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30 Cards in this Set

  • Front
  • Back
True or False

Proteins are the third most plentiful substance in the body.
False - They are the second most plentiful substance in the body.
Proteins contain the following elements EXCEPT

a. sometimes sulfur
b. carbon
c. oxygen
d. hydrogen
e. nitrogen
f. sometimes potassium
f. sometimes potassium - it is actually sometimes phosphorus
Which of the following is NOT an essential acid?

a. Tyrosine
b. Tryptophan
c. Threonine
d. all are essential amino acids
a. Tyrosine is a conditionally essential amino acid
Shoot of a quick list of essential amino acids... QUICK GO!!!
Threonine, valine, leucine, isoleucine, phenylalanine, tryptophan, histidine, lysine, methionine.
Shoot off a quick list of nonessential acids.... HURRY UP DAMNIT!
*Glycine, *Cysteine, *Arginine, *Tyrosine, *Proline, Alanine, Aspartic acid, glutamic acid, serine

* = conditionally essential amino acids
The amount of ____ furnished by a food determines its ability to support growth, maintenance, and repair.
A ____ is an amino acid that is normally non-essential, but must be supplied by the diet in special circumstances when the need for it exceeds the body's ability to produce it.
Conditionally essential
High quality proteins supply amounts of the ____ EEAS which is adequate to maintain nitrogen balance and permit growth.

a. 6
b. 7
c. 8
d. 9
d. 9
Which of the following is NOT a cause of a negative nitrogen balance?

a. excessive sodium intake
b. infection
c. starvation
d. protein deficient diets
a. excessive sodium intake won't result in a nitrogen imbalance
Protein is approximately ____% nitrogen.

a. 12
b. 14
c. 16
d. 18
c. 16%
_____ is a value of how well proteins can be converted into body proteins.
biologic value
Foods of high biologic value containing high quality proteins include all but:

a. gelatin
b. meat
c. eggs
d. dairy products
a. gelatin because it doesn't contain tryptophan
My name is ____.

a. Vicki
b. Niki
c. Smruti
d. Hey You!
a. Vicki
True or False

Low quality proteins cannot support life.
False- they can support life, but not growth.
Where would you find low quality proteins?
legumes, nuts, and grains
_______ is a strategy of combining two protein foods in a meal so that each food provides the essential amino acids that is lacking in the other.

a. mutual supplementation
b. mutual complementation
c. dual supplementation
d. dual complementation
a. mutual supplementation
______ are the principal source of nitrogen for the body and are fundamental components of body cells.

a. Lipids
b. Proteins
c. Carbohydrates
d. Vitamins
b. proteins
What are the 7 functions of proteins?
1. Generation of new body tissues
2. Repair body tissues
3. Production of essential compounds
4. Regulation of fluid balance (via blood albumin)
5. Resistance to disease
6. Transport mechanism
7. Energy
The estrablished RDA for protein for all adults per day is:

a. .5gm/kg
b. .6gm/kg
c. .7gm/kg
d. .8gm/kg
What kinds of groups are susceptible to protein deficiency?
1. old
2. poor
3. strict vegetarian
4. stupid - bad education/shopping choices
5. sick
What is commonly seen when calories and high quality proteins are insufficient?

a. REM
b. MEM
c. PEM
d. TEM
c. PEM - protein energy malnutrition
______ levels are decreased with PEM.

a. SIGA - Which serves as the first line of defense in the oral cavity
NOMA is the result of

a. Calcium deficiency
b. Phosphorus deficiency
c. Protein deficiency
d. Vitamin K deficiency
c. Protein deficiency - NOMA is a severe gangrenous process usually presenting as a small ulcer on the gingiva that becomes necrotic and spreads to produce extensive destruction of the lips, cheeks, and tissues covering the jaw.
Kwashiorkor is caused by ______ deficiency even when ______ are adequate.

a. protein, calories
b. calories, protein
c. carbohydrate, protein
d. none of the above
a. protein, calories
______ occurs when calories and proteins are deficient.
____ is an inborn error of protein metabolism.

a. PEM
b. PKU
c. Wilson diseaswe
d. Thalassemia
b. PKU - people with this disease are incapable of converting the EA phenylalanine to tyrosine
Untreated high levels of PKU can result it

a. stunted growth
b. hypocalcified enamel
c. mental retardation
d. poor salivary gland developement.
c. mental retardation
Americans frequently consume ____% - ______% of the RDA for protein.
150% - 200%
High protein intake affects ___ balance.

a. Vitamin K
b. Vitamin B12
c. Phosphorus
d. Calcium
d. calcium
True or False

A high protein diet in an infant produces a fluid imbalance.