Question 1

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

Accepted Answer

A) condensation 
B) hydrolysis 
C) lactaid 
D) sodium-dependent

Question 2

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.

Accepted Answer

A) metabolic syndrome 
B) cystic fibrosis 
C) diverticulitis 
D) constipation

Question 3

Raffinose is an example of a/an

Accepted Answer

A) oligosaccharide. 
B) disaccharide. 
C) ketone body. 
D) monosaccharide.

Question 4

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

Accepted Answer

A) reduce her intake of fruits and vegetables. 
B) increase her intake of foods that contain insoluble fiber. 
C) use colon cleansing enemas daily. 
D) restrict her fluid intake.

Question 5

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

Accepted Answer

A) Dietary fiber 
B) Starch 
C) Sucralose 
D) High-fructose corn syrup

Question 6

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

Accepted Answer

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

Question 7

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.

Accepted Answer

A) 115 
B) 230 
C) 345 
D) 460

Question 8

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?

Accepted Answer

A) Blindness 
B) Cystic fibrosis 
C) Irritable bowel syndrome 
D) Lactose intolerance

Question 9

Plants make glucose from carbon dioxide and water.

Accepted Answer

A) True 
 B)False

Question 10

Carbohydrate absorption occurs almost exclusively in the stomach.

Accepted Answer

A) True 
 B)False

Question 11

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

Accepted Answer

A) True 
 B)False

Question 12

Nervous system cells burn mostly ________ for energy.

Accepted Answer

A) glucose 
B) fructose 
C) lactose 
D) fiber

Question 13

Which of the following substances is a simple carbohydrate?

Accepted Answer

A) Starch 
B) Lignin 
C) Fructose 
D) Glycogen

Question 14

Which of the following sweeteners provides 4 kcal/g?

Accepted Answer

A) Sucralose 
B) Stevia 
C) Saccharin 
D) Sucrose

Question 15

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.

Accepted Answer

A) insulin 
B) aldosterone 
C) glucagon 
D) thyroxin

Question 16

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

Accepted Answer

A) True 
 B)False

Question 17

Chewing gum made with sugar alcohols contributes to tooth decay.

Accepted Answer

A) True 
 B)False

Question 18

To reduce her intake of added sugar,Isabelle should

Accepted Answer

A) replace regular soft drinks with plain water. 
B) consume more refined sources of carbohydrates. 
C) increase her intake of beverages sweetened with high-fructose corn syrup. 
D) consume energy drinks instead of coffee.

Question 19

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.

Accepted Answer

A) 90 
B) 144 
C) 180 
D) 216

Question 20

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

Accepted Answer

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

Exam 5: Carbohydrates: Sugars, starches, and Fiber

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

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.

Raffinose is an example of a/an

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

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

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

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?

Plants make glucose from carbon dioxide and water.

Carbohydrate absorption occurs almost exclusively in the stomach.

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

Nervous system cells burn mostly ________ for energy.

Which of the following substances is a simple carbohydrate?

Which of the following sweeteners provides 4 kcal/g?

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.

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

Chewing gum made with sugar alcohols contributes to tooth decay.

To reduce her intake of added sugar,Isabelle should

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