CMA - CH 21 Key Terms Flashcards
amino acid
basic structural unit of protein
antioxidant
something that prevents oxidation
ascorbic acid
Vitamin C
basal metabolic rate (BMR)
Level of energy that is required when the body is at rest.
beriberi
disease caused by a deficiency in vitamin B / thiamin; characterized by headaches, depression, anorexia, constipation, tachycardia, edema, and heart failure.
chachectic
describes a state of ill health, malnutrition, and wasting.
calories
unit of heat. The large calorie is used in discussion of human nutrition. The large calorie is also expressed as the kilogram calorie (kcal), equal to 1,000 small calories.
carotene
Vitamin A
cellulose
type of indigestible fiber made of carbs found in plants
cheilosis
caused by a deficiency of Vitamin B2 (riboflain) and characterized by sores on the lips and cracks in the corners of the mouth.
cholecalciferol
Vitamin D
cobalamin
Vitamin B12
coenzyme
Substance that enhances a catalyst.
digestion
Breaking down of food into smaller particles. Physical and chemical.
diuretics
Substance that causes less water to be reabsorbed into the kidney and therefore causes water to be excreted from the body.
electrochemical gradient
formation of electrical signals that allow information to flow through the nervous system.
electrolytes
substance that conducts electricity whose components are important in maintaining fluid and acid-base balance. Some minerals are electrolytes in that they become ionized and carry a positive or negative charge.
extracellular
pertaining to the environment outside of a body cell.
fat-soluble vitamin
pertaining to substances that are hydrophobic and therefore dissolve better in fat.
folic acid
One of the B complex vitamins.
glossitis
inflammation of the tongue
glycogen
Carbohydrate form used for storage of sugar in the body.
hemolysis
rupturing and destruction of the red blood cells during the process of blood collection. The serum or plasma becomes contaminated and has a reddish color.
homeostasis
the process that stops bleeding; either a natural balancing process of the body or by mechanical means (such as using a hemostat instrument to clamp a blood vessel)
hydrogenated
an unsaturated fat that is combined with hydrogen.
hypercalcemia
elevated level of calcium in the blood.
hyperkalemia
elevated level of potassium in the blood
hypermagnesemia
elevated magnesium in the blood
hypernatremia
elevated level of sodium in the blood.
hyperphosphatemia
elevated level of phosphorous in the blood.
major minerals
mineral that is required in large amounts by the body. SEVEN: calcium, phosphorus, sodium, potassium, magnesium, chloride, iron.
megaloblastic anemia
type of anemia characterized by many large, immature, and dysfunctional red blood cells.
metabolism
total of all changes, chemical and physical, that take place in the body. Also, the use of the nutrients that have been absorbed to maintain the living state of the cells and the entire body.
niacin
one of the B-complex vitamins
nutrients
ingested substance that helps the body stay in it’s homeostatic state.
nutrition
a complex process by which a plant or animal takes in, breaks into usable segments, and utilizes nutrients to sustain life.
pellagra
disease caused by a deficiency in vitamin B3 (nicotinic acid) characterized by sores on the skin, diarrhea, anxiety, confusion, and death if not treated.
pernicious anemia
chronic anemia caused by lack of hydrochloric acid in the stomach; weakness, fatigue, tingling of extremities, and even heart failure can result; vitamin B12 injections are the treatment for this condition.
preservatives
chemical added to food to keep it fresh longer, or added to urine to preserve it for testing.
pyridoxine
Vitamin B6
riboflavin
Vitamin B2
saturated fats
fats that are typically solid at room temp, most commonly found in animal products such as butter, milk, cream, and eggs as well as coconut and palm oils.
scurvy
deficiency in vitamin C characterized by the abnormal formation of bones and teeth. Signs of hemorrhage can appear, such as bruising.
thiamin
Vitamin B1
tocopherol
Vitamin E
trace minerals
Mineral required by the body in small amounts. IE: copper, chromium, molybdenum. selenium, manganese, iodine, zinc, cobalt, fluorine.
vasoconstriction
narrowing or constricting of blood vessels
vasodilation
relaxation of blood vessels, with decreased blood pressure.
water-soluble vitamin
vitamins that can be dissolved in water and are carried to the body’s tissues but are not stored in the body. IE: Vitamin C and the b vitamins.
Wernicke-Korsakoff Syndrom
a syndrome whose symptoms include a clinical triad of confusion, ataxia, and nystagmus caused by a deficiency of vitamin B1 (thiamine)
xerophthalmia
dry, lusterless mucous membranes of the eyes.
SEVEN BASIC NUTRIENT TYPES
- Carbohydrates
- Fats
- Proteins
- Vitamins
- Minerals
- Water
- Fiber