Nutrition Ch 6
What is the RDA for protein?
.8 grams/KG
____involves a build up of excess fluid in tissues.
Edema
Most animal proteins are a good source of all nine ____ amino acids.
Essential
Blood prteins have no influence on body fluid balance.
False
Consuming protein has no effect on weight loss.
False
Fats and carbohydrates are rarely used to meet energy needs.
False
Most enzymes are lipids
False
Which of the following occurs with inadequate consumption of protein?
Immune function is impaired Protein concentration in the blood drops Edema can develop
Vitamin C helps w/ the absorption of
Iron
Protein deficiency is rarely an isolated condition and usually accompanies
Lack of nutrients Caloie deficiency
Which type of protein calorie malnutrition leads to severe muscle wasting and a "skin and bones" appearance
Marasmus
Which of the follwing might happen to someone w/ an illness?
Negative protein balance
Which of the following elements can be found in amino acids, but not in carbohydrates?
Nitrogen
Proteins serve which of the following functions
Protwins regulate and maintain essential body functions Proteins pla ya role in enzyme and hormone production. Proteins aid in blood clotting
How do proteins contribute to acid-base balance of the blood?
Pump ions into and out of cells Serve as buffers that resist changes in PH
Intact proteins are___ absored from the digestive tract.
Rarely
Plant proteins are a heart healthy alternative to animal proteins vecause they typically contain less/no ____than animal sources of protein
Saturated fat Cholestrol
People of african descent are more prone to what genetic disease?
Sickle cell anemia
Which of the following meal components contributes most to statiety?
Steak
Which of the following are potential causes of denaturation?
Stomach acid Heat
A diet rich in animal sources of protein may increase risk for cardivascular disease because
foods of animal orgin ar eoften high in sturated fat. foods of animal origin are often high in cholesterol.
A______is part of a plant family with pods that contain a single row of seeds.
legume
a(n)____ amino acid is one that can be synthesized by a healthy body in sufficient amounts.
non-essential
Ther are a total of___ nonessential amino acids that the body needs in order to function.
11
Proteins supply the body w/ about ____ kilocalories per gram.
4
Gabriel weighs 70 kilograms. Calculate his recommended daily intake for protein.
56 Grams (70*.8)
If Jonas weighs 154 lbs, how many kilograms does he weigh?
70 (154/2.2)
What percentage of the protein Americans consume comes from animal sources?
70%
How many amino acids are considered essential?
9
Edema refers to
Buildup of fluid in extracellular spaces
Phytochemicals have been implicated in prevention of
Cancer cardiovascular disease
Protein synthesis takes place in the
Cytoplasm
The nucleus is the storage site for ___ in the cell.
DNA
Sicle cell anemia is an example of what happens when there is variation in
DNA code
Which foods could a catovegetarian choos for breakfast?
Oatmeal w/ butter and sugar Calcium fortified OJ Yogurt w/ granola and blueberries
Put steps of protein digestion in order from start to finish
Partially digested proteins move from stomach into small instestine. Partially digested proteins trigger the release of hormone CCK. CCK causes pancrease to release protein-spitting enzymes. Trypsin divides the chains of amino acids into smaller amino acid segments.
___________is a major stomach enzyme used for digesting proteins
Pepsin
A_____ protein balance occurs when protein intake exceeds daily protein losses.
Positive
Which of the following occurs when a person consumes more protein daily than he/she loses
Positive protein balance
Every cell contains___
Protein
Nutrient that forms important structures in the body, makes up a key part of the blood, helps regulat many body functions, and can fuel body cells. Amino acids join together to form this nutrient
Protein
Pepsin is a major stomach enzyme for digesting___
Protein
What macronutrient provides the highest feeling of satiety?
Protein
Which is a function of protein?
Protein supplies nitrogen in a form we can readily use. Protein is necessary for the visual process. Protein is necessary for fluid balance. Protein serves multiple functions in body
Almost all enzymes are___
Proteins
__Help regulate the acid-base balance in blood.
Proteins
How does changing a proteins shape affect the protein?
The protein loses its biological activity It destroys the protein's ability to function.
Which will a vegan eat?
Tofu Watermelon Vegetable Oil
The defining characteristic of a nut is that it grows on a _____
Tree
Changing a protein's shape can destroy its ability to function normally.
True
Due to starvation, amino acids from muscle tissue are converted into glucose. This wastes muscle tissue and can lead to edema.
True
Many diseases stem from errors in DNA code.
True
What is the bedst way to consume amino acids?
Whole food
A -___bond is a chemical bond formed between single amino acids in a protein.
peptide
the liver and kidneys must work hard to derive energy from _____, which makes it a cstly source of calories.
protein