Portage Nutrition BIOD 121 Exam 1
Questions And Answers6
True or False. If false, explain why it is false.
Nutritional value and taste are often the 2 most important reasons specific foods are consumed
in North America. - ANSWERS False: Taste and texture are often the 2 most important reasons
specific foods are consumed in North America.
True or False: Nutrition 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 negative sensations like churning,
growling and pain in the stomach. External drives have to do with appetite and are associated
with positive food sensations 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 quantity of foods. After eating it, you go back for a second portion of the foods you liked.
However, the food is less appealing the second time around, and you place a smaller quantity
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 regulation and appetite suppression to inhibit eating. - ANSWERS As the
stomach is filled and stretches, hormones are released that cause satiety (Leptin, serotonin,
cholecystokinin (CCK). These hormones can travel to the brain (hypothalamus) and activate the
satiety center.
1. The hormones being released as the stomach stretches is leptin, seratonin, and CCK. These
hormones decrease hunger, in specific leptin. They acitvate the satiety center in the brain which
creates a sense of fullness.
, 2. The area of the brain that provides nerual regulation and appetite suppression to inhibit
eating is the satiety center.
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. - 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
Questions And Answers6
True or False. If false, explain why it is false.
Nutritional value and taste are often the 2 most important reasons specific foods are consumed
in North America. - ANSWERS False: Taste and texture are often the 2 most important reasons
specific foods are consumed in North America.
True or False: Nutrition 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 negative sensations like churning,
growling and pain in the stomach. External drives have to do with appetite and are associated
with positive food sensations 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 quantity of foods. After eating it, you go back for a second portion of the foods you liked.
However, the food is less appealing the second time around, and you place a smaller quantity
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 regulation and appetite suppression to inhibit eating. - ANSWERS As the
stomach is filled and stretches, hormones are released that cause satiety (Leptin, serotonin,
cholecystokinin (CCK). These hormones can travel to the brain (hypothalamus) and activate the
satiety center.
1. The hormones being released as the stomach stretches is leptin, seratonin, and CCK. These
hormones decrease hunger, in specific leptin. They acitvate the satiety center in the brain which
creates a sense of fullness.
, 2. The area of the brain that provides nerual regulation and appetite suppression to inhibit
eating is the satiety center.
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. - 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
