DHN 101 EXAM 3 2025/2026 GRADED A+
Which of the following foods is naturally a rich source of monounsaturated fatty acids? - Avocado
Compared to most unsaturated fatty acids, a trans fatty acid ________. - has at least one double
bond with hydrogen atoms on opposite sides of the hydrocarbon chain at the position of the double
bond
A scientist has isolated a fatty acid that has 26 carbons bonded together. All of the carbon atoms in
the chain are connected by single bonds. The only other elements in the compound are hydrogen
and oxygen. Based on this information, the compound is a(n) ________ fatty acid. - saturated
________ acid is an essential fatty acid. - Linoleic
Amanda consumes approximately 2500 kcal/day. According to recommendations of the Dietary
Guidelines (2015-2020), she should limit her saturated fat intake to fewer than ________ kcal/day. -
250
Which of the following statements is true?
Multiple Choice
The omega end of a fatty acid molecule is the acid portion of the molecule.
A fatty acid has a chain of carbons bonded to each other and to hydrogen atoms.
Correct
Most fatty acids in food are water soluble.
A fatty acid is a polymer of glucose molecules. - A fatty acid has a chain of carbons bonded to each
other and to hydrogen atoms.
Albert is a healthy, 23-year-old college student. He would like to know more about his risk of
cardiovascular disease, so he can take preventive measures, if they are necessary. Albert should
________. - have a lipoprotein profile performed on a sample of his blood
Don recorded his food intake for a week and then used a computerized dietary analysis program to
analyze his diet. According to the results of the analysis, his average daily saturated fat intake was 5%
of total calories and his average daily unsaturated fat intake was 12% of total calories. Based on this
, information, his total fat intake is ________ the Acceptable Macronutrient Distribution Range. -
below
A fasting blood HDL cholesterol level of ________ is considered desirable for healthy women. -
greater than 50 mg/dL
Which of the following statements about lipids is true? - Lipids dissolve in organic solvents, such as
alcohol and acetone.
Compared to a triglyceride molecule, an amino acid molecule ________. - has nitrogen in its
chemical structure
Which of the following amino acids can be made by the human body? - Alanine
Lily is 22 years of age. She usually consumes about 1800 kcal per day. According to AMDR guidelines,
protein should comprise ________% of her total energy intake. - 10 to 35
Gluten contains a peptide called ________ that, in those with celiac disease, can enter the intestinal
mucosa and activate the immune system. This then contributes to the destruction of villi and
resultant inflammation. - gliadin
Which of the following statements is true?
Multiple Choice
Proteins are a major component of starch molecules.
All hormones are proteins.
Protein is the primary energy source for the human body.
Certain proteins transport nutrients and oxygen in the bloodstream.
Correct - Certain proteins transport nutrients and oxygen in the bloodstream.
Which of the following statements is true?
Multiple Choice
In the United States, teenagers have the greatest risk of protein-energy malnutrition.
Which of the following foods is naturally a rich source of monounsaturated fatty acids? - Avocado
Compared to most unsaturated fatty acids, a trans fatty acid ________. - has at least one double
bond with hydrogen atoms on opposite sides of the hydrocarbon chain at the position of the double
bond
A scientist has isolated a fatty acid that has 26 carbons bonded together. All of the carbon atoms in
the chain are connected by single bonds. The only other elements in the compound are hydrogen
and oxygen. Based on this information, the compound is a(n) ________ fatty acid. - saturated
________ acid is an essential fatty acid. - Linoleic
Amanda consumes approximately 2500 kcal/day. According to recommendations of the Dietary
Guidelines (2015-2020), she should limit her saturated fat intake to fewer than ________ kcal/day. -
250
Which of the following statements is true?
Multiple Choice
The omega end of a fatty acid molecule is the acid portion of the molecule.
A fatty acid has a chain of carbons bonded to each other and to hydrogen atoms.
Correct
Most fatty acids in food are water soluble.
A fatty acid is a polymer of glucose molecules. - A fatty acid has a chain of carbons bonded to each
other and to hydrogen atoms.
Albert is a healthy, 23-year-old college student. He would like to know more about his risk of
cardiovascular disease, so he can take preventive measures, if they are necessary. Albert should
________. - have a lipoprotein profile performed on a sample of his blood
Don recorded his food intake for a week and then used a computerized dietary analysis program to
analyze his diet. According to the results of the analysis, his average daily saturated fat intake was 5%
of total calories and his average daily unsaturated fat intake was 12% of total calories. Based on this
, information, his total fat intake is ________ the Acceptable Macronutrient Distribution Range. -
below
A fasting blood HDL cholesterol level of ________ is considered desirable for healthy women. -
greater than 50 mg/dL
Which of the following statements about lipids is true? - Lipids dissolve in organic solvents, such as
alcohol and acetone.
Compared to a triglyceride molecule, an amino acid molecule ________. - has nitrogen in its
chemical structure
Which of the following amino acids can be made by the human body? - Alanine
Lily is 22 years of age. She usually consumes about 1800 kcal per day. According to AMDR guidelines,
protein should comprise ________% of her total energy intake. - 10 to 35
Gluten contains a peptide called ________ that, in those with celiac disease, can enter the intestinal
mucosa and activate the immune system. This then contributes to the destruction of villi and
resultant inflammation. - gliadin
Which of the following statements is true?
Multiple Choice
Proteins are a major component of starch molecules.
All hormones are proteins.
Protein is the primary energy source for the human body.
Certain proteins transport nutrients and oxygen in the bloodstream.
Correct - Certain proteins transport nutrients and oxygen in the bloodstream.
Which of the following statements is true?
Multiple Choice
In the United States, teenagers have the greatest risk of protein-energy malnutrition.
