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Exam 5: Carbohydrates: Sugars, starches, and Fiber

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Question 31

Multiple Choice

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The enzyme ________ is necessary for digesting the disaccharide that contains two molecules of glucose.

A) maltase
B) sucrase
C) lactase
D) amylase

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Question 32

Multiple Choice

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Clayton is a 19-year-old college student.He avoids milk,because he claims drinking the beverage upsets his stomach and gives him intestinal "gas." However,he can eat yogurt and certain types of cheese without experiencing any symptoms.Based on this information,Clayton probably has

A) cystic fibrosis.
B) lactose intolerance.
C) botulism poisoning.
D) amylase deficiency.

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Question 33

Multiple Choice

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Nervous system cells burn mostly ________ for energy.

To reduce her intake of added sugar,Isabelle should

Phil is a healthy college student.When he wakes up in the morning,he can't wait to eat breakfast.While he is asleep and before he consumes food or beverages,his pancreas secretes ________ to maintain his blood glucose level within normal limits.

According to the 2015-2020 version of the Dietary Guidelines,which of the following substances is a nutrient of public health concern?

Plants make glucose from carbon dioxide and water.

Chewing gum made with sugar alcohols contributes to tooth decay.

Carbohydrate absorption occurs almost exclusively in the stomach.

Raffinose is an example of a/an

Every morning,Sarah stops at a convenience store to buy a 20-ounce bottle of a regular soft drink to consume before and during her early classes.Around noon,she drinks a sugar-sweetened tea that she purchased from a vending machine on campus.After she read news about the possible negative health effects of added sugars,she became concerned about her consumption of sugar-sweetened foods and beverages.She decides to follow the recommendations of the 2015-2020 Dietary Guidelines for Americans regarding added sugar intakes.Sarah usually consumes about 1800 kcal/day.Based on this information,she should limit her added sugar intake to less than ________ kcal/day.

Jevincio has type 2 diabetes,and he does not control his blood glucose levels well.As a result of his lack of control,which of the following conditions is he most likely to develop? 

Felix generally consumes about 2300 kcal/day.He wants to reduce the amount of added sugars in his diet to meet the recommendation for added sugar intake,according to the 2015-2020 version of the Dietary Guidelines.Based on this information,Felix will limit his daily intake of added sugars to less than ________ kcal.

According to Shawn's physician,Shawn has a high risk of ________ because his waist circumference is 42 inches,his blood pressure consistently measures 140 mm Hg/90 mm Hg,and his fasting blood glucose level is 110 mg/dl.

Fiber-rich diets contribute to weight loss by causing a person to feel full.

Betty is constipated;she generally has bowel movements only twice a week.To help relieve her constipation without taking medications,Betty should

Which of the following substances is a simple carbohydrate?

Hypoglycemia is a condition that occurs when the blood glucose level is too high.

Which of the following sweeteners provides 4 kcal/g?

Lactose is formed from glucose and galactose through a ________ reaction.