PORTAGE LEARNING
BIOD 121 Essentials in Nutrition
FINAL EXAM REVIEW
Actual Questions and Answers
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This Exam contains:
Questions and Answers
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Multiple-Choice (A–D), For Each Question.
Each Question Includes The Correct Answer
Expert-Verified explanation
,1. T/F: Taste and texture are often the 2 most important reasons specific foods are consumed
in North America.
Answer: True
Explanation: People often choose foods based on how they taste and feel, which heavily
influence food preferences and eating habits.
2. T/F: Nutrition is the science that links foods to health and disease.
Answer: True
Explanation: Nutrition studies the relationships between diet, health, and disease prevention
or development.
3. Describe hunger and appetite, including their associated drives and sensations.
Answer:
- Hunger: An internal physiological drive that signals the need for food. Associated
sensations include stomach growling, churning, or pain.
- Appetite: An external or psychological drive stimulated by the sight, smell, or thought of
food, which can cause desire to eat even when not hungry.
4. Considering the physiology as you eat, (1) explain what hormones are released as the
stomach stretches. (2) List the area of the brain that provides neural regulation and appetite
suppression to inhibit eating.
Answer:
(1) Hormones such as cholecystokinin (CCK), serotonin, and leptin are released as the
stomach fills.
(2) These hormones signal the hypothalamus in the brain, which activates the satiety center
to reduce appetite and inhibit further eating.
,5. A _____ is a substance that can promote growth and development, maintain tissues and
cells, fuel the body for physical and metabolic work, or regulate a body process.
Answer: Nutrient
Explanation: Nutrients are essential substances obtained from food that support normal body
functions.
6. Which type of molecule is defined as a substance that does not contain carbon?
Answer: Inorganic
Explanation: Organic molecules contain carbon; inorganic molecules do not.
7. T/F: A mineral is an organic micronutrient that regulates body processes and provides
structure.
Answer: False
Explanation: Minerals are inorganic micronutrients; they are elements that help regulate
body functions and provide structural components like bones.
8. Which of the following is an inorganic macronutrient:
a) Vitamins
b) Water
c) Protein
d) Carbohydrates
e) Minerals
Answer: b) Water
Explanation: Water is inorganic and consumed in large amounts, classifying it as a
macronutrient.
, 9. List (1) the building blocks (or monomers) of PROTEINS, (2) at least 2 of their functions,
and (3) at least 2 common sources of that nutrient in the diet.
Answer:
(1) Amino acids
(2) Functions: Provide body structure (muscle), act as enzymes and regulate body processes;
can serve as an energy source when needed.
(3) Sources: Meat, dairy, legumes, grains, vegetables
10. T/F: Minerals contain both water and fat soluble forms.
Answer: False
Explanation: Vitamins are classified as water- or fat-soluble; minerals are inorganic elements
without solubility categories.
11. Microminerals are referred to as _____ minerals.
Answer: Trace minerals
Explanation: Trace minerals are required in very small amounts.
12. Tom is on a diet restricting his consumption of cholesterol. Which macromolecule would
he be limiting?
Answer: Lipids
Explanation: Cholesterol is a type of lipid found in animal products.
13. Which of the six nutrient classes are not sources of energy?
Answer: Water, Vitamins, Minerals
Explanation: These nutrients do not provide calories.
14. What is the definition of a kilocalorie?
BIOD 121 Essentials in Nutrition
FINAL EXAM REVIEW
Actual Questions and Answers
100% Guarantee Pass
This Exam contains:
Questions and Answers
100% Guarantee Pass
Multiple-Choice (A–D), For Each Question.
Each Question Includes The Correct Answer
Expert-Verified explanation
,1. T/F: Taste and texture are often the 2 most important reasons specific foods are consumed
in North America.
Answer: True
Explanation: People often choose foods based on how they taste and feel, which heavily
influence food preferences and eating habits.
2. T/F: Nutrition is the science that links foods to health and disease.
Answer: True
Explanation: Nutrition studies the relationships between diet, health, and disease prevention
or development.
3. Describe hunger and appetite, including their associated drives and sensations.
Answer:
- Hunger: An internal physiological drive that signals the need for food. Associated
sensations include stomach growling, churning, or pain.
- Appetite: An external or psychological drive stimulated by the sight, smell, or thought of
food, which can cause desire to eat even when not hungry.
4. Considering the physiology as you eat, (1) explain what hormones are released as the
stomach stretches. (2) List the area of the brain that provides neural regulation and appetite
suppression to inhibit eating.
Answer:
(1) Hormones such as cholecystokinin (CCK), serotonin, and leptin are released as the
stomach fills.
(2) These hormones signal the hypothalamus in the brain, which activates the satiety center
to reduce appetite and inhibit further eating.
,5. A _____ is a substance that can promote growth and development, maintain tissues and
cells, fuel the body for physical and metabolic work, or regulate a body process.
Answer: Nutrient
Explanation: Nutrients are essential substances obtained from food that support normal body
functions.
6. Which type of molecule is defined as a substance that does not contain carbon?
Answer: Inorganic
Explanation: Organic molecules contain carbon; inorganic molecules do not.
7. T/F: A mineral is an organic micronutrient that regulates body processes and provides
structure.
Answer: False
Explanation: Minerals are inorganic micronutrients; they are elements that help regulate
body functions and provide structural components like bones.
8. Which of the following is an inorganic macronutrient:
a) Vitamins
b) Water
c) Protein
d) Carbohydrates
e) Minerals
Answer: b) Water
Explanation: Water is inorganic and consumed in large amounts, classifying it as a
macronutrient.
, 9. List (1) the building blocks (or monomers) of PROTEINS, (2) at least 2 of their functions,
and (3) at least 2 common sources of that nutrient in the diet.
Answer:
(1) Amino acids
(2) Functions: Provide body structure (muscle), act as enzymes and regulate body processes;
can serve as an energy source when needed.
(3) Sources: Meat, dairy, legumes, grains, vegetables
10. T/F: Minerals contain both water and fat soluble forms.
Answer: False
Explanation: Vitamins are classified as water- or fat-soluble; minerals are inorganic elements
without solubility categories.
11. Microminerals are referred to as _____ minerals.
Answer: Trace minerals
Explanation: Trace minerals are required in very small amounts.
12. Tom is on a diet restricting his consumption of cholesterol. Which macromolecule would
he be limiting?
Answer: Lipids
Explanation: Cholesterol is a type of lipid found in animal products.
13. Which of the six nutrient classes are not sources of energy?
Answer: Water, Vitamins, Minerals
Explanation: These nutrients do not provide calories.
14. What is the definition of a kilocalorie?
