ESTUDYR
WILLIAMS' BASIC NUTRITION & DIET THERAPY: CHAPTERS 01-06 KEY CONCEPTS
FOR STUDENTS UPDATED EXAM WITH MOST TESTED QUESTIONS AND
ANSWERS | GRADED A+ | ASSURED SUCCESS WITH DETAILED RATIONALES
What is the primary fuel for energy in the body?
A. Protein
B. Fat
C. ✅Carbohydrates ✅
D. Alcohol
Rationale: Carbohydrates are the body's main and preferred energy source.
Who is the most appropriate professional to perform a nutrition assessment?
A. Licensed practical nurse
B. ✅Registered dietitian (RD) ✅
C. Physician assistant
D. Pharmacist
Rationale: RDs have specialized training in comprehensive nutrition assessment and care.
What is metabolism?
A. Intake of food only
B. Storage of vitamins only
C. ✅Sum of all chemical changes in the body (energy, tissue, regulation) ✅
D. Excretion of wastes only
Rationale: Metabolism includes pathways for energy production, tissue building, and
regulation.
For a 2000-kcal diet, what percent of kcal should come from fat?
A. 5–10%
B. 10–15%
C. ✅20–35% ✅
D. 40–60%
Rationale: DRIs recommend 20–35% of total energy from fat for adults.
What is the main storage form of carbohydrate in the human body?
A. Starch
B. Glucose
C. ✅Glycogen ✅
D. Cellulose
Rationale: Glycogen (in liver and muscle) stores glucose for later use.
,ESTUDYR
How many kcal per gram does protein provide?
A. 2 kcal/g
B. ✅4 kcal/g ✅
C. 7 kcal/g
D. 9 kcal/g
Rationale: Protein and carbohydrate each yield ~4 kcal per gram.
What are the basic building units of protein?
A. Fatty acids
B. Sugars
C. ✅Amino acids ✅
D. Nucleotides
Rationale: Proteins are polymers built from amino acid monomers.
Which nutrients are key in metabolic regulation and control?
A. Carbs and fats
B. ✅Vitamins and minerals ✅
C. Protein and water
D. Alcohol and fiber
Rationale: Vitamins and minerals act as cofactors/coenzymes in metabolic reactions.
What is the recommended dietary regimen during recovery from illness?
A. Low-energy diet
B. Fat-free diet only
C. ✅Adequate carbohydrates, protein, fat, vitamins, minerals, water, and fiber ✅
D. Fasting
Rationale: Recovery requires sufficient energy and all nutrients for healing and immune
function.
How many kcal are provided by 15 g of protein?
A. 30 kcal
B. ✅60 kcal ✅
C. 90 kcal
D. 15 kcal
Rationale: 15 g × 4 kcal/g = 60 kcal.
What is the primary function of proteins in the body?
A. Store energy only
B. Insulate organs only
C. ✅Supply amino acids to build and repair tissues ✅
, ESTUDYR
D. Provide vitamins
Rationale: Proteins supply structural and functional components for growth and repair.
What is the caloric contribution of 22 g of fat?
A. 88 kcal
B. ✅198 kcal ✅
C. 44 kcal
D. 220 kcal
Rationale: 22 g × 9 kcal/g = 198 kcal.
A slice of bread contains 30 g carbohydrate, 3 g protein, and 1 g fat — total kcal?
A. 200 kcal
B. ✅141 kcal ✅
C. 120 kcal
D. 168 kcal
Rationale: (30×4) + (3×4) + (1×9) = 120 + 12 + 9 = 141 kcal.
Role of carbohydrates in the body is to:
A. Build muscle only
B. Store vitamins
C. ✅Serve as the body's primary fuel source ✅
D. Provide essential fatty acids
Rationale: Carbohydrates are the main and quickest source of cellular energy.
What is the significance of Healthy People 2020?
A. A food pyramid only
B. Clinical drug guidelines
C. ✅National health goals promoting disease prevention and health ✅
D. A fitness program
Rationale: Healthy People outlines national objectives to improve public health.
What is the role of a public health nutritionist?
A. Diagnose heart disease
B. Prescribe medications
C. ✅Assess and improve community nutrition and health ✅
D. Perform surgeries
Rationale: Public health nutritionists design programs and policies for population nutrition.
How many kcal does 1 g of fat provide?
A. 4 kcal
B. ✅9 kcal ✅
WILLIAMS' BASIC NUTRITION & DIET THERAPY: CHAPTERS 01-06 KEY CONCEPTS
FOR STUDENTS UPDATED EXAM WITH MOST TESTED QUESTIONS AND
ANSWERS | GRADED A+ | ASSURED SUCCESS WITH DETAILED RATIONALES
What is the primary fuel for energy in the body?
A. Protein
B. Fat
C. ✅Carbohydrates ✅
D. Alcohol
Rationale: Carbohydrates are the body's main and preferred energy source.
Who is the most appropriate professional to perform a nutrition assessment?
A. Licensed practical nurse
B. ✅Registered dietitian (RD) ✅
C. Physician assistant
D. Pharmacist
Rationale: RDs have specialized training in comprehensive nutrition assessment and care.
What is metabolism?
A. Intake of food only
B. Storage of vitamins only
C. ✅Sum of all chemical changes in the body (energy, tissue, regulation) ✅
D. Excretion of wastes only
Rationale: Metabolism includes pathways for energy production, tissue building, and
regulation.
For a 2000-kcal diet, what percent of kcal should come from fat?
A. 5–10%
B. 10–15%
C. ✅20–35% ✅
D. 40–60%
Rationale: DRIs recommend 20–35% of total energy from fat for adults.
What is the main storage form of carbohydrate in the human body?
A. Starch
B. Glucose
C. ✅Glycogen ✅
D. Cellulose
Rationale: Glycogen (in liver and muscle) stores glucose for later use.
,ESTUDYR
How many kcal per gram does protein provide?
A. 2 kcal/g
B. ✅4 kcal/g ✅
C. 7 kcal/g
D. 9 kcal/g
Rationale: Protein and carbohydrate each yield ~4 kcal per gram.
What are the basic building units of protein?
A. Fatty acids
B. Sugars
C. ✅Amino acids ✅
D. Nucleotides
Rationale: Proteins are polymers built from amino acid monomers.
Which nutrients are key in metabolic regulation and control?
A. Carbs and fats
B. ✅Vitamins and minerals ✅
C. Protein and water
D. Alcohol and fiber
Rationale: Vitamins and minerals act as cofactors/coenzymes in metabolic reactions.
What is the recommended dietary regimen during recovery from illness?
A. Low-energy diet
B. Fat-free diet only
C. ✅Adequate carbohydrates, protein, fat, vitamins, minerals, water, and fiber ✅
D. Fasting
Rationale: Recovery requires sufficient energy and all nutrients for healing and immune
function.
How many kcal are provided by 15 g of protein?
A. 30 kcal
B. ✅60 kcal ✅
C. 90 kcal
D. 15 kcal
Rationale: 15 g × 4 kcal/g = 60 kcal.
What is the primary function of proteins in the body?
A. Store energy only
B. Insulate organs only
C. ✅Supply amino acids to build and repair tissues ✅
, ESTUDYR
D. Provide vitamins
Rationale: Proteins supply structural and functional components for growth and repair.
What is the caloric contribution of 22 g of fat?
A. 88 kcal
B. ✅198 kcal ✅
C. 44 kcal
D. 220 kcal
Rationale: 22 g × 9 kcal/g = 198 kcal.
A slice of bread contains 30 g carbohydrate, 3 g protein, and 1 g fat — total kcal?
A. 200 kcal
B. ✅141 kcal ✅
C. 120 kcal
D. 168 kcal
Rationale: (30×4) + (3×4) + (1×9) = 120 + 12 + 9 = 141 kcal.
Role of carbohydrates in the body is to:
A. Build muscle only
B. Store vitamins
C. ✅Serve as the body's primary fuel source ✅
D. Provide essential fatty acids
Rationale: Carbohydrates are the main and quickest source of cellular energy.
What is the significance of Healthy People 2020?
A. A food pyramid only
B. Clinical drug guidelines
C. ✅National health goals promoting disease prevention and health ✅
D. A fitness program
Rationale: Healthy People outlines national objectives to improve public health.
What is the role of a public health nutritionist?
A. Diagnose heart disease
B. Prescribe medications
C. ✅Assess and improve community nutrition and health ✅
D. Perform surgeries
Rationale: Public health nutritionists design programs and policies for population nutrition.
How many kcal does 1 g of fat provide?
A. 4 kcal
B. ✅9 kcal ✅
