Portage Nutri on BIOD 121 Exam 1 With complete
solu on RATED A+ 2025/2026
True or False. If false, explain why it is false.
Nutri onal value and taste are o en the 2 most important reasons specific foods are consumed
in North America. - Answers False: Taste and texture are o en the 2 most important reasons
specific foods are consumed in North America.
True or False: Nutri on is the science that links foods to health and disease. - Answers True
Explain the difference between Internal and External drives that influence our desire to eat. -
Answers The internal drive is hunger and is associated with nega ve sensa ons like churning,
growling and pain in the stomach. External drives have to do with appe te and are associated
with posi ve food sensa ons and lead us to eat when we are not hungry.
You are at an "all you can eat'' buffet. On the first pass through the line, you fill your plate with
a large quan ty of foods. A er ea ng it, you go back for a second por on of the foods you liked.
However, the food is less appealing the second me around, and you place a smaller quan ty
on your plate because you feel full. Considering the physiology as you eat, (1) explain what
hormones are released (list specifically) as the stomach stretches. (2) List the area of the brain
that provides neural regula on and appe te suppression to inhibit ea ng. - Answers As the
stomach is filled and stretches, hormones are released that cause sa ety (Lep n, serotonin,
cholecystokinin (CCK). These hormones can travel to the brain (hypothalamus) and ac vate the
sa ety center.
1. The hormones being released as the stomach stretches is lep n, seratonin, and CCK. These
hormones decrease hunger, in specific lep n. They acitvate the sa ety center in the brain which
creates a sense of fullness.
2. The area of the brain that provides nerual regula on and appe te suppression to inhibit
ea ng is the sa ety center.
, A _________ is a substance that can promote growth and development, maintain ssues and
cells, fuel the body for physical and metabolic work, or regulate a body process. - Answers
nutrient
Macronutrient - Answers needed in large amounts in the body
Micronutrients - Answers needed in small amounts
organic - Answers A compound that contains carbon and hydrogen
inorganic - Answers any substance that does not contain carbon
True or False. If false, explain why it is false.
A mineral is an organic micronutrient that regulates body processes and provides structure. -
Answers FALSE: A mineral is an inorganic micronutrient that regulates body processes and
provides structure.
Which of the following is an inorganic macronutrient?
Water
Vitamins
Carbohydrates
Minerals
Proteins - Answers water
List (A) the building blocks (or monomers) of PROTEINS, (B) at least 2 of their func ons, and (C)
at least 2 common sources of the nutrient in the diet. - Answers A. Amino acids
solu on RATED A+ 2025/2026
True or False. If false, explain why it is false.
Nutri onal value and taste are o en the 2 most important reasons specific foods are consumed
in North America. - Answers False: Taste and texture are o en the 2 most important reasons
specific foods are consumed in North America.
True or False: Nutri on is the science that links foods to health and disease. - Answers True
Explain the difference between Internal and External drives that influence our desire to eat. -
Answers The internal drive is hunger and is associated with nega ve sensa ons like churning,
growling and pain in the stomach. External drives have to do with appe te and are associated
with posi ve food sensa ons and lead us to eat when we are not hungry.
You are at an "all you can eat'' buffet. On the first pass through the line, you fill your plate with
a large quan ty of foods. A er ea ng it, you go back for a second por on of the foods you liked.
However, the food is less appealing the second me around, and you place a smaller quan ty
on your plate because you feel full. Considering the physiology as you eat, (1) explain what
hormones are released (list specifically) as the stomach stretches. (2) List the area of the brain
that provides neural regula on and appe te suppression to inhibit ea ng. - Answers As the
stomach is filled and stretches, hormones are released that cause sa ety (Lep n, serotonin,
cholecystokinin (CCK). These hormones can travel to the brain (hypothalamus) and ac vate the
sa ety center.
1. The hormones being released as the stomach stretches is lep n, seratonin, and CCK. These
hormones decrease hunger, in specific lep n. They acitvate the sa ety center in the brain which
creates a sense of fullness.
2. The area of the brain that provides nerual regula on and appe te suppression to inhibit
ea ng is the sa ety center.
, A _________ is a substance that can promote growth and development, maintain ssues and
cells, fuel the body for physical and metabolic work, or regulate a body process. - Answers
nutrient
Macronutrient - Answers needed in large amounts in the body
Micronutrients - Answers needed in small amounts
organic - Answers A compound that contains carbon and hydrogen
inorganic - Answers any substance that does not contain carbon
True or False. If false, explain why it is false.
A mineral is an organic micronutrient that regulates body processes and provides structure. -
Answers FALSE: A mineral is an inorganic micronutrient that regulates body processes and
provides structure.
Which of the following is an inorganic macronutrient?
Water
Vitamins
Carbohydrates
Minerals
Proteins - Answers water
List (A) the building blocks (or monomers) of PROTEINS, (B) at least 2 of their func ons, and (C)
at least 2 common sources of the nutrient in the diet. - Answers A. Amino acids
