Nutrition Flashcards
What are the sic classes of nutrients
Carbohydrates Proteins Lipids vitamins mineral water
Organic compounds made up of carbon, hydrogen, and oxygen. It provides source of energy `
Carbohydrates
How much carbohydrates should you consume
4 kilocalories/gram
Carbohydrates include
Monosaccharides, disaccharides, and complex polysaccharides
Single sugar (simplest carbohydrates)
Monosaccharides
Which monosaccharides is the main fuel for brain and needed for WBCs and RBCs
Most abundant carbohydrate found in nature
Glucose (dextrose)
Sweetest of the monosaccharides
Fructose (levulose) Fruit sugar
This monosaccharides is compound of milk sugar
body converts glucose to galactose in mammary tissue during lactation
Galactose
Double sugars, made up of two monosaccharides
Disaccharides
What is made up of glucose and fructose
Sucrose table sugar
Made up of glucose and galactose
Lactose (Milk sugar)
Made up of 2 glucose molecules
Maltose (plant sugar)
Composed of more than 10 sugar units
Polysaccharides (complex)
Plant storage form of glucose (amylose and amylopectin)
Nutritionally most important carbohydrate
Digestible; breaks down at a slow rate
Starch
This polysaccharides provides a carbohydrate storage form of energy in animals/humans (glycogenesis)
Glycogen
Can be dietary (insoluble) or functional (soluble)
Should consume 25-38 grams/day
Fibers
Initial digestion (chemical) begins in the mouth with enzyme Breaks down into maltose
Polysaccharides (Starch)
Broken down by enzymes
Disaccharides
Sucrase breaks down sucrose into
glucose and fructose
Lactase breaks down lactose into
glucose and galactose
Maltase breaks down maltose into
2 molecules of glucose
Two monosaccharides that make up lactose?
Glucose and galactose
What is the active ingredient in Splenda
Sucralose
If you have phenylketonuria (PKU) what sweetener CANT you use
Equal
What gum should you chew after eating something sweet (3-5mins)
Xylitol
Active ingredient in Sweet’N Low
Saccharin
Active ingredient in NutraSweet and Equal
Aspartame
Active ingredient in Sunette and Sweet One
Acesulfame-K
Metabolic disorder characterized by high blood glucose levels due to insufficient insulin or ineffective insulin function. When glucose levels are elevated in the blood and cells, tissue damage will result
Diabetes Mellitus
Which type of diabetes is insulin dependent
Type 1 diabetes Mellitus (T1DM)
Which type of diabetes is non-insulin dependent and associated with obesity
Type 2 Diabetes Mellitus (T2DM)
Signs and Symptoms of diabetes
Hyperglycemia
Acetone breath
Ketonemia/ketonuria
Polydipsia/polyuria/ polyphagia
Abnormally high blood glucose concentration
Hyperglycemia
Fruity odor on breath (as a result of ketosis)
Acetone breath
Ketones in blood/urine
Ketonemia/ ketonuria
increased thirst
Polydipsia
increased urination
Polyuria
increased appetite
polyphagia
For a diabetic when should you schedule there appointment
early in the day, following breakfast
this is low blood glucose levels (Remember the brain is fueled entirely by glucose) less than 70 mg/dl
Hypoglycemia
Symptoms of hypoglycemia
shakiness dizziness sweating headaches irritability hunger lightheadedness Palpitations (not lowered heart rate)
In diet survey what is most important
frequency of intake
Organic compounds made up of amino acids.
Contain the elements carbon, hydrogen, oxygen, and nitrogen (and sometimes sulfur)
Proteins
What is the main function of proteins
is to repair/build tissues/cells
Body cannot synthesize these amino acids, must be obtain from the diet, they are 9
Essential (Indispensable) amino acids
These amino acids are synthesized on the liver or derived from the diet, 11 of them
Nonessential (dispensable)
With proteins where does the digestion begins in what?
Stomach
Inborn error of metabolism
Liver cannot metabolize essential amino acid phenylalanine into nonessential amino acid tyrosine
Phenylketonuria (PKU)
Avoid aspartame (Nutra sweet or Equal)
Phenylketonuria (PKU)
organic nutrients needed by the body in small quantities
Vitamins
Fat-soluble Vitamins include
A,D,E and K
Soluble in fats and fat solvents and stored in liver and fatty tissues
Not readily excreted and therefore can build up to toxic levels
Fat-soluble vitamins
Functions of this Vitamin prevents night blindness
Maintains bone health and immune functions
Vitamin A
Function of this Vitamin is to absorption of calcium and phosphorus
Bone health and immune function
Vitamin D
The Nutritional Deficiency and disease of this vitamin is Rickets and Osteomalacia and Enamel Hypoplasia
Vitamin D
Functions of this Vitamin is antioxidant; stimulates immune response
Vitamin E (tocopherol)
Function of this Vitamin aids in the formation of blood-clotting factor prothrombin bine health
Vitamin K
Sources of this Vitamin
Green leafy vegetables and canola and soybean oils
Deficiencies of Vitamin K is what
Hemorrhaging
Deficiencies of Vitamin A is
Night blindness and stunting of bones
Water-soluble Vitamins include
B and C
easily absorbed and excreted; therefore, unlikely to reach toxic levels
Water-soluble Vitamins
The main function of water-soluble vitamins include
metabolism of carbohydrates, fats, proteins and blood formation (hemopoiesis)
The function of this vitamin is to coenzyme needed for nerve function and energy metabolism
Thiamine (B1)
Thiamine is
B1
Deficiency and Disease of Thiamine (B1) is
Beri Beri- Damages nervous and cardiovascular systems
Riboflavin=
B2
Function of Riboflavin B2 is
prevents cheilosis and glossitis
Niacin=
B3
Function of Niacin (B3)
Coenzyme in energy ,metabolism
Deficiency of Niacin (B3) is
Pellagra (4Ds Dementia, diarrhea, dermatitis (rough, painful skin) death
Function of folate (Folacin, Folic Acid)
Assists of forming DNA and RNA and RBC formation
Deficiency of Folate (Folacin, Folic acid) B9
Megaloblastic anemia
glossitis
diarrhea
birth defects (spina bifada)
Which Vitamin is the most common deficiency in the US
Folic Aid, Folacin and Folate
Cobalamin or Cyanocobalamin=
B12
Functions of B12 is
Helps builds tissues, maintains nerve cells and essential for RBC development
Which Vitamin is needed for folate metabolism
Cobalamin (Cyanocobalamin B12)
Deficiency of Vit B12 is
found in strict vegetarians; pernicious anemia-weakness, sore tongue, and apathy
Vitamin C=
Ascorbic acid
Functions of Vitamin C is
Promotes synthesis of proteins collagen (connective tissue); antioxidant
Deficiency of Vit C is
Scurvy; swollen and bleeding gingiva; delayed wound healing and loosening of teeth
what is scurvy
ruptured blood vessels
Most abundant mineral in the body
Calcium ( all cells need calcium)
Functions of Calcium are
Forms and maintains bones and teeth
Coagulates blood
Deficiency of Calcium
Rickets
osteomalacia
osteoporosis
Which Vitamin helps absorb calcium
Vitamin D
This contributes the high blood pressure which can lead to heart disease and stroke; hypertension is not cause by this
Sodium
self-starvation due to a distorted body image, fear of gaining weight
Anorexia nervosa
Episodes of binge eating followed by purging (vomiting, use of laxatives and purgatives or diuretic abuse) to prevent weight gain
Bulimia
What are oral manifestation of Bulimia
Dental erosion Restorative erosion Thermal sensitivity of teeth Enlarged parotid glands Cheilosis Pharyngeal tears and erythema of the palate, pharynx, and posterior tongue
What type of fluoride should be used with bulimia
sodium fluoride rinses sodium bicarbonate (baking soda)
Glucose of also known as? A. Maltose B. levulose C. glycogen D. Dextrose
Dextrose
Another name for maltose is
Disaccharide
Another name for levulose is
Fructose
Another name for glycogen is
Carbohydrates
Sucrose is hydrolyzed into: A glucose and fructose B. Glucose and galactose C. Two molecules of glucose D. Two molecules of fructose
Glucose and fructose
Each of the following is a sign and symptom of disbetes EXCEPT one A Ketonemia B Acetone breath C Hyperglycemia D Decreased Appetite
Decreased appetite
Increased is the answer
Good examples of complete protein include? A. Meat, fruit, and fish B. meat eggs, and cheese C. meat fruit, vegetables D. grains, fruit, and vegetables
meat, eggs and cheese
Aspartame should NOT be consumed by individuals with: A. diabetes B. marasmus C. phenylketonuria D. high blood pressure
Phyenylketonuria PKU
Which fatty acids maintain serum cholesterol levels? A. Saturated B. Derived lipid C. Polyunsaturated D. Monounsaturated
Monounsaturated
Linoleic fatty acid is also known as Omega-3 . Source of linoleic fatty acid include mackerel and salmon
both are false
Linoleic fatty acid is known as Omega-6
and sources include vegetable oils
Which vitamin can interfere with the function of vitamin K? A B1 B C C. D D. E
Vitamin E
Which vitamin is essential for the absorption of calcium and phosphorus? A. E B. A C. D D. B3
Vitamin D
Which is NOT a component of Vit B complex A. Thiamine B Folic acid C. Ascorbic Acid D. Pantothenic acid
Ascorbic acid
Which vitamin promotes the synthesis of collagen A. D B. A C. C D. K
Vit C
What are the monosaccharides
Glucose
Fructose
Galactose
What are the disaccharides
Sucrose
Lactose
Maltose
What are the Polysaccharides
Starch
Glycogen
Fibers