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