Question 1

Ian sweetens his hot oatmeal with a teaspoon of brown sugar.The chemical name for this type of sugar is

Accepted Answer

A) galactose. 
B) maltose. 
C) sucrose. 
D) lactose.

Question 2

Which of the following groups of foods are sources of starch?

Accepted Answer

A) Liver,apples,and cheese 
B) Eggs,fat-free milk,and corn oil 
C) Peaches,safflower oil,and peanuts 
D) Corn,potatoes,and rice

Question 3

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

Question 4

Glucagon

Accepted Answer

A) helps glucose enter cells. 
B) increases the metabolic rate. 
C) stimulates cells to store glucose as glycogen. 
D) raises blood glucose levels.

Question 5

Which of the following foods has a high glycemic index but a low glycemic load?

Accepted Answer

A) Plain microwave popcorn 
B) Baked Russet potato 
C) Plain white bagel 
D) Medium grain,boiled white rice

Question 6

Glycogen is

Accepted Answer

A) a simple sugar in grapes and honey. 
B) the form of carbohydrate that is stored in liver and muscle tissue. 
C) a polysaccharide made by plants. 
D) the form of fat stored in fat cells.

Question 7

Which of the following substances is an important dietary monosaccharide for humans?

Accepted Answer

A) Fructose 
B) Xylose 
C) Mannose 
D) Lactose

Question 8

Until recently,Victoria was a healthy,energetic 3-year-old.A couple of weeks ago,her parents noticed that she does not want to play,and she seems to be tired all of the time.Additionally,Victoria has been unusually thirsty and "wets the bed" at night.Based on this information,Victoria's parents should have their daughter evaluated for

Accepted Answer

A) type 1 diabetes. 
B) metabolic syndrome. 
C) sucrase deficiency. 
D) lactose intolerance.

Question 9

_____ is the disaccharide comprised of two glucose molecules.

Accepted Answer

A) Galactose 
B) Hexose 
C) Maltose 
D) Sucrose

Question 10

Nervous system cells rely on primary _____ for energy.

Accepted Answer

A) Fiber 
B) Lactose 
C) Fructose 
D) Glucose

Question 11

Which of the following foods or beverages is not a major source of added sugars in American diets?

Accepted Answer

A) Energy drinks 
B) Fresh fruit 
C) Candy 
D) Cookies

Question 12

The three most important dietary monosaccharides for humans are

Accepted Answer

A) glucose,galactose,and mannose. 
B) galactose,glucose,and fructose. 
C) maltose,ribose,and galactose. 
D) fructose,lactose,and hexose monophosphate.

Question 13

This morning,Margie's fasting blood glucose level indicated that she has hyperglycemia and pre-diabetes.Based on this information,her fasting blood glucose level was _____ mg/dl.

Accepted Answer

A) 67 
B) 158 
C) 120 
D) 95

Question 14

Which of the following substances is a complex carbohydrate?

Accepted Answer

A) High-fructose corn syrup 
B) Lactose 
C) Glucose 
D) Soluble fiber

Question 15

What is the major difference between soluble and insoluble forms of fiber?

Accepted Answer

A) Soluble fiber can be digested by humans,whereas insoluble fiber cannot be digested. 
B) Soluble fiber provides no health benefits to humans,whereas insoluble fiber reduces the risk of heart disease. 
C) Soluble fiber dissolves or swells in water,whereas insoluble fiber generally does not change in water. 
D) Soluble fiber is in animal foods,whereas insoluble fiber is in plant foods.

Question 16

Franklin wants to limit his added sugar intake.He should

Accepted Answer

A) decrease his intake of polysaccharides. 
B) replace energy drinks with unsweetened tea. 
C) consume more refined sources of carbohydrates. 
D) increase his intake of beverages sweetened with high-fructose corn syrup.

Question 17

Erika has type 1 diabetes and gives herself insulin injections to help manage her blood glucose level.One afternoon,Erika tested her blood and discovered that her blood glucose level was 260 mg/dl.Based on this information,Erika should

Accepted Answer

A)  consume candy or fruit juice to increase her blood glucose level. 
B)  take a dietary supplement that contains vitamin C. 
C)  do nothing to intervene, because her blood glucose level is normal. 
D)  give herself a specific dose of insulin.

Question 18

Which of the following physical characteristics or health conditions is a sign of metabolic syndrome?

Accepted Answer

A) Frequent urination 
B) Waist circumference of 43 inches 
C) Unexpected weight loss 
D) Body temperature that is over 101°F

Question 19

In the human intestinal tract,potato starch is broken down into _____ molecules that can be absorbed.

Accepted Answer

A) sucrose 
B) glucose 
C) ribose 
D) lactose

Question 20

Which of the following foods is a rich source of starch?

Accepted Answer

A) Chicken livers 
B) Seedless grapes 
C) Egg yolks 
D) Sweet potatoes

Exam 5: Carbohydrates