Portage Learning BIOD 121 Module 1 Exams

Portage Learning BIOD 121 Module 1 Exams TEST 1 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. _correct answer_ 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. _correct answer_ True  Explain the difference between Internal and External drives that influence our desire to eat. _correct answer_ 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. _correct answer_ 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