NDFS 100 Exam 2 (Chapter 5-7) Questions with Correct Answers Latest Update 2025/2026
Transamination - Answers Moving the amino or nitrogen group
Deamination - Answers
Protein digestion - Answers 1: Nothing
2: Acid denatures
3: Acid Neutralized, di-, tri-peptides, aa
4: Breakdown of amino acid, absorption of aa
5: AA----liver
Which is true about protein digestion and absorption? - Answers Proteins are broken down into
individual amino acids and absorbed in the small intestine.
Roles of protein - Answers Structure, regulation, energy, growth and development, antibodies,
blood clotting, enzymes & hormones, transporters, fluid and electrolyte balance.
Positive Nitrogen balance - Answers adding tissue ( a growing child, a pregnant woman, building
muscle)
Nitrogen Equilibrium - Answers equal in and out (a healthy college student)
Negative Nitrogen Balance - Answers losing tissue, excreting more than you digested.
(Astronaut, surgery patient)
High quality protein
Mid-range protein
Lower-quality protein - Answers Meat
Legumes
Grains
AMDR for Protein - Answers 10-35% of calories
RDA (DRI) for protein - Answers .8 g/kg
135 lbs, what is the RDA? - Answers 48 g
(135/2.2= 60
Brandon weighs 165 lbs. What is his RDA for protein? - Answers 60 g
, (165/2.2= 75
75x.8= 60 g)
What is false regarding protein supplements? - Answers Eating a protein supplement without
physical exercise will
Protein is wasted when - Answers Insufficient energy intake, excess protein intake, excess
single amino acid, too few essential amino acids.
Inadequate Protein Intake - Answers usually deficient in energy and other nutrients, health
consequences (growing decreases diseases resistance goes down, susceptibility to infections
goes up, edema (swelling), kidney and heart problems, apathetic, listless)
Extra amino acid - Answers Competes for absorption
Celiac Disease - Answers autoimmune response to protein in wheat, barley, and rye
Villi are flattened and detroyed, reducing nutrient absorption (biopsy)
Celiac Disease Cause - Answers Genetic component and trigger (stress, trauma or possible viral
infection
Celiac Disease Symptoms - Answers nausea, vomiting, diarrhea, reduced growth in children
(malabsorption)
Celiac Disease Diagnosis - Answers Not on the basis of symptoms, blood tests and intestinal
biopsy (get diagnosis 1st)
Celiac Treatment - Answers life-long avoidance of gluten-containing foods: wheat, barley, and
rye (any products made from them)
Benefits to Vegetarian Diets - Answers less obesity/chronic diseases
high fiber, fruits, and vegetables
less saturated fats
Pitfalls of vegetarianism - Answers low energy
low minerals (Ca, Fe, Zn), vitamin B-12 and Vitamin D
What makes protein different from other macronutrients? - Answers Protein contains nitrogen
Needed for body to synthesize protein - Answers adequate amount of energy and protein
all essential amino acids in the proper amounts
NOT needed for body to synthesize protein - Answers all essential amino acids consumed at the
Transamination - Answers Moving the amino or nitrogen group
Deamination - Answers
Protein digestion - Answers 1: Nothing
2: Acid denatures
3: Acid Neutralized, di-, tri-peptides, aa
4: Breakdown of amino acid, absorption of aa
5: AA----liver
Which is true about protein digestion and absorption? - Answers Proteins are broken down into
individual amino acids and absorbed in the small intestine.
Roles of protein - Answers Structure, regulation, energy, growth and development, antibodies,
blood clotting, enzymes & hormones, transporters, fluid and electrolyte balance.
Positive Nitrogen balance - Answers adding tissue ( a growing child, a pregnant woman, building
muscle)
Nitrogen Equilibrium - Answers equal in and out (a healthy college student)
Negative Nitrogen Balance - Answers losing tissue, excreting more than you digested.
(Astronaut, surgery patient)
High quality protein
Mid-range protein
Lower-quality protein - Answers Meat
Legumes
Grains
AMDR for Protein - Answers 10-35% of calories
RDA (DRI) for protein - Answers .8 g/kg
135 lbs, what is the RDA? - Answers 48 g
(135/2.2= 60
Brandon weighs 165 lbs. What is his RDA for protein? - Answers 60 g
, (165/2.2= 75
75x.8= 60 g)
What is false regarding protein supplements? - Answers Eating a protein supplement without
physical exercise will
Protein is wasted when - Answers Insufficient energy intake, excess protein intake, excess
single amino acid, too few essential amino acids.
Inadequate Protein Intake - Answers usually deficient in energy and other nutrients, health
consequences (growing decreases diseases resistance goes down, susceptibility to infections
goes up, edema (swelling), kidney and heart problems, apathetic, listless)
Extra amino acid - Answers Competes for absorption
Celiac Disease - Answers autoimmune response to protein in wheat, barley, and rye
Villi are flattened and detroyed, reducing nutrient absorption (biopsy)
Celiac Disease Cause - Answers Genetic component and trigger (stress, trauma or possible viral
infection
Celiac Disease Symptoms - Answers nausea, vomiting, diarrhea, reduced growth in children
(malabsorption)
Celiac Disease Diagnosis - Answers Not on the basis of symptoms, blood tests and intestinal
biopsy (get diagnosis 1st)
Celiac Treatment - Answers life-long avoidance of gluten-containing foods: wheat, barley, and
rye (any products made from them)
Benefits to Vegetarian Diets - Answers less obesity/chronic diseases
high fiber, fruits, and vegetables
less saturated fats
Pitfalls of vegetarianism - Answers low energy
low minerals (Ca, Fe, Zn), vitamin B-12 and Vitamin D
What makes protein different from other macronutrients? - Answers Protein contains nitrogen
Needed for body to synthesize protein - Answers adequate amount of energy and protein
all essential amino acids in the proper amounts
NOT needed for body to synthesize protein - Answers all essential amino acids consumed at the
