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Quiz 4: Proteins
What is the usual state of nitrogen balance for healthy infants, children, and pregnant
women?
Select one:
a.
Positive
b.
Equilibrium
c.
Negative
d.
Metabolic
Feedback
Your answer is correct.
The correct answer is: Positive
Question text
Nonessential amino acids:
Select one:
a.
can be synthesized in the body.
b.
are needed for growth and maintenance of tissue.
c.
are valuable sources of nitrogen for the body.
d.
two of the above.
e.
all of the above.
Feedback
The correct answer is: all of the above.
Question text
When two amino acids are chemically joined together, the resulting structure is called
a
Select one:
a.
Dipeptide
b.
Diglyceride
c.
Polypeptide
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d.
Polysaccharide
Feedback
The correct answer is: Dipeptide
Question text
Which of the following is a feature of an essential amino acid?
Select one:
a.
It is note necessary in the diet
b.
It must be supplied by the diet
c.
It can be made from fat in the body
d.
It can be made from glucose in the body
Feedback
The correct answer is: It must be supplied by the diet
Question text
Which of the following statements describes the glycemic effect of foods?
Select one:
a.
a measure of how fast and high the food causes the blood glucose to rise
b.
the newest, most practical means for planning diets for people with diabetes
c.
a well-utilized, highly valued mechanism to control the intake of simple sugars
d.
a measure of the percentage of digestible carbohydrates in relation to total energy
content of food.
Feedback
The correct answer is: a measure of how fast and high the food causes the blood
glucose to rise
Question text
If the diet is lacking an amino acid, what will be the likely course of action?
Select one:
a.
Health will not be affected as long as other nutrients are adequate.
b.
Proteins will be made but they will lack that particular amino acid.
c.
Body cells with synthesize it.
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d.
Protein synthesis will be limited.
Feedback
The correct answer is: Protein synthesis will be limited.
Question text
What function does a buffer perform?
Select one:
a.
Helps emulsifies fat
b.
Helps maintain a constant pH
c.
Facilities chemical reactions
d.
Helps protest against plaque buildup
Feedback
The correct answer is: Helps maintain a constant pH
Question text
The application of heat or acid to a protein that causes its shape to change is known
as;
Select one:
a.
Destabilization
b.
Stiffening
c.
Denaturation
d.
Condensation
Feedback
The correct answer is: Denaturation
Question text
What is a “limiting” amino acid in a protein?
Select one:
a.
An amino acid of the wrong structure to be utilized for protein synthesis effectively
b.
A nonessential amino acid present in high amounts which inhibits protein synthesis
c.
A essential amino acids present in insufficient quaintly for body protein synthesis to
take place
d.
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An amino acid that limits the absorption of other essential amino acids by competing
with them for transport sites within the GI tract
Feedback
The correct answer is: A essential amino acids present in insufficient quaintly for body
protein synthesis to take place
Question text
Which of the following is related to the quality of a food protein?
Select one:
a.
Essential amino acid balance
b.
Nonessential amino acid balance
c.
Total amino acids per gram of food
d.
Quantity of nonessential amino acids that can be converted to glucose
Feedback
The correct answer is: Essential amino acid balance
Question text
In comparison to the composition of carbohydrates and fats, which element found in
proteins makes them unique?
Select one:
a.
Carbon
b.
Oxygen
c.
Nitrogen
d.
Hydrogen
Feedback
The correct answer is: Nitrogen
Question text
When nitrogen taken into the body exceeds nitrogen losses, we say the person is in
______.
Select one:
a.
a healthy state
b.
positive nitrogen balance
c.
nitrogen equilibrium
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d.
negative nitrogen balance
Feedback
The correct answer is: positive nitrogen balance
Question text
What is the most likely reason for a person to have abnormally high blood ammonia
levels?
Select one:
a.
Kidney dysfunction
b.
Liver dysfunction
c.
Protein intake one-tenth the RDA
d.
Protein intake twice the RDA
Feedback
The correct answer is: Liver dysfunction
Question text
In what organ is pepsin active?
Select one:
a.
Stomach
b.
Pancreas
c.
Small intestine
d.
Large intestine
Feedback
The correct answer is: Stomach
Question text
What is the primary organ for production of urea?
Select one:
a.
Liver
b.
Pancreas
c.
Small intestine
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d.
Large intestine
Feedback
The correct answer is: Liver
Question text
What is the simplest amino acid?
Select one:
a.
Methionine
b.
Valine
c.
Alanine
d.
Glycine
e.
Tryptophan
Feedback
The correct answer is: Glycine

Unformatted Attachment Preview

Quiz 4: Proteins What is the usual state of nitrogen balance for healthy infants, children, and pregnant women? Select one: a. Positive b. Equilibrium c. Negative d. Metabolic Feedback Your answer is correct. The correct answer is: Positive Question text Nonessential amino acids: Select one: a. can be synthesized in the body. b. are needed for growth and maintenance of tissue. c. are valuable sources of nitrogen for the body. d. two of the above. e. all of the above. Feedback The correct answer is: all of the above. Question text When two amino acids are chemically joined together, the resulting structure is called a Select one: a. Dipeptide b. Diglyceride c. Polypeptide d. Polysaccharide Feedback The correct answer is: Dipeptide Question text Which of the following is a feature of an essential amino acid? Select one: a. It is note necessary in the diet b. It must be supplied by the diet c. It can be made from fat in the body d. It can be made from glucose in the body Feedback The correct answer is: It must be supplied by the diet Question text Which of the following statements describes the glycemic effect of foods? Select one: a. a measure of how fast and high the food causes the blood glucose to rise b. the newest, most practical means for planning diets for people with diabetes c. a well-utilized, highly valued mechanism to control the intake of simple sugars d. a measure of the percentage of digestible carbohydrates in relation to total energy content of food. Feedback The correct answer is: a measure of how fast and high the food causes the blood glucose to rise Question text If the diet is lacking an amino acid, what will be the likely course of action? Select one: a. Health will not be affected as long as other nutrients are adequate. b. Proteins will be made but they will lack that particular amino acid. c. Body cells with synthesize it. d. Protein synthesis will be limited. Feedback The correct answer is: Protein synthesis will be limited. Question text What function does a buffer perform? Select one: a. Helps emulsifies fat b. Helps maintain a constant pH c. Facilities chemical reactions d. Helps protest against plaque buildup Feedback The correct answer is: Helps maintain a constant pH Question text The application of heat or acid to a protein that causes its shape to change is known as; Select one: a. Destabilization b. Stiffening c. Denaturation d. Condensation Feedback The correct answer is: Denaturation Question text What is a “limiting” amino acid in a protein? Select one: a. An amino acid of the wrong structure to be utilized for protein synthesis effectively b. A nonessential amino acid present in high amounts which inhibits protein synthesis c. A essential amino acids present in insufficient quaintly for body protein synthesis to take place d. An amino acid that limits the absorption of other essential amino acids by competing with them for transport sites within the GI tract Feedback The correct answer is: A essential amino acids present in insufficient quaintly for body protein synthesis to take place Question text Which of the following is related to the quality of a food protein? Select one: a. Essential amino acid balance b. Nonessential amino acid balance c. Total amino acids per gram of food d. Quantity of nonessential amino acids that can be converted to glucose Feedback The correct answer is: Essential amino acid balance Question text In comparison to the composition of carbohydrates and fats, which element found in proteins makes them unique? Select one: a. Carbon b. Oxygen c. Nitrogen d. Hydrogen Feedback The correct answer is: Nitrogen Question text When nitrogen taken into the body exceeds nitrogen losses, we say the person is in ______. Select one: a. a healthy state b. positive nitrogen balance c. nitrogen equilibrium d. negative nitrogen balance Feedback The correct answer is: positive nitrogen balance Question text What is the most likely reason for a person to have abnormally high blood ammonia levels? Select one: a. Kidney dysfunction b. Liver dysfunction c. Protein intake one-tenth the RDA d. Protein intake twice the RDA Feedback The correct answer is: Liver dysfunction Question text In what organ is pepsin active? Select one: a. Stomach b. Pancreas c. Small intestine d. Large intestine Feedback The correct answer is: Stomach Question text What is the primary organ for production of urea? Select one: a. Liver b. Pancreas c. Small intestine d. Large intestine Feedback The correct answer is: Liver Question text What is the simplest amino acid? Select one: a. Methionine b. Valine c. Alanine d. Glycine e. Tryptophan Feedback The correct answer is: Glycine Name: Description: ...
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