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Fundamentals of Human Nutrition and Dietetics

Dietetics

A collection of factual questions regarding human physiology, nutrient absorption, and dietary science.

nutrition biology health science

15 Questions Medium Ages 12+ Aug 11, 2026

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About this Study Set

This study set covers Dietetics through 15 practice questions. A collection of factual questions regarding human physiology, nutrient absorption, and dietary science. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 15 questions from the Fundamentals of Human Nutrition and Dietetics study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 Which organ is responsible for the primary production of bile to assist in the digestion of fats?

A Pancreas
B Gallbladder
C Liver
D Stomach

2 What is the primary function of dietary fiber in the human digestive system?

A Providing concentrated energy
B Increasing fecal bulk and bowel regularity
C Lowering blood pressure
D Synthesizing vitamin C

3 Which mineral is essential for the structure of hemoglobin, the protein in red blood cells that carries oxygen?

A Calcium
B Magnesium
C Iron
D Zinc

4 What is the thermic effect of food (TEF) referring to?

A The heat lost through skin during exercise
B The energy expenditure required to digest and metabolize food
C The temperature at which nutrients are destroyed
D The body's basal metabolic rate

5 Which vitamin is primarily synthesized by the human body through exposure to ultraviolet B (UVB) radiation?

A Vitamin A
B Vitamin B12
C Vitamin D
D Vitamin K

6 What is the primary storage form of carbohydrates in the human body, found mainly in the liver and muscles?

A Glucose
B Starch
C Cellulose
D Glycogen

7 Which amino acid is considered 'conditionally essential' in the human diet because the body cannot always produce enough during periods of illness or stress?

A Glutamine
B Leucine
C Valine
D Tryptophan

8 What is the recommended physiological purpose of the 'Intestinal Microbiota'?

A To produce insulin
B To ferment undigested carbohydrates and synthesize certain vitamins
C To digest protein exclusively
D To filter blood toxins

9 Which group of nutrients provides the highest energy density per gram?

A Proteins
B Carbohydrates
C Fats
D Vitamins

10 What does the Body Mass Index (BMI) specifically measure?

A Percentage of body fat
B Bone density
C Ratio of weight to height squared
D Metabolic rate

11 Which hormone is secreted by the pancreas to facilitate the uptake of glucose into body cells?

A Glucagon
B Insulin
C Ghrelin
D Leptin

12 Which water-soluble vitamin is also known as ascorbic acid?

A Vitamin B6
B Vitamin C
C Vitamin B12
D Vitamin E

13 What is the primary site for the absorption of nutrients in the human gastrointestinal tract?

A Esophagus
B Stomach
C Small intestine
D Large intestine

14 Which electrolyte is the most abundant cation found in the intracellular fluid of human cells?

A Sodium
B Calcium
C Chloride
D Potassium

15 What process describes the body's ability to maintain a stable internal environment despite external changes?

A Homeostasis
B Catabolism
C Anabolism
D Osmosis

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