HUN 2201 Exam 1 Questions and Answer

Why does someone who has lactose intolerance have gastrointestinal problems, such as abdominal distension, gas, cramping, and diarrhea? Answer> The undigested lactose in the intestine draws water and bacteria. Which mineral is added to refined white flour when it is enriched? Answer> iron Fiber can bind certain minerals, preventing their absorption. Answer> true The transport of substance across a cell membrane with the aid of a carrier molecule and the expenditure of energy is: Answer> active transport Which of the following is NOT considered "organic"? Answer> water Water-soluble substances are absorbed into the ______ and go directly to the _______. Answer> blood, liver "Nutrient Density" refers to foods that: Answer> provide more nutrients relative to kcalories. Formation of glycogen by the liver cell is an example of: Answer> anabolism Pyruvate can be converted into all of the following EXCEPT: Answer> fructose Glucagon: Answer> A. stimulates the breakdown of liver glycogen. B. promotes the synthesis of glucose. C. raises blood glucose levels. D. **all of these choices. ** When there is not sufficient carbohydrate to completely metabolize fatty acids, these molecules form Answer> ketone