Viewing All Flashcards for Chapter 4- Nutrition
Carbon, hydrogen, and oxygen
Complex twists and folds of polypeptide chains
An amino acid the is sufficiently produced by the body itself. another term is dispensable.
An amino acid that they body cannot produce on its own in sufficient amounts. another term is indespensible.
Amino acids that were once nonessential but became essential bc the body is no longer able to synthesize them in suffiecient amounts due to illness
A catalyst essential to all life processes and facilitates specific chemical reaction
To assemble and dismantle all compounds used in tissue building and other metabolic work
They transport particles into and out of cell for an even balance. proteins also determine distribution of fluids in 3 major body compartments
The compostition of the fluid and they quanity of fluid
In there is a disturbance in the balance of fluid and electrolytes
To resist disease. To fight bacteria, viruses, and other disease producing agents.
Sterols or proteins, defined as chemical messengers
The function is to carry materials from one organ to another. An example is hemoglobin in the blood.
Protein turnover is the process of breakdown, recovery, and synthesis of a tissue. IT takes care of growth, repair, and maintenance.
It must use vital proteins or amino acids to provide energy
Africa, central&south america, middleast, south& east asia
Elderly, homeless, peopel who live on reservations, impoverished in the city and rural areas, anorexics
Marasmus is chronic. kwashiorkor is acute.
Appetite may be normal or impaired, less than 60% wieght for age, dry wrinkled skin, brittle hair,
Heart Disease, kidney disease, adult bone loss.
Increase protein encourages excretion of urinary calcium
It does not cause kidney disease but it can accelerate the decline in function by adding more work for the kidneys
Foods high in protein are animal derived foods. These foods are also high in cholesterol and saturated fat which may cause heart disease
It adds a burden on the kidneys to excrete excess nitrogen
They may increase protein synthesis, but they are not proven in increase muscle mass
Not enough research has been done
Childbearing&lactating women, elderly, infants, children, adolescents, individuals w metabolism erros, individuals w. theraputic low protein diets, individuals who use suplements wi.o medical supervision
.8 grams forevery kilogram of body weight
Pregnant&lactating women, infants, and children
Good quality protein will be consumed, they will be consumed together with adequate enrgy from fat and carbs, other nutrients in the diet will be adequate, and individuals have no unusual alteration in protein metabolism
Nitrogen intake vs nitrogen outake within a given period of time
Fasting, starvation, trauma, burns