Question 1

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.E) A) and C)
F) C) and D)

Question 2

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.E) A) and D)
F) B) and C)

Question 3

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

Accepted Answer

A)  Glucagon
B)  Insulin
C)  Prolactin
D)  GhrelinE) A) and C)
F) B) and C)

Question 4

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.E) All of the above
F) None of the above

Question 5

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)  400E) A) and B)
F) B) and C)

Question 6

What are dietary approaches to treat constipation?

Accepted Answer

Dietary approaches to treat constipation...

Question 7

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.E) A) and B)
F) C) and D)

Question 8

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.E) A) and D)
F) A) and C)

Question 9

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.E) C) and D)
F) All of the above

Question 10

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 11

The structure of glycogen consists of:

Accepted Answer

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

Question 12

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

Accepted Answer

Lactose intolerance is a condition in wh...

Question 13

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.E) A) and B)
F) A) and D)

Question 14

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 15

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.E) A) and D)
F) All of the above

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.E) B) and C)
F) A) and D)

Question 17

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

Accepted Answer

A)  9
B)  4
C)  7
D)  2E) A) and B)
F) A) and C)

Question 18

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.E) A) and B)
F) B) and D)

Question 19

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.E) C) and D)
F) A) and B)

Question 20

___________ can be a concern for individuals with phenylketonuria.

Accepted Answer

A)  Aspartame
B)  Saccharin
C)  Acesulfame K
D)  NeotameE) C) and D)
F) None of the above

Exam 4: Carbohydrates: Sugars, Starches, and Fiber

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following is true of colon cancer?

Correct AnswerverifiedShow Answer

Glycolysis is the metabolic pathway that:

Correct AnswerverifiedShow Answer

Diabetes is best characterized by:

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

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

Correct AnswerverifiedShow Answer

What are dietary approaches to treat constipation?

Correct AnswerAnswered by ExamLex AIDietary approaches to treat constipation...View AnswerShow Answer

An oligosaccharide is a:

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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 AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The structure of glycogen consists of:

Correct AnswerverifiedShow Answer

Aerobic metabolism occurs in:

Correct AnswerverifiedShow Answer

___________ can be a concern for individuals with phenylketonuria.

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Which of the following statements about glycogen is FALSE?

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Sucrose is composed of:

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One possible adverse effect of excessive fiber consumption is:

Correct AnswerverifiedShow Answer

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

Correct AnswerAnswered by ExamLex AIWhen dietary carbohydrates are very low,...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerAnswered by ExamLex AILactose intolerance is a condition in wh...View AnswerShow Answer

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Dietary approaches to treat constipation...
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When dietary carbohydrates are very low,...
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Answered by ExamLex AI
Lactose intolerance is a condition in wh...
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