PORTAGE NUTRITION BIOD 121 EXAM QUESTIONS AND ANSWERS|LATEST 2025/2026|100% CORRECT

PORTAGE NUTRITION BIOD 121 EXAM
QUESTIONS AND ANSWERS|LATEST
2025/2026|100% CORRECT
True or False. If false, explain why it is false.
B B B B B B B B B




Nutritional value and taste are often the 2 most important reasons specific foods are consume
B B B B B B B B B B B B B B



d in North America. - ANSWER-
B B B B B



False: Taste and texture are often the 2 most important reasons specific foods are cons
B B B B B B B B B B B B B B



umed in North America. B B B




True or False: Nutrition is the science that links foods to health and disease. - ANSWER-
B B B B B B B B B B B B B B B



True



Explain the difference between Internal and External drives that influence our desire to eat. -
B B B B B B B B B B B B B B



ANSWER-
B



The internal drive is hunger and is associated with negative sensations like churning, gr
B B B B B B B B B B B B B



owling and pain in the stomach. External drives have to do with appetite and are associated wi
B B B B B B B B B B B B B B B B



th positive food sensations and lead us to eat when we are not hungry.
B B B B B B B B B B B B B




You are at an "all you can eat'' buffet. On the first pass through the line, you fill your plate with
B B B B B B B B B B B B B B B B B B B B B



a large quantity of foods. After eating it, you go back for a second portion of the foods you like
B B B B B B B B B B B B B B B B B B B



d. However, the food is less appealing the second time around, and you place a smaller quanti
B B B B B B B B B B B B B B B B



ty on your plate because you feel full. Considering the physiology as you eat, (1) explain what
B B B B B B B B B B B B B B B B B



hormones are released (list specifically) as the stomach stretches. (2) List the area of the brain
B B B B B B B B B B B B B B B B



that provides neural regulation and appetite suppression to inhibit eating. - ANSWER-
B B B B B B B B B B B



As the stomach is filled and stretches, hormones are released that cause satiety (Leptin
B B B B B B B B B B B B B



, serotonin, cholecystokinin (CCK). These hormones can travel to the brain (hypothalamus) an
B B B B B B B B B B B B



d activate the satiety center.
B B B B




1. The hormones being released as the stomach stretches is leptin, seratonin, and CCK. These
B B B B B B B B B B B B B B B



hormones decrease hunger, in specific leptin. They acitvate the satiety center in the brain whi
B B B B B B B B B B B B B B



ch creates a sense of fullness.
B B B B B




2. The area of the brain that provides nerual regulation and appetite suppression to inhibit eat
B B B B B B B B B B B B B B B



ing is the satiety center.
B B B B

, A _________ is a substance that can promote growth and development, maintain tissues and
B B B B B B B B B B B B B B



cells, fuel the body for physical and metabolic work, or regulate a body process. - ANSWER-
B B B B B B B B B B B B B B B



nutrient



Macronutrient - ANSWER- B B needed in large amounts in the body
B B B B B B




Micronutrients - ANSWER- B B needed in small amounts B B B




organic - ANSWER- B B A compound that contains carbon and hydrogen
B B B B B B




inorganic - ANSWER- B B any substance that does not contain carbon
B B B B B B




True or False. If false, explain why it is false.
B B B B B B B B B




A mineral is an organic micronutrient that regulates body processes and provides structure. -
B B B B B B B B B B B B B



ANSWER-
B



FALSE: A mineral is an inorganic micronutrient that regulates body processes and provi
B B B B B B B B B B B B



des structure. B




Which of the following is an inorganic macronutrient?
B B B B B B B




Water

Vitamins

Carbohydrates

Minerals

Proteins - ANSWER- B B water



List (A) the building blocks (or monomers) of PROTEINS, (B) at least 2 of their functions, and (C
B B B B B B B B B B B B B B B B B



) at least 2 common sources of the nutrient in the diet. - ANSWER-
B B B B B B B B B B B B B A. Amino acids
B B




B. Energy source, structure and regulation
B B B B B