Question 1

For each area of the digestive tract indicated,describe what process of carbohydrate digestion takes place in that area.Explain how the digestion of sugar,starches,and fiber are different from each other.

Accepted Answer

Digestible forms of dietary carbohydrate...

Question 2

Discuss,compare,and contrast starch and cellulose.

Accepted Answer

Starch is a storage form of glucose in p...

Question 3

Which of the following nutrients is NOT added to enriched grains?

Accepted Answer

A)  Thiamin
B)  Niacin
C)  Folate
D)  Vitamin E

Question 4

A 2000 calorie diet in which carbohydrate provides 50% of the calories would provide how many grams of carbohydrate?

Accepted Answer

A)  140
B)  200
C)  250
D)  400

Question 5

Which of the following types of diabetes is classified as an autoimmune disease?

Accepted Answer

A)  Gestational
B)  Type 2
C)  Type 1
D)  All of these choices are correct.

Question 6

Identify the parts of a whole-grain kernel,and describe the nutrients that are found in each part.Then,describe the parts of the kernel that are used to produce white,enriched,"all-purpose" flour and identify the nutrients that would not be present in this flour.

Accepted Answer

Endosperm- starch,protein,some vitamins ...

Question 7

Which of the following statements about glycogen is FALSE?

Accepted Answer

A)  Glycogen is a storage form of carbohydrate in humans and animals.
B)  Glycogen is composed of many glucose molecules.
C)  Glycogen is made and stored in liver and muscle.
D)  The primary role of muscle glycogen is to maintain blood glucose levels.

Question 8

Refined grain products contain predominantly what part(s) of the kernel?

Accepted Answer

A)  Husk and germ
B)  Stalk
C)  Germ and bran
D)  Endosperm

Question 9

The structure of glycogen consists of:

Accepted Answer

A)  highly branched chains.
B)  straight chains.
C)  short chains linked together.
D)  two monosaccharide units.

Question 10

Dietary fiber can help reduce blood cholesterol levels by:

Accepted Answer

A)  binding cholesterol and bile acids in the GI tract.
B)  blocking reabsorption of bile acids in the GI tract.
C)  inhibiting cholesterol synthesis in the liver.
D)  All of the these choices are correct.

Question 11

Describe changes in protein and fatty acid metabolism that occur when dietary carbohydrates are very low.

Accepted Answer

Proteins are broken down to release gluc...

Question 12

Lactose intolerance is caused by:

Accepted Answer

A)  excess production of the enzyme lactase.
B)  an allergic reaction to proteins found in milk and milk products.
C)  inadequate production of the enzyme lactase.
D)  the inability to produce the hormone insulin.

Question 13

How may excess sorbitol in the diet cause diarrhea?

Accepted Answer

Sorbitol is a sugar alcohol us...

Question 14

Which of the following statements about Type 1 diabetes is correct?

Accepted Answer

A)  This type of disease occurs when cells are no longer sensitive to insulin.
B)  Obesity is a major risk factor for developing this disease.
C)  The immune system destroys the pancreatic cells that produce insulin.
D)  Type 1 is the most common type of diabetes.

Question 15

Dietary fiber promotes a healthy intestinal microflora in part by:

Accepted Answer

A)  slowing the movement of food material in the gut.
B)  promoting the production of short chain fatty acids which provide metabolic fuel for colonic cells.
C)  decreasing the fluidity of the intestinal contents.
D)  producing natural antibiotics that kill pathogenic bacteria.

Question 16

What are dietary approaches to treat constipation?

Accepted Answer

Increasing insoluble fiber and water int...

Question 17

Indigestible carbohydrates provide positive health benefits in part by:

Accepted Answer

A)  slowing fecal movement.
B)  increasing the bulk of the colonic contents.
C)  decreasing the amount of water in the colon.
D)  All of these choices are true.

Question 18

A well-documented health problem associated with excess sugar intake is:

Accepted Answer

A)  dental caries.
B)  Type 1 diabetes.
C)  diverticular disease.
D)  constipation.

Question 19

A diet high in dietary fiber can help reduce the risk of developing:

Accepted Answer

A)  diverticular disease.
B)  anemia.
C)  Type 1 diabetes.
D)  lactose intolerance.

Question 20

Glycolysis is the metabolic pathway that:

Accepted Answer

A)  splits glucose into two molecules of pyruvate.
B)  generates glucose from glucogenic amino acids.
C)  synthesizes glycogen.
D)  creates glucose molecules from glycogen.

Exam 4: Carbohydrates: Sugars, Starches, and Fibre

What are dietary approaches to treat constipation?

Correct AnswerverifiedIncreasing insoluble fiber and water int...View AnswerShow Answer

How may excess sorbitol in the diet cause diarrhea?

Correct AnswerverifiedSorbitol is a sugar alcohol us...View AnswerShow Answer

Identify the parts of a whole-grain kernel,and describe the nutrients that are found in each part.Then,describe the parts of the kernel that are used to produce white,enriched,"all-purpose" flour and identify the nutrients that would not be present in this flour.

Correct AnswerverifiedEndosperm- starch,protein,some vitamins ...View AnswerShow Answer

Which of the following nutrients is NOT added to enriched grains?

Correct AnswerverifiedShow Answer

Which of the following statements about Type 1 diabetes is correct?

Correct AnswerverifiedShow Answer

Glycolysis is the metabolic pathway that:

Correct AnswerverifiedShow Answer

A diet high in dietary fiber can help reduce the risk of developing:

Correct AnswerverifiedShow Answer

Describe changes in protein and fatty acid metabolism that occur when dietary carbohydrates are very low.

Correct AnswerverifiedProteins are broken down to release gluc...View AnswerShow Answer

Lactose intolerance is caused by:

Correct AnswerverifiedShow Answer

For each area of the digestive tract indicated,describe what process of carbohydrate digestion takes place in that area.Explain how the digestion of sugar,starches,and fiber are different from each other.

Correct AnswerverifiedDigestible forms of dietary carbohydrate...View AnswerShow Answer

Discuss,compare,and contrast starch and cellulose.

Correct AnswerverifiedStarch is a storage form of glucose in p...View AnswerShow Answer

Refined grain products contain predominantly what part(s) of the kernel?

Correct AnswerverifiedShow Answer

The structure of glycogen consists of:

Correct AnswerverifiedShow Answer

Dietary fiber promotes a healthy intestinal microflora in part by:

Correct AnswerverifiedShow Answer

Which of the following statements about glycogen is FALSE?

Correct AnswerverifiedShow Answer

Indigestible carbohydrates provide positive health benefits in part by:

Correct AnswerverifiedShow Answer

Dietary fiber can help reduce blood cholesterol levels by:

Correct AnswerverifiedShow Answer

Which of the following types of diabetes is classified as an autoimmune disease?

Correct AnswerverifiedShow Answer

A well-documented health problem associated with excess sugar intake is:

Correct AnswerverifiedShow Answer

A 2000 calorie diet in which carbohydrate provides 50% of the calories would provide how many grams of carbohydrate?

Correct AnswerverifiedShow Answer

Correct Answer
verified
Increasing insoluble fiber and water int...
View Answer

Correct Answer
verified
Sorbitol is a sugar alcohol us...
View Answer

Correct Answer
verified
Endosperm- starch,protein,some vitamins ...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Proteins are broken down to release gluc...
View Answer

Correct Answer
verified

Correct Answer
verified
Digestible forms of dietary carbohydrate...
View Answer

Correct Answer
verified
Starch is a storage form of glucose in p...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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