Combining nutrient oxygen within the cell; also called oxidation.
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Albumin
Protein that occurs in blood plasma
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Alkalosis
Condition in which excess base accumulates in, or acids are lost from, the body.
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Amino acids
Nitrogen containing chemical compounds of which protein is composed
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Amphetamines
Drugs intended to inhibit appetite
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Anemia
Condition caused by insufficient number of red blood cells, hemoglobin or blood volume.
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Angina pectoris
Pain in the heart muscle due to inadequate blood supply.
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arteriosclerosis
Generic term for thickened arteries
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Arthritis
Chronic disease involving the joints
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ascites
Abnormal collection of fluid in the abdomen.
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aspartame
Artificial sweetener made from two amino acid; does not require insulin for metabolism
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aspirated
Inhaled or suctioned
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Atherosclerosis
a form of arteriolosclerosis affecting the intima (inner lining) of the artery walls
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avitaminosis
Without vitamins
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Beriberi
Deficiency disease caused by lack of vitamin b1 thiamine. Legs feel heavy feet burn and muscles degenerate.
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Basal metabolism rate BMR
The rate at which energy is needed for body maintenance.
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bile
Secretion of the liver, stored in the gallbladder, essential for the digestion of fat.
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Bioavailable
The ability of a nutrient to be readily absorbed and used by the body
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biotin
a B vitamin, necessary for metabolism
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Bolus
Food in the mouth that is ready to be swallowed
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Botulism
Deadliest of food poisoning; cost by the bacteria Clostridium botulinum
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bran
outer covering of grain kernels. Contains minerals B vitamins cellulose and protein
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Buffer systems
Protective systems regulating amounts of hydrogen ions in body fluids
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Cachexia
Severe malnutrition and body wasting caused by chronic disease
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caliper
Mechanical device used to measure percentage of body fat by skinfold measurement
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calorie
Represents the amount of heat needed to raise temperature of 1 kg of water 1°C
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Carboxypeptidase
pancreatic enzyme necessary for protein digestion
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nutrients (6)
Chemical substances that are found in food and necessary for good health. Carbohydrates, fats, proteins, vitamins, minerals, water.
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Essential nutrient
Nutrients found only in food
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Carbohydrates
About 50% of diet. Provides energy. Protein sparing action. Normal fat metabolism. Three types.
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Monosaccharides
Simplest form of carbohydrates. No digestion required. Can be easily absorbed directly into the blood stream from the small intestine they include glucose fructose and galactose
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Disaccharides
Double sugars. Hydrolysis to monosaccharides. Examples are sucrose maltose and lactose
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Lactose intolerance
Inability to digest lactose because if you lack of the enzyme lactase; causes abdominal cramps and diarrhea
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Polysaccharides
Complex carbohydrates containing combinations of monosaccharides. Examples include starch dextrin cellulose and glycogen
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Glycogen
Glucose that is stored in the liver and muscles. Approximately 1/2 day supply of energy is stored as glycogen in the liver and muscles
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Fiber
Indigestible parts of plants; absorbs water in large intestine, helping to create soft stool.
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Cellulose
Primary sources of dietary fiber
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Endosperm
The inner part of the kernel of grain; contains a carbohydrate. Contain starch protein and some B vitamins
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germ
Smallest part of the grain and is a rich source of B vitamins vitamin E minerals and proteins
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Lipids and fat
Formed from glycerol Provides energy. 9 calories
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hypercholesterolemia
Unusually high levels of cholesterol and blood; also known as high serum cholesterol. Common in clients with atherosclerosis.
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plaque
Fatty deposit on interior of artery walls. When plaque blocks the heart a heart attack occurs. When it blocks the brain a stroke occurs.
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function of stomach
temporary storage of food. mixing of food with gastric juices. regulation of a slow, controlled emptying of food into the intestine. sexretion of the factor for B12. destruction of most bacteria.
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sphincter malfunction
causes acid reflux disease.
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chyme
food mass as it has been mixed with gastric juices
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gastric juices
digestive secretions in stomach. contain HCl, pepsin, mucus. HCl activates pepsin to digest protein. children have two additinal enzymes rennin-milk protein, and gastric lipase-butterfat
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salivary amylase
component of saliva that starts the digestion of starch in the mouth
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duodenum
Chyme moves through the pyloric sphincter into the duodenum the first section of the small intestine.
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secretin
hormone that is released when food reaches the small intestine that causes the pancreas to release sodium bicarbonate to neutralize chyme
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cholecytokinin (cck)
triggers gallbladder to release bile for the digestion of fat
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pancreatic proteases
the enzyme secreted by the pancreas that digests proteins
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pancreatic amylase
converts starches to simple sugars
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pancreatic lipase
reduces fats to fatty acids and glycerol
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small intestine in digestion
most nutrients absorbed. breaks down lactose maltose and sucrose.
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peptidases
break proteins down into amino acids
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colon
large intestine. funtion: absorb water and salts from undigested food. makes volatile acids.
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volatile fatty acids
acetate, propionate, butyrate. absorbed from large intestine and used as energy.
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vitamins
organic compounds that enable the body to use energy provided by fats carbs and proteins. can not cure.
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fat soluble vitamin deficency
occur in those with chronic malabsorbtion disease such as cystic fibrosis, celiac, and chrons disease.
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fat soluble. vitamins
A D E K. not lost easily in cooking but lost with mineral oil. after absprbtion they are transported through the body by lipoproteins. megadoses more common because they are stored
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water soluble vitamins
B and c. easily destroyed easily by air light and cooking
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Vitamin A
An antioxidant plays an important role in vision, bone growth, reproduction, cell division, antioxidant, regulates immune system.
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retinol
The active form of vitamin A. Preformed vitamin A
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carotenoids
Provitamin A. Think carrots and other orange and green fruits. May reduce the risk of cancer
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xeropthalmia
blindness caused by mucous membranes of eye Sign of a deficiency of vitamin K.
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Vitamin D
Prohormone Of calcium and phosphorus. Heat-stable and not easily oxidized.
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rickets
Deficiency disease caused by a lack of vitamin D; causes malformed bones and pain in infants
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Deficiency of vitamin D
May lead to osteomalacia which then can evolve into osteoporosis
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Vitamin E
antioxidant. Essential for protection of cell structure, especially of red blood cells
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hemolysis
destruction of red blood cells due to lack of vitamin E
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vitamin K
essential in blood clotting. deficiency leads to hemorrhaging.
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thiamine
Metabolism of carbohydrates and some amino acids. Also essential to nerve and muscle action. Absorbed in the small intestine.
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riboflavin B2
essential for carbohydrate fat and protein metabolism. Necessary for tissue maintenance. And healthy eyes
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niacin
Serves as a Coenzyme in energy metabolism and consequently essential to every body cell.
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pellagra
Disease to choose deficiency of niacin. Characterized by sores on the skin by diarrhea, anxiety, confusion, irritability, poor memory, dizziness, and untimely death if left untreated.
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vitamin b6
Essential for protein metabolism and absorption, aids in the release of glucose from glycogen, amino acids present in excessive amounts can be converted to those in which the body is temporarily deficient
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cobalamin vitamin b12
Contains cobalt. Involved in folate metabolism, maintenance of the myelin sheath, and healthy red blood cells.
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meyelin
Lipoprotein essential for the protection of nerves.
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intrinsic factor
Secretion of stomach mucosa essential for B12 absorption
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pernicious anemia
Severe, chronic anemia cost by deficiency of vitamin B 12; UC due to the bodies inability to absorb B12 may mostly due to gastric secretions interested with a special receptor cells because of disease or surgery
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campylobacter jejuni
transmitted through unpasturized milk, contaminated water, raw meat, shellfish. Caused by indigestion of bacteria. Symptoms diarrhea fever headache abdominal pain and nausea