Question 1

What are the symptoms associated with lactose intolerance? Explain why these symptoms occur.

Accepted Answer

Lactose intolerance is a condition in wh

Question 2

Sucrose is composed of:

Accepted Answer

A) many molecules of glucose linked together. 
B) two molecules of glucose. 
C) a molecule of fructose and a molecule of glucose. 
D) two molecules of fructose. 
A) many molecules of glucose linked together. 
B) two molecules of glucose. 
C) a molecule of fructose and a molecule of glucose. 
D) two molecules of fructose.

Question 3

Diabetes is best characterized by:

Accepted Answer

A) abnormally high blood glucose levels. 
B) elevated blood lipids. 
C) the presence of ketones in blood. 
D) blood glucose levels below the normal range. 
A) abnormally high blood glucose levels. 
B) elevated blood lipids. 
C) the presence of ketones in blood. 
D) blood glucose levels below the normal range.

Question 4

Which of the following is true of colon cancer?

Accepted Answer

A) High fiber and whole grain intake may reduce the risk. 
B) Changes in DNA underlie the development of colonic tumors. 
C) Environmental carcinogens are thought to cause many cancers. 
D) All of these statements are true. 
A) High fiber and whole grain intake may reduce the risk. 
B) Changes in DNA underlie the development of colonic tumors. 
C) Environmental carcinogens are thought to cause many cancers. 
D) All of these statements are true.

Question 5

Which hormone is most important for glucose uptake by body cells?

Accepted Answer

A) Glucagon 
B) Insulin 
C) Prolactin 
D) Ghrelin 
A) Glucagon 
B) Insulin 
C) Prolactin 
D) Ghrelin

Question 6

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 7

The concentration of glucose in the blood is primarily regulated by:

Accepted Answer

A) pancreatic enzymes. 
B) pancreatic hormones. 
C) enzymes in the membranes of cells lining the small intestine. 
D) hormones released by the GI tract. 
A) pancreatic enzymes. 
B) pancreatic hormones. 
C) enzymes in the membranes of cells lining the small intestine. 
D) hormones released by the GI tract.

Question 8

What are dietary approaches to treat constipation?

Accepted Answer

Dietary approaches to treat constipation

Question 9

The breakdown of dietary carbohydrates releases _____kcal/g of energy.

Accepted Answer

A) 9 
B) 4 
C) 7 
D) 2 
A) 9 
B) 4 
C) 7 
D) 2

Question 10

Studies suggest that the incidence of colon cancer may be lowered with high fiber diets.How might this be explained?

Accepted Answer

A) Fiber decreases contact between mucosal cells and colonic contents. 
B) Fiber decreases transit time. 
C) Fiber containing foods are usually high in phytochemicals and antioxidant vitamins. 
D) All of these statements are true. 
A) Fiber decreases contact between mucosal cells and colonic contents. 
B) Fiber decreases transit time. 
C) Fiber containing foods are usually high in phytochemicals and antioxidant vitamins. 
D) All of these statements are true.

Question 11

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 12

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 13

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

The answer of Identify the parts of a whole-grain kernel,and...

Question 14

___________ can be a concern for individuals with phenylketonuria.

Accepted Answer

A) Aspartame 
B) Saccharin 
C) Acesulfame K 
D) Neotame 
A) Aspartame 
B) Saccharin 
C) Acesulfame K 
D) Neotame

Question 15

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 16

Aerobic metabolism occurs in:

Accepted Answer

A) the cytoplasm of a cell. 
B) the mitochondria of a cell. 
C) the nucleus of a cell. 
D) None of these choices is correct. 
A) the cytoplasm of a cell. 
B) the mitochondria of a cell. 
C) the nucleus of a cell. 
D) None of these choices is correct.

Question 17

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 18

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

Accepted Answer

When dietary carbohydrates are very low,

Question 19

An oligosaccharide is a:

Accepted Answer

A) disaccharide found in fruits and vegetables. 
B) storage form of plant starch. 
C) carbohydrate containing 3-10 sugar units. 
D) form of artificial sweetener. 
A) disaccharide found in fruits and vegetables. 
B) storage form of plant starch. 
C) carbohydrate containing 3-10 sugar units. 
D) form of artificial sweetener.

Question 20

One possible adverse effect of excessive fiber consumption is:

Accepted Answer

A) an increase in blood cholesterol. 
B) decreased absorption of calcium and iron. 
C) increased incidence of colon cancer. 
D) increased incidence of diverticulosis. 
A) an increase in blood cholesterol. 
B) decreased absorption of calcium and iron. 
C) increased incidence of colon cancer. 
D) increased incidence of diverticulosis.

Exam 4: Carbohydrates: Sugars, Starches, and Fiber

What are the symptoms associated with lactose intolerance? Explain why these symptoms occur.

Sucrose is composed of:

Diabetes is best characterized by:

Which of the following is true of colon cancer?

Which hormone is most important for glucose uptake by body cells?

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

The concentration of glucose in the blood is primarily regulated by:

What are dietary approaches to treat constipation?

The breakdown of dietary carbohydrates releases _____kcal/g of energy.

Studies suggest that the incidence of colon cancer may be lowered with high fiber diets.How might this be explained?

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

The structure of glycogen consists of:

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.

___________ can be a concern for individuals with phenylketonuria.

Which of the following statements about glycogen is FALSE?

Aerobic metabolism occurs in:

Glycolysis is the metabolic pathway that:

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

An oligosaccharide is a:

One possible adverse effect of excessive fiber consumption is:

Nutrition: Food for Health

Nutrition Guidelines: Applying the Science of Nutrition

Digestion, Absorption, and Metabolism

Lipids: Triglycerides, Phospholipids, and Cholesterol

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 Minerals

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 Eating Disorders

Focus on Phytochemicals

Focus on Nonvitaminnonmineral Supplements

Focus on Biotechnology

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