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PORTAGE LEARNING
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
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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.
- 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.
- 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. 2 / 4
- 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.
- 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 3 / 4
Explanation: Water is inorganic and consumed in large amounts,
classifying it as a macronutrient.
- 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.
- Microminerals are referred to as _____ minerals.
Answer: Trace minerals
Explanation: Trace minerals are required in very small amounts.
- 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.
- Which of the six nutrient classes are not sources of energy?
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