Question 1

If a person increases his food intake without increasing his energy need for metabolic functions or processing, what will he need to do in order to maintain his weight?

Accepted Answer

A)   decrease physical activity
B)   increase physical activity
C)   consume additional vitamins
D)   drink additional water
E)   drink less water

Question 2

One serving of the food shown on this label contains _____ calories from protein.

Accepted Answer

A)   20
B)   5
C)   45
D)   15
E)   120

Question 3

Carbohydrates are typically broken down to

Accepted Answer

A)   maltose, the molecule stored for future energy needs.
B)   fructose, the molecule stored for future energy needs.
C)   glucose, the molecule used as the energy source in cells.
D)   glycogen, the molecule used as the energy source in cells.
E)   glucose, the molecule stored for future energy needs.

Question 4

Which eating disorder is characterized by a person thinking that his or her body is underdeveloped?

Accepted Answer

A)   muscle dysmorphia
B)   binge-eating disorder
C)   bulimia nervosa
D)   anorexia nervosa
E)   type 2 diabetes

Question 5

Mark is 72 inches tall and weighs 180 pounds. His body mass index is

Accepted Answer

A)   24.4.
B)   20.0.
C)   29.8.
D)   33.2.
E)   35.4.

Question 6

During water toxication (hyponatremia) , which electrolytes can become out of balance?

Accepted Answer

A)   sodium and potassium
B)   sodium and calcium
C)   calcium and potassium
D)   iron and magnesium
E)   zinc and iron

Question 7

Scientific testing has not been performed on many herbal supplements.

Accepted Answer

A) True 
 B)False

Question 8

Energy needs are supplied by

Accepted Answer

A)   carbohydrates, lipids, and proteins.
B)   micronutrients.
C)   antioxidants.
D)   fiber.
E)   essential amino acids.

Question 9

Which of the following is a healthy body mass index?

Accepted Answer

A)   20.3
B)   26.6
C)   29.2
D)   32.8
E)   41.5

Question 10

Which statement is correct about empty-calorie foods?

Accepted Answer

A)   Empty-calorie foods have a high amount of sugar and/or fat in relation to the vitamin content.
B)   Empty-calorie foods have a low amount of sugar and/or fat in relation to the vitamin content.
C)   Empty-calorie foods have a high amount of protein in relation to the vitamin content.
D)   Empty-calorie foods have a high amount of vitamins in them.
E)   Empty-calorie foods have a high amount of fiber in them.

Question 11

The USDA recommends which type of food should compose the smallest percentage of our diet?

Accepted Answer

A)   fruits and vegetables
B)   fats and oils
C)   meat, eggs, and nuts
D)   breads and cereals
E)   dairy products

Question 12

Cholesterol can be synthesized by the body and is found in certain foods.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following is a function of the digestive system?

Accepted Answer

A)   eliminate dead bacteria
B)   eliminate nondigestible food
C)   eliminate bile pigments from the breakdown of hemoglobin
D)   absorb nutrients
E)   All of the above are functions of the digestive system.

Question 14

Obesity increases the risk of type 2 diabetes and cardiovascular disease.

Accepted Answer

A) True 
 B)False

Question 15

Lipids

Accepted Answer

A)   add to fecal bulk.
B)   regulate metabolism and physiological development.
C)   may be used to make certain hormones and vitamin D.
D)   should be the main component of a healthy diet.
E)   are found only in low amounts in animal sources of food.

Question 16

What criteria is used to distinguish between an empty-calorie food and a junk food?

Accepted Answer

A)   Empty-calorie foods have a high sugar and/or fat-to-vitamin ratio.
B)   Empty-calorie foods have a low sugar and/or fat-to-vitamin ratio.
C)   Empty-calorie foods have no calories in them at all.
D)   Empty-calorie foods are made completely from artificial ingredients.
E)   Junk foods have a higher vitamins-to-sugar ratio than empty-calorie foods.

Question 17

Which of the following is part of a plan to maintain a healthy weight?

Accepted Answer

A)   physical activity
B)   a kilocalorie output equal to the kilocalorie input
C)   appropriate intake of vitamins and minerals
D)   moderate intake of fats
E)   All of the above are part of a plan to maintain a healthy weight.

Question 18

Digestion in humans and earthworms

Accepted Answer

A)   is similar in that in both organisms, digestion is an extracellular process, occurring in a complete digestive tract.
B)   is different in that earthworms have a sac plan body plan and humans have a tube-within-a-tube body plan.
C)   is different in that digestion is an extracellular process in humans but an intracellular process in earthworms.
D)   is similar in that in both organisms, digestion is an intracellular process, occurring in an incomplete digestive system.
E)   is similar in that in both organisms, digestion occurs in a simple tract, in which all parts of the tract are similar.

Question 19

Proteins must be ingested in order to obtain

Accepted Answer

A)   necessary trans fats.
B)   essential amino acids.
C)   essential cholesterol.
D)   needed minerals such as potassium and magnesium.
E)   needed vitamins such as vitamin C.

Question 20

Trans fats are

Accepted Answer

A)   found naturally in all animals.
B)   found naturally in all plants.
C)   produced by hydrogenating unsaturated oils.
D)   produced by hydrogenating saturated fats and unsaturated oils together.
E)   produced by hydrogenating polysaturated fats.

Exam 25: Digestion and Human Nutrition

Which of the following is part of a plan to maintain a healthy weight?

Correct AnswerverifiedShow Answer

Digestion in humans and earthworms

Correct AnswerverifiedShow Answer

Which statement is correct about empty-calorie foods?

Correct AnswerverifiedShow Answer

Obesity increases the risk of type 2 diabetes and cardiovascular disease.

Correct AnswerverifiedShow Answer

Trans fats are

Correct AnswerverifiedShow Answer

Cholesterol can be synthesized by the body and is found in certain foods.

Correct AnswerverifiedShow Answer

Energy needs are supplied by

Correct AnswerverifiedShow Answer

One serving of the food shown on this label contains _____ calories from protein.

Correct AnswerverifiedShow Answer

What criteria is used to distinguish between an empty-calorie food and a junk food?

Correct AnswerverifiedShow Answer

Scientific testing has not been performed on many herbal supplements.

Correct AnswerverifiedShow Answer

Proteins must be ingested in order to obtain

Correct AnswerverifiedShow Answer

During water toxication (hyponatremia) , which electrolytes can become out of balance?

Correct AnswerverifiedShow Answer

Which of the following is a healthy body mass index?

Correct AnswerverifiedShow Answer

The USDA recommends which type of food should compose the smallest percentage of our diet?

Correct AnswerverifiedShow Answer

Mark is 72 inches tall and weighs 180 pounds. His body mass index is

Correct AnswerverifiedShow Answer

Which eating disorder is characterized by a person thinking that his or her body is underdeveloped?

Correct AnswerverifiedShow Answer

Carbohydrates are typically broken down to

Correct AnswerverifiedShow Answer

Lipids

Correct AnswerverifiedShow Answer

If a person increases his food intake without increasing his energy need for metabolic functions or processing, what will he need to do in order to maintain his weight?

Correct AnswerverifiedShow Answer

Which of the following is a function of the digestive system?

Correct AnswerverifiedShow Answer

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