Question 1

Plants use glucose to make fiber and starch.

Accepted Answer

A) True 
 B)False

Question 2

Macey would like to sweeten her tea with a nonnutritive sweetener that provides no calories per teaspoon.Which of the following sweeteners should she use?

Accepted Answer

A) Table sugar 
B) Granulated cane juice 
C) Mannitol 
D) Sucralose

Question 3

Which of the following statements is true?

Accepted Answer

A) Each gram of fiber supplies about 6 kcal for humans. 
B) Diets high in fiber increase the risk of type 2 diabetes. 
C) The human digestive tract does not produce enzymes that digest dietary fiber. 
D) Eating foods rich in insoluble fiber may increase one's risk for heart disease.

Question 4

Julian ate a baked potato as a side with his dinner.  The starch in the baked potato will begin to be digested

Accepted Answer

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

Question 5

If your diet supplies more sugar and starch than you need,the excess can be

Accepted Answer

A) converted to proteins that are metabolized for energy. 
B) metabolized to form urea and excreted by the kidneys. 
C) eliminated in feces. 
D) converted into fat and stored.

Question 6

Katie is pregnant.She has type 1 diabetes and often has difficulty controlling her blood glucose level.Based on this information,Katie is more likely to

Accepted Answer

A) give birth to a baby that has birth defects. 
B) have a lower risk of gestational hypertension. 
C) require more vitamin D,calcium,and iron than a pregnant woman who does not have diabetes. 
D) require more glucagon than she needed before becoming pregnant.

Question 7

In the human intestinal tract,cooked rice is broken down into ________ molecules that can be absorbed.

Accepted Answer

A) sucrose 
B) glucose 
C) lactose 
D) ribose

Question 8

The best way to avoid tooth decay is to use a mouthwash that kills bacteria in the mouth.

Accepted Answer

A) True 
 B)False

Question 9

Starch

Accepted Answer

A) is composed of amylose and amylopectin. 
B) is found in both plant and animal food sources. 
C) is more branched than glycogen. 
D) cannot be digested by human enzymes.

Question 10

Fiber is nondigestible by humans because it contains a branched chain.  Comparatively,starch is digestible by humans because it is unbranched.

Accepted Answer

A) True 
 B)False

Question 11

Intestinal bacteria produce gases when they metabolize fiber.

Accepted Answer

A) True 
 B)False

Question 12

Refined carbohydrates do not satisfy hunger as well as proteins and fats,which may lead to an excessive consumption of calories.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following physical characteristics or health conditions is a sign of metabolic syndrome?

Accepted Answer

A) Waist circumference that is 32 inches 
B) Body temperature that is over 101°F 
C) Fasting blood glucose levels that are consistently between 75 and 99 mg/dl 
D) Fasting blood triglyceride levels that are consistently more than 150 mg/dl

Question 14

When muscle cells have more glucose than they need for energy,they may store some of the excess as

Accepted Answer

A) glycogen. 
B) ketone bodies. 
C) certain B vitamins. 
D) fiber.

Question 15

Which of the following statements is true?

Accepted Answer

A) Sucrose supplies more energy,gram per gram,than starch. 
B) Sucrose is a source of glucose. 
C) Sucrose has no nutritional value. 
D) Sucrose is comprised of two glucose molecules.

Question 16

Fai was recently diagnosed with lactose-intolerance.  She knows that consuming enough vitamin D and calcium is important for those with lactose intolerance.  With that in mind,which of the following do you recommend?

Accepted Answer

A) Consume lactose-free milk. 
B) Consume 2-3 cups of cow's milk daily. 
C) Avoid yogurt due to the high concentration of lactose. 
D) Select soft cheeses rather than hard cheeses.

Question 17

Which of the following statements is true?

Accepted Answer

A) Dietary fiber includes the stringy material found in tough,overcooked meat. 
B) Most Americans do not consume enough dietary fiber. 
C) Scientists classify forms of fiber according to their solubility in oil. 
D) Most forms of fiber are comprised of fructose molecules bonded together.

Question 18

Max wants to restrict the added sugar intake of his 5-year-old son.He should

Accepted Answer

A) give the child low-fat milk with meals and snacks instead of regular soft drinks. 
B) serve more foods that are sources of refined carbohydrates. 
C) replace his son's favorite fruit juices with fruit ades or drinks. 
D) encourage the child to consume more energy drinks.

Question 19

Which of the following foods has a low glycemic index (less than 70)?

Accepted Answer

A) White rice 
B) Apple 
C) Banana 
D) Plain white bagel

Question 20

This morning,Margie's fasting blood glucose level indicated that she has hyperglycemia and pre-diabetes.Based on this information,her fasting blood glucose level was ________ mg/dl.

Accepted Answer

A) 120 
B) 158 
C) 95 
D) 67

Exam 5: Carbohydrates: Sugars, starches, and Fiber

Plants use glucose to make fiber and starch.

Macey would like to sweeten her tea with a nonnutritive sweetener that provides no calories per teaspoon.Which of the following sweeteners should she use?

Which of the following statements is true?

Julian ate a baked potato as a side with his dinner. The starch in the baked potato will begin to be digested

If your diet supplies more sugar and starch than you need,the excess can be

Katie is pregnant.She has type 1 diabetes and often has difficulty controlling her blood glucose level.Based on this information,Katie is more likely to

In the human intestinal tract,cooked rice is broken down into ________ molecules that can be absorbed.

The best way to avoid tooth decay is to use a mouthwash that kills bacteria in the mouth.

Starch

Fiber is nondigestible by humans because it contains a branched chain. Comparatively,starch is digestible by humans because it is unbranched.

Intestinal bacteria produce gases when they metabolize fiber.

Refined carbohydrates do not satisfy hunger as well as proteins and fats,which may lead to an excessive consumption of calories.

Which of the following physical characteristics or health conditions is a sign of metabolic syndrome?

When muscle cells have more glucose than they need for energy,they may store some of the excess as

Which of the following statements is true?

Fai was recently diagnosed with lactose-intolerance. She knows that consuming enough vitamin D and calcium is important for those with lactose intolerance. With that in mind,which of the following do you recommend?

Which of the following statements is true?

Max wants to restrict the added sugar intake of his 5-year-old son.He should

Which of the following foods has a low glycemic index (less than 70) ?

This morning,Margie's fasting blood glucose level indicated that she has hyperglycemia and pre-diabetes.Based on this information,her fasting blood glucose level was ________ mg/dl.