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Portage Learning BIOD 121: Essentials in Nutrition - Module 1 Exam on Fundamentals of Nutrition Science

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2025/2026 Written for academic year
Institution Portage Learning
Course BIOD 121
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This module introduces the core concepts of nutrition as a scientific discipline, exploring the definition of nutrition versus diet, the six essential classes of nutrients (carbohydrates, proteins, fats, vitamins, minerals, and water), nutrient standards such as Dietary Reference Intakes (DRI), and physiological factors influencing health like hunger, satiety, appetite, obesity, and related hormones. The exam assesses understanding of these basics, including under-nutrition, over-nutrition, and practical applications through case studies and physiological explanations.

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PORTAGE LEARNING



Module 1 Exam Nutrition




Course: BIOD 121 : Essentials in Nutrition

, 1. Name the region of the brain that plays a role in whether we feel hungry or full.
What about bloodcan trigger this region to make us want to eat?
The hypothalamus is the region of the brain that plays a role in whether we feel
hungry or full. Hormones, such as ghrelin, are released from the stomach, enter the
bloodstream, and go to the hypothalamus to tell us we are hungry and to find food.
Another association with our blood and sense of hunger is when our blood sugar




Name the region of the brain that plays a role in whether we feel hungry or full. What about blood
can trigger this region to make us want to eat?


The Hypothalmus. A drop in nutrients in blood stimulates the feeding center in the hypothalamus
which signals us to eat.




2. Sensory, Environmental, Health Status and Cognitive are examples of psychological
external forces that influence our eating habits .




Sensory, Environmental, Health Status and Cognitive are examples of


external

forces that influence our
eating habits or food choices



3. Hunger is the internal drive to find and eat food. It is often experienced as a negative
sensation. Appetite is the external drive that encourages us to find and eat food. Related to pleasant
sensations associated with food.



BIOD 121 Module 1 Exam Nutrition

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