Question 1

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

Question 2

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

Question 3

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. 
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 4

The structure of glycogen consists of:

Accepted Answer

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

Question 5

How may excess sorbitol in the diet cause diarrhea?

Accepted Answer

Sorbitol is a sugar alcohol us

Question 6

What are dietary approaches to treat constipation?

Accepted Answer

Increasing insoluble fiber and water int

Question 7

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

Question 8

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. 
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 9

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. 
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 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. 
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

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. 
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 12

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 13

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

Question 14

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

Question 15

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

Accepted Answer

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

Question 16

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

Question 17

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 18

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. 
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 19

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 20

Discuss,compare,and contrast starch and cellulose.

Accepted Answer

Starch is a storage form of glucose in p

Exam 4: Carbohydrates: Sugars, Starches, and Fibre

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

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

Indigestible carbohydrates provide positive health benefits in part by:

The structure of glycogen consists of:

How may excess sorbitol in the diet cause diarrhea?

What are dietary approaches to treat constipation?

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

Which of the following statements about glycogen is FALSE?

Lactose intolerance is caused by:

Dietary fiber can help reduce blood cholesterol levels by:

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

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

Glycolysis is the metabolic pathway that:

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

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

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

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.

Dietary fiber promotes a healthy intestinal microflora in part by:

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.

Discuss,compare,and contrast starch and cellulose.

Nutrition: Food for Health

Digestion, Absorption, and Metabolism

Lipids

Proteins and Amino Acids

Energy Balance and Weight Management

The Water-Soluble Vitamins

The Fat-Soluble Vitamins

Water and the Electrolytes

Major Minerals and Bone Health

The Trace Elements

Nutrition and Physical Activity

Nutrition During Pregnancy and Lactation

Nutrition From Infancy to Adolescence

Nutrition and Aging: the Adult Years

Food Safety

World Hunger and Malnutrition

Focus On Alcohol

Focus on Biotechnology

Focus On Eating Disorders

Focus On Phytochemicals

Focus on Supplements

Filters