Questions & Answers
Browse all 20 questions from the
Foundations of Dietetics study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
Which nutrient is classified as a macronutrient that provides 9 kilocalories per gram?
-
A
Protein
-
B
Carbohydrates
-
C
Lipids
-
D
Fiber
2
Which vitamin is water-soluble and essential for collagen synthesis?
-
A
Vitamin A
-
B
Vitamin C
-
C
Vitamin D
-
D
Vitamin K
3
What is the primary storage form of glucose in the human liver and muscles?
-
A
Amylose
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B
Glycogen
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C
Cellulose
-
D
Fructose
4
Which mineral deficiency is most commonly associated with goiter?
-
A
Iron
-
B
Calcium
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C
Iodine
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D
Magnesium
5
Which amino acid is considered conditionally essential during periods of physiological stress?
-
A
Glutamine
-
B
Leucine
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C
Valine
-
D
Lysine
6
What is the standard chemical structure of a trans fatty acid?
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A
Cis-configuration
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B
Hydrogen atoms on opposite sides of the double bond
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C
Saturated hydrocarbon chain
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D
Polyunsaturated structure
7
Which substance acts as a precursor to Vitamin D in the human skin?
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A
Cholesterol
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B
Retinol
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C
Tocopherol
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D
Ascorbic Acid
8
What is the thermic effect of food (TEF) approximately as a percentage of total energy expenditure?
-
A
5-10%
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B
20-30%
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C
40-50%
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D
60-70%
9
Which organ is the primary site for the absorption of cobalamin (Vitamin B12)?
-
A
Stomach
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B
Duodenum
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C
Ileum
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D
Colon
10
What is the recommended dietary allowance (RDA) unit of measurement for dietary folate equivalents (DFE)?
-
A
Milligrams
-
B
Micrograms
-
C
International Units
-
D
Nanograms
11
Which enzyme is responsible for the initial breakdown of starch in the oral cavity?
-
A
Lipase
-
B
Pepsin
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C
Amylase
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D
Trypsin
12
What condition is characterized by a failure to absorb nutrients due to an immune reaction to gluten?
-
A
Crohn's Disease
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B
Celiac Disease
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C
Ulcerative Colitis
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D
Diverticulitis
13
Which mineral is a key component of hemoglobin responsible for oxygen transport?
-
A
Zinc
-
B
Iron
-
C
Selenium
-
D
Copper
14
What type of fiber is known to form a gel-like substance in the digestive tract?
-
A
Insoluble fiber
-
B
Soluble fiber
-
C
Cellulose
-
D
Lignin
15
Which fat-soluble vitamin is essential for the synthesis of blood clotting factors?
-
A
Vitamin A
-
B
Vitamin D
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C
Vitamin E
-
D
Vitamin K
16
What is the byproduct of anaerobic glycolysis in muscle tissue?
-
A
Lactic acid
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B
Pyruvate
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C
Acetyl-CoA
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D
Citrate
17
Which sugar is a disaccharide composed of one glucose and one fructose molecule?
-
A
Lactose
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B
Maltose
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C
Sucrose
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D
Galactose
18
What is the physiological role of the intrinsic factor secreted by the stomach?
-
A
Fat digestion
-
B
B12 absorption
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C
Glucose metabolism
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D
Protein denaturation
19
Which protein is the most abundant in the human body, providing structural support to connective tissues?
-
A
Keratin
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B
Myosin
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C
Collagen
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D
Albumin
20
What is the average nitrogen content in dietary protein?
-
A
6.25%
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B
12.5%
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C
16%
-
D
20%
