Question 1

Refined grains serve as abundant carbohydrate sources. However, during processing, the bran is removed from the grain kernel, resulting in

Accepted Answer

A)   a loss of vitamins.
B)   a loss of oils.
C)   a loss of fiber.
D)   a loss of protein.

Question 2

Treatment of type 1 diabetes always requires insulin injections (or an insulin pump).

Accepted Answer

A) True 
 B)False  True

Question 3

Maltose, an end product of starch digestion, is degraded in the small intestine by the enzyme

Accepted Answer

A)   maltase.
B)   sucrose.
C)   lactase.
D)   fructosidase.

Question 4

The RDA for carbohydrates is 130 g per day for adults. This amount

Accepted Answer

A)   is the minimum amount of glucose needed for the brain each day.
B)   supplies enough energy to support vigorous activities.
C)   should not be exceeded so that risk of hyperglycemia is minimized.
D)   is difficult to obtain in a well-balanced diet.

Question 5

Most of the starch in a kernel of wheat is found in

Accepted Answer

A)   the germ.
B)   the endosperm.
C)   the bran.
D)   the stalk.

Question 6

A carbohydrate is an organic compound made up of one or more sugar molecules.

Accepted Answer

A) True 
 B)False

Question 7

The most abundant monosaccharide in the human body is

Accepted Answer

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

Question 8

Ketogenesis is a natural response to starvation as well as to very-low-carbohydrate diets. Ketone production is thought to serve a main purpose of

Accepted Answer

A)   sparing glucose to reduce breakdown of muscle proteins.
B)   sparing glucose so that it can be stored in the brain as glycogen.
C)   sparing glucose so that it can be stored in the liver as glycogen.

Question 9

The glycemic index is a rating scale that compares the glycemic response to a typical serving of a given food to the glycemic response to 50 grams of glucose.

Accepted Answer

A) True 
 B)False  False

Question 10

Foods with a glycemic index of >70 are considered high-GI foods and

Accepted Answer

A)   would result in a slower increase in blood glucose levels.
B)   contain over 50 g of glucose.
C)   would result in a rapid increase in blood glucose levels.
D)   are desirable for people wishing to reduce their glycemic response to foods.

Question 11

Diabetes mellitus is a group of metabolic disorders characterized by elevated levels of glucose in the blood.

Accepted Answer

A) True 
 B)False

Question 12

Glycogen is

Accepted Answer

A)   stored in liver and skeletal muscle.
B)   stored in adipose tissue.
C)   stored in the brain.
D)   not stored.

Question 13

Increasing dietary fiber may be helpful to people with type 2 diabetes because it has been shown to

Accepted Answer

A)   increase pancreatic function.
B)   reduce glucagon levels.
C)   reduce insulin levels.
D)   reduce blood glucose levels.

Question 14

Maintaining blood glucose levels as close to normal as possible is important for people with wither type 1 or type 2 diabetes in order to

Accepted Answer

A)   preserve pancreatic insulin production.
B)   save money on supplies.
C)   reduce the risk of developing complications of the disease.

Question 15

Dietary fiber is non-digestible by humans because

Accepted Answer

A)   the enzymes required to digest fiber are depleted by digesting starches.
B)   we lack the enzymes to break the types of bonds found in fiber.
C)   we don't produce the acid necessary to break the types of bonds found in fiber.

Question 16

High-fructose corn syrup is

Accepted Answer

A)   produced from sugar cane.
B)   naturally found in foods.
C)   a mixture of fructose and glucose.
D)   consumed at levels that are less than those of table sugar consumption.

Question 17

Type 2 diabetes

Accepted Answer

A)   is the least common form of diabetes.
B)   occurs during childhood or adolescence.
C)   is caused by insulin resistance.
D)   is thought to be an autoimmune disorder.

Question 18

Salivary amylase begins the process of carbohydrate digestion in the mouth. The activity of salivary amylase is halted in the stomach because

Accepted Answer

A)   of the acidic environment of the stomach.
B)   starch digestion has concluded at that point.
C)   its continued activity could damage the stomach lining.
D)   secretion of salivary amylase into the duodenum would reduce the release of pancreatic amylase from the small intestine.

Question 19

Lactose consists of

Accepted Answer

A)   galactose bound to glucose.
B)   galactose bound to fructose.
C)   fructose bound to glucose.
D)   glucose bound to glucose.

Question 20

Chemical digestion of the starch begins in the

Accepted Answer

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

Exam 4: Carbohydrates

Refined grains serve as abundant carbohydrate sources. However, during processing, the bran is removed from the grain kernel, resulting in

Correct AnswerverifiedShow Answer

Treatment of type 1 diabetes always requires insulin injections (or an insulin pump).

Correct AnswerverifiedTrue

Maltose, an end product of starch digestion, is degraded in the small intestine by the enzyme

Correct AnswerverifiedShow Answer

The RDA for carbohydrates is 130 g per day for adults. This amount

Correct AnswerverifiedShow Answer

Most of the starch in a kernel of wheat is found in

Correct AnswerverifiedShow Answer

A carbohydrate is an organic compound made up of one or more sugar molecules.

Correct AnswerverifiedShow Answer

The most abundant monosaccharide in the human body is

Correct AnswerverifiedB

Ketogenesis is a natural response to starvation as well as to very-low-carbohydrate diets. Ketone production is thought to serve a main purpose of

Correct AnswerverifiedShow Answer

The glycemic index is a rating scale that compares the glycemic response to a typical serving of a given food to the glycemic response to 50 grams of glucose.

Correct AnswerverifiedFalse

Foods with a glycemic index of >70 are considered high-GI foods and

Correct AnswerverifiedShow Answer

Diabetes mellitus is a group of metabolic disorders characterized by elevated levels of glucose in the blood.

Correct AnswerverifiedShow Answer

Glycogen is

Correct AnswerverifiedShow Answer

Increasing dietary fiber may be helpful to people with type 2 diabetes because it has been shown to

Correct AnswerverifiedShow Answer

Maintaining blood glucose levels as close to normal as possible is important for people with wither type 1 or type 2 diabetes in order to

Correct AnswerverifiedShow Answer

Dietary fiber is non-digestible by humans because

Correct AnswerverifiedShow Answer

High-fructose corn syrup is

Correct AnswerverifiedShow Answer

Type 2 diabetes

Correct AnswerverifiedShow Answer

Salivary amylase begins the process of carbohydrate digestion in the mouth. The activity of salivary amylase is halted in the stomach because

Correct AnswerverifiedShow Answer

Lactose consists of

Correct AnswerverifiedShow Answer

Chemical digestion of the starch begins in the

Correct AnswerverifiedShow Answer

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False

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