Question 1

Wavelike contractions of the muscle fibers of the stomach and intestinal walls are called

Accepted Answer

A)  segmentation. 
B)  peristalsis. 
C)  metabolism. 
D)  digestion. 
A)  segmentation. 
B)  peristalsis. 
C)  metabolism. 
D)  digestion. B

Question 2

Types of dietary fiber include

Accepted Answer

A)  lactose, galactose, and maltose. 
B)  polysaccharides and polyols. 
C)  starch, ptyalin and glucose 
D)  cellulose, lignin, and noncellulose. 
A)  lactose, galactose, and maltose. 
B)  polysaccharides and polyols. 
C)  starch, ptyalin and glucose 
D)  cellulose, lignin, and noncellulose. D

Question 3

Digestion of the starch component of a peanut butter sandwich begins in the

Accepted Answer

A)  mouth. 
B)  stomach. 
C)  small intestine. 
D)  liver. 
A)  mouth. 
B)  stomach. 
C)  small intestine. 
D)  liver. A

Question 4

An example of a food low in carbohydrates is

Accepted Answer

A)  low-fat yogurt. 
B)  steak. 
C)  beans. 
D)  potatoes. 
A)  low-fat yogurt. 
B)  steak. 
C)  beans. 
D)  potatoes.

Question 5

The preferred source of energy for the heart muscle is

Accepted Answer

A)  glucose. 
B)  glycogen. 
C)  fatty acids. 
D)  amino acids. 
A)  glucose. 
B)  glycogen. 
C)  fatty acids. 
D)  amino acids.

Question 6

Of the following,the best food choices for dietary fiber include

Accepted Answer

A)  fruit and fruit juice. 
B)  rice and crackers. 
C)  iceberg lettuce and tomato juice. 
D)  lentils and corn. 
A)  fruit and fruit juice. 
B)  rice and crackers. 
C)  iceberg lettuce and tomato juice. 
D)  lentils and corn.

Question 7

The recommended daily intake of dietary fiber for an adult woman is _____ g/day.

Accepted Answer

A)  15 
B)  21 
C)  25 
D)  30 
A)  15 
B)  21 
C)  25 
D)  30

Question 8

Carbohydrates play a major role in nutrition because they

Accepted Answer

A)  provide a long-term energy store. 
B)  are digested in the stomach. 
C)  help regulate body functions. 
D)  provide the body's major source of energy. 
A)  provide a long-term energy store. 
B)  are digested in the stomach. 
C)  help regulate body functions. 
D)  provide the body's major source of energy.

Question 9

The carbohydrate form in which glucose is stored in the body is

Accepted Answer

A)  starch. 
B)  polysaccharide. 
C)  glycogen. 
D)  fructose. 
A)  starch. 
B)  polysaccharide. 
C)  glycogen. 
D)  fructose.

Question 10

Sufficient dietary carbohydrates prevent excess formation of

Accepted Answer

A)  ketones. 
B)  ammonia. 
C)  amino acids. 
D)  water. 
A)  ketones. 
B)  ammonia. 
C)  amino acids. 
D)  water.

Question 11

A molecule of glycogen is composed of hundreds of units of

Accepted Answer

A)  galactose. 
B)  glucose. 
C)  glucose, fructose, and galactose. 
D)  disaccharide. 
A)  galactose. 
B)  glucose. 
C)  glucose, fructose, and galactose. 
D)  disaccharide.

Question 12

Carbohydrates are called "quick energy" foods because

Accepted Answer

A)  they do not take long to prepare and are readily available. 
B)  the human body can rapidly break them down to yield energy. 
C)  they are abundant in fast foods and can be readily absorbed. 
D)  they can yield more energy than other nutrients. 
A)  they do not take long to prepare and are readily available. 
B)  the human body can rapidly break them down to yield energy. 
C)  they are abundant in fast foods and can be readily absorbed. 
D)  they can yield more energy than other nutrients.

Question 13

A basket of fruit contains ripe grapes,apples,and oranges as well as pears and peaches that are not quite ripe.The fruits with the highest amount of simple sugar are the

Accepted Answer

A)  pears and apples. 
B)  peaches and oranges. 
C)  grapes and apples. 
D)  peaches and pears. 
A)  pears and apples. 
B)  peaches and oranges. 
C)  grapes and apples. 
D)  peaches and pears.

Question 14

Carbohydrates are stored as glycogen in the

Accepted Answer

A)  central nervous system and muscles. 
B)  heart and liver. 
C)  small intestine. 
D)  liver and muscles. 
A)  central nervous system and muscles. 
B)  heart and liver. 
C)  small intestine. 
D)  liver and muscles.

Question 15

Once monosaccharides are absorbed into the intestinal bloodstream,they are transported to the

Accepted Answer

A)  cells. 
B)  liver. 
C)  heart. 
D)  brain. 
A)  cells. 
B)  liver. 
C)  heart. 
D)  brain.

Question 16

Carbohydrates are nutrients that are composed of the elements carbon,hydrogen,and

Accepted Answer

A)  oxygen. 
B)  nitrogen. 
C)  water. 
D)  glucose. 
A)  oxygen. 
B)  nitrogen. 
C)  water. 
D)  glucose.

Question 17

A negative effect of sugar alcohols is that they

Accepted Answer

A)  contain more kilocalories than sugar. 
B)  can cause intoxication. 
C)  promote bacterial disease in the colon. 
D)  may cause diarrhea. 
A)  contain more kilocalories than sugar. 
B)  can cause intoxication. 
C)  promote bacterial disease in the colon. 
D)  may cause diarrhea.

Question 18

A food that contains maltose would be

Accepted Answer

A)  milk. 
B)  fruit. 
C)  molasses. 
D)  table sugar. 
A)  milk. 
B)  fruit. 
C)  molasses. 
D)  table sugar.

Question 19

Which of the following carbohydrates provides the fastest source of energy?

Accepted Answer

A)  ground beef 
B)  cranberry juice 
C)  whole grain cereal 
D)  milk 
A)  ground beef 
B)  cranberry juice 
C)  whole grain cereal 
D)  milk

Question 20

The digestion of milk yields the monosaccharides

Accepted Answer

A)  fructose and glucose. 
B)  galactose and glucose. 
C)  galactose and sucrose. 
D)  glucose and maltose. 
A)  fructose and glucose. 
B)  galactose and glucose. 
C)  galactose and sucrose. 
D)  glucose and maltose.

Exam 2: Carbohydrates

Wavelike contractions of the muscle fibers of the stomach and intestinal walls are called

Types of dietary fiber include

Digestion of the starch component of a peanut butter sandwich begins in the

An example of a food low in carbohydrates is

The preferred source of energy for the heart muscle is

Of the following,the best food choices for dietary fiber include

The recommended daily intake of dietary fiber for an adult woman is _____ g/day.

Carbohydrates play a major role in nutrition because they

The carbohydrate form in which glucose is stored in the body is

Sufficient dietary carbohydrates prevent excess formation of

A molecule of glycogen is composed of hundreds of units of

Carbohydrates are called "quick energy" foods because

A basket of fruit contains ripe grapes,apples,and oranges as well as pears and peaches that are not quite ripe.The fruits with the highest amount of simple sugar are the

Carbohydrates are stored as glycogen in the

Once monosaccharides are absorbed into the intestinal bloodstream,they are transported to the

Carbohydrates are nutrients that are composed of the elements carbon,hydrogen,and

A negative effect of sugar alcohols is that they

A food that contains maltose would be

Which of the following carbohydrates provides the fastest source of energy?

The digestion of milk yields the monosaccharides

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