
POTASSIUM TOXICITY
MUSCLE WEAKNESS, VOMITING, IRREGULAR HEARTBEAT
AI SODIUM
1.5 g/d
SODIUM DEFICIENCY
MUSCLE CRAMPS, DIZZINESS, FATIGUE, NAUSEA, VOMITING, MENTAL CONFUSION
SODIUM TOXICITY
WATER RETENTION, HIGH BLOOD PRESSURE, LOSS OF CALCIUM IN URINE
RDA IRON
M: 8MG
F: 18 MG
IRON FUNCTION
OXYGEN TRANSPORT
FORM OF IRON IN FOOD
FERRIC
ABSORBABLE FORM OF IRON
FERROUS
IRON STORAGE
FERRITIN
WHICH NUTRIENTS INHIBIT IRIIN ABSORPTION
EGGS, TEA, MILK, CHEESE
INCREASING IRON ABSORPTION
FOODS CONTAINING VITAMIN C
CALCIUM BINDS TO OXALATES, ENHANCING IRON ABSORPTION
RDA ZINC
M: 11 MG
F: 8 MG
RDA ZINC
M: 11 MG
F: 8 MG
UL: 40 MG/D
ZINC FUNCTION
INCREASES TASTE ENHANCES INSULIN FUNCTION CHO, PROTEIN AND ALCOHOL METABOLISM GROWTH WOUND HEALING IMMUNE RESPONSE, REPRODUCTION STABILIZES DNA, RNA CELL DIVISION
ZINC SOURCES
OYSTERS, MEAT, LIVER, EGGS, FISH, NUTS, WHEAT GERM
ZINC DEFICIENCY
REDUCED IMMUNE FUNCTION, ALOPECIA, POOR WOUND HEALING, HYPOGEUSIA
ZINC ABSORPTION
PHYTATES AND COPPER LOWER ZINC ABSORPTION
EXCESS ZINC
COPPER AND IRON DEFICIENCY
IODINE DEFICIENCY
GOITER
MAGNESIUM FUNCTION
PROTEIN AND FATTY ACIDS SYNTHESIS
STABILIZES ATP
WHEN MAGNESIUM IS IN HIGHER DEMAND
HIGH PROTEIN, CALCIUM, VITAMIN D
WHICH MINERAL IS ATTACHED TO CERULOPLASMIN
COPPER
COOPER FUNCTION
HEMOGLOBIN SYNTHESIS
ENHANCES IRON ABSORPTION
COPPER RDA
900 mcg
COPPER DEFICIENCY
MICROCYTIC ANEMIA, NEUTROPENIA
WILSON’S DISEASE- LOW SERUM COPPER
COPPER SOURCES
LIVER, KIDNEY, SHELLFISH
SELENIUM DEFICIENCY
MYALGIA, CARDIAC MYOPATHY
CHROMIUM FUNCTION
AIDS ACTION OF INSULIN
GLUCOSE METABOLISM
CHROMIUM SOURCES
YEAST, OYSTERS, POTATO, LIVER
CHROMIUM DEFICIENCY
INSULIN RESISTANCE
RDA FOR CHROMIUM
25-35 mcg
NAME THE 3 SULFUR CONTAINING AMINO ACIDS
CYSTEINE, CYSTINE, METHIONINE
ATOMIC WEIGHT NA
23
ATOMIC WEIGHT K
39
ATOMIC WEIGHT CALCIUM
40
VALENCE 2
MILLIEQUIVALENTS
mg / ATOMIC WEIGHT X VALENCE
CALCIUM NORMAL RANGES
4.5-5.5 mEq/L or 9-11 mg/dl
SODIUM NORMAL LEVELS
136-145 mEq/L
POTASSIUM NORMAL LEVELS
3.5-5 mEq/L
1 tsp spoon of salt has
2.4 g sodium
NORMAL SALINE HAS
154 mEq/L NA
P CO2 NORMAL RANGE
35-45
HCO3 NORMAL RANGE
24-28
WHICH NUTRITENTS A PREGNANT ADOLESCENT NEED INCREASED INTAKE OF
IRON, CALCIUM, ZINC
NORMAL BIRTH WEIGHT
2500-4000 G, 2.5-4 KG
LOW BIRTH WEIGHT
< 2 500 g; 5.5 LBS
VERY LOW BIRTH WEIGHT
< 1500 g (3.3 lbs)
CALORIE NEEDS 0-6 MONTHS INFANT
M: 570 KCAL
F: 520 KCAL
CALORIE NEEDS FOR 7-12 MONTHS INFANT
M: 743
F: 676
HOW MANY OZ PER DAY DOES AN INFANT NEED
2 1/2 OZ/LB/D
INDICATOR OF LONG TERM NUTRITIONAL STATUS
STATURE/LENGTH FOR AGE
INDICATOR OF SHORT TERM NUTRITIONAL STATUS
WEIGHT/LENGHT
RDA PROTEIN >= 19 YEARS OLD
MALES: 56 G
FEMALES: 46 G
NUTRIENTS REQUIRED FOR CONVERSION OF PYRUVIC ACID TO ACETYL CoA
THIAMIN, RIBOFLAVIN, NIACIN, PANTOTHENIC ACID, MAGNESIUM, LIPOIC ACID
NAME THE INTERMEDIATE PRODUCT OF BREAKDOWN OF CHO, FAT AND PROTEIN
ACETYL CoA
MAIN SUBSTRATE FOR ENERGY PRODUCTION WITHIN KREB’S CYCLE
PYRUVATE
CORI CYCLE
LACTATE IS CONVERTED BACK TO PYRUVATE
GLUCOSE-6-PHOSPHATE
MAY LEAD TO GLYCOGEN SYNTHESIS
NITROGEN BALANCE FORMULA
PRO INTAKE (g) / 6.25 - (URINARY UREA NITROGEN + 4 )
HORMONES IN PROTEIN ANABOLISM
PITUITARY GROWTH HORMONE, THYROID HORMONE, INSULIN, TESTOSTERONE
HORMONES IN PROTEIN CATABOLISM
ADRENAL HORMONES (GLUCOCORTICOIDS)- STIMULATE GLUCONEOGENESIS
ROLE OF INSULINE IN CHO METABOLISM
ICREASES CELL PERMIABILITY TO GLUCOSE
AIDS GLYCOGENESIS AND LIPOGENESIS
GLUCAGON
GLYCOGENOLYSIS
GLUCOCORTICOIDS
PROTEIN TO GLUCOSE (GLUCONEOGENESIS)
EPINEPHRINE
STIMULATES SYMPATHETIC NERVOUS SYSTEM
STIMULATES LIVER AND MUSCLE GLYCOGENOLYSIS
DERCREASES INSULIN SECRETION FROM PANCREAS DURING CATABOLIC STRESS
AS A RESULT BLOOD GLUCOSE LEVELS INCREASE
GROWTH HORMONE, ACTH (ADRENOCORTICOTROPIC)
IINSULIN ANTAGONISTS
HORMONES IN FAT METABOLISM
LYPOLYSIS:
GROWTH HORMONE, GLUCAGONE-INSULIN ANTAGONISTS
GLUCOCORTICOIDS, THYROXINE, EPINEPHRINE, ACTH- INCREASE RATE OF LIPOLYSIS
LIPOGENESIS:
INSULIN