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Hittinger's #2 Test (Chapter 6)
N/A
26
Nutrition
Undergraduate 4
10/06/2013

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Cards

Term
Vitamens
Definition
Micronutrients that contain carbon and assist us in regulating our body's processes. They are classified as water soluable or fat soluable
Term
Fat-soluable vitamens
Definition
Vitamens that are not soluable in water but soluble in fat. These include vitamens A,D,E, and K
Term
Megadosing
Definition
Taking a dose of a nutrient that is ten or more times greater than the recommended amount
Term
Water-soluble vitamens
Definition
Vitamens that are soluble in water. These include vitamen C and B-vitamens
Term
Retina
Definition
The delicate, light-sensitive membrane lining the inner eyeball and connected to the optic nerve. It contains retinal.
Term
Cell Differentiation
Definition
The process by which immature, undifferentiated cells develop into highly specialized functional cells of discrete organs and tissues
Term
Carotenoid
Definition
Fat-soluble plant pigment that the body stores in the liver and adipose tissues. The body is able to convert carotenoids to vitamen A.
Term
Night Blindness
Definition
A vitamen A-deficiency disorder that results in the loss of the ability to see in dim light.
Term
Rickets
Definition
A vitamen D-deficiency disease in children. Symptoms include deformities of the skeleton, such as bowed legs and knocked knees.
Term
Osteomalacia
Definition
Vitamen-D deficiency disease in adults, in which bones become weak and prone to fractures.
Term
Coenzyme
Definition
A compound that combines with an inactive enzyme to form an active enzyme.
Term
Antioxidant
Definition
A compound that has the ability to prevent or repair the damage caused by oxidation
Term
Free radical
Definition
A highly unstable atom with an unpaired electron in its outermost shell
Term
Collagen
Definition
A protein found in all connective tissues in our body
Term
Metabolism
Definition
The sum of all the chemical and physical processes by which the body breaks down and builds up molecules
Term
Beriberi
Definition
A disease caused by thiamin deficiency
Term
Ariboflavinosis
Definition
A condition caused by riboflavin deficiency
Term
pellagra
Definition
A disease that results from severe niacin deficiency
Term
Homocysteine
Definition
An amino acid that requires adequate levels of folate, vitamen B6, vitamen B12 for its metabolism. High levels of homocysteine in the blood are associated with an increased risk for vascular disease, such as cardiovascular disease
Term
Atrophic gastritis
Definition
A condition that reults in low stomach acid secretion, estimated to occur in about 10% to 30% of adults older than 50 years of age.
Term
Cancer
Definition
A group of diseases characterized by cells that reproduce spontaneously and independently and may invade other tissues and organs
Term
Tumor
Definition
Any newly formed mass of undifferentiated cells
Term
Phytochemicals
Definition
Chemicals found in plants, such as pigments and other substances, that may reduce our risk for diseases such as cancer and heart disease
Term
Characteristic of vitamen E
Definition
it is destroyed by exposure to high heat
Term
Taking daily megadoses of which nutrient may cause death?
Definition
Vitamin A
Term
Vitamen most closely associated with blood clotting
Definition
Vitamen K
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