Question 1

Which of the following statements about human digestion is true?

Accepted Answer

A)  We are able to directly absorb most large nutrient molecules,such as starch. 
B)  We must process nutrients in order to absorb them. 
C)  The absorptive surface of our gut lets all materials pass through it into the bloodstream. 
D)  The human gut is able to absorb complex proteins easily. 
A)  We are able to directly absorb most large nutrient molecules,such as starch. 
B)  We must process nutrients in order to absorb them. 
C)  The absorptive surface of our gut lets all materials pass through it into the bloodstream. 
D)  The human gut is able to absorb complex proteins easily.

Question 2

In which of the following animals would you expect to find the longest small intestine relative to its total body size?

Accepted Answer

A)  a lion 
B)  a horse 
C)  a human 
D)  a wolf 
A)  a lion 
B)  a horse 
C)  a human 
D)  a wolf

Question 3

Despite a high-calorie diet,some individuals are able to maintain a healthy weight and minimal cardiovascular risk by implementing more ________ into their daily routines.

Accepted Answer

The answer of Despite a high-calorie diet,some individuals are able...

Question 4

________ are NOT nutrients,do NOT provide us with energy,and are required only in small quantities;however,they help regulate metabolic processes.

Accepted Answer

The answer of ________ are NOT nutrients,do NOT provide us...

Question 5

The ________ is the organ that contracts to mix food particles with acid and enzymes,and also holds food until it can pass farther along for continued digestion.

Accepted Answer

The answer of The ________ is the organ that contracts...

Question 6

The human liver produces bile,a substance that

Accepted Answer

A)  aids in the absorption of vitamin K. 
B)  allows fats to dissolve more easily in the watery contents of the gut. 
C)  neutralizes the acids produced by pepsin. 
D)  breaks the bonds between amino acids. 
A)  aids in the absorption of vitamin K. 
B)  allows fats to dissolve more easily in the watery contents of the gut. 
C)  neutralizes the acids produced by pepsin. 
D)  breaks the bonds between amino acids.

Question 7

As nutrients move across an intestinal villus,capillaries absorb

Accepted Answer

A)  amino acids and sugars. 
B)  fats. 
C)  lymph vessels. 
D)  monoglycerides. 
A)  amino acids and sugars. 
B)  fats. 
C)  lymph vessels. 
D)  monoglycerides.

Question 8

Whole-grain foods are good components of a diet when trying to reduce cancer risk.

Accepted Answer

A) True 
 B)False

Question 9

Food passing through our digestive tract would contain the fewest nutrients in the

Accepted Answer

A)  small intestine. 
B)  stomach. 
C)  colon. 
D)  esophagus. 
A)  small intestine. 
B)  stomach. 
C)  colon. 
D)  esophagus.

Question 10

Which of the following does NOT occur in the colon?

Accepted Answer

A)  absorption of minerals 
B)  breakdown of fats and carbohydrates 
C)  absorption of water 
D)  vitamin production by prokaryotic organisms 
A)  absorption of minerals 
B)  breakdown of fats and carbohydrates 
C)  absorption of water 
D)  vitamin production by prokaryotic organisms

Question 11

The main reason that proteins are an important part of your diet is that they are a source of ________,the building blocks of the enzymes that run your cells.

Accepted Answer

The answer of The main reason that proteins are an...

Question 12

The enzyme lactase is found only in populations of people who suffer from lactose intolerance.

Accepted Answer

A) True 
 B)False

Question 13

Digestive ________,such as pepsin,break specific chemical bonds to help organisms process their food.

Accepted Answer

The answer of Digestive ________,such as pepsin,break specific chemical bonds...

Question 14

Which one of the following food sources would be eaten by carnivores?

Accepted Answer

A)  apples 
B)  Girl Scout cookies 
C)  mushrooms 
D)  deer 
A)  apples 
B)  Girl Scout cookies 
C)  mushrooms 
D)  deer

Question 15

Chemical digestion occurs inside of the organ indicated by the arrow in the figure below.

Accepted Answer

A) True 
 B)False

Question 16

A major concern in public health is the intake of too much ________,thus leading many people to have ________,which can damage ________.

Accepted Answer

A)  iodine;goiter;muscles 
B)  zinc;depression;nerves 
C)  table salt;high blood pressure;kidneys 
D)  calcium;osteoporosis;bones 
A)  iodine;goiter;muscles 
B)  zinc;depression;nerves 
C)  table salt;high blood pressure;kidneys 
D)  calcium;osteoporosis;bones

Question 17

Many ________,small inorganic compounds that are needed in trace amounts,are essential to the proper function of proteins.

Accepted Answer

The answer of Many ________,small inorganic compounds that are needed...

Question 18

The eight essential amino acids required by adult humans

Accepted Answer

A)  are produced by the human body. 
B)  can be obtained by eating any one type of vegetable. 
C)  are not found in meat products. 
D)  are used as building blocks for human proteins. 
A)  are produced by the human body. 
B)  can be obtained by eating any one type of vegetable. 
C)  are not found in meat products. 
D)  are used as building blocks for human proteins.

Question 19

The figure below shows four types of nutrients that are absorbable by animal cells.
 
Which of the above molecules could be absorbed by the digestive tract without further digestion by enzymes?

Accepted Answer

A)  polysaccharide 
B)  disaccharide 
C)  protein 
D)  monoglyceride 
A)  polysaccharide 
B)  disaccharide 
C)  protein 
D)  monoglyceride

Question 20

If a person wishes to lose weight,he or she must

Accepted Answer

A)  expend more kcals of heat energy compared to the kcals of potential energy ingested. 
B)  conserve more kcals of heat energy compared to the kcals of potential energy ingested. 
C)  eat more lipids due to their lower kcal/g ratio. 
D)  become a vegetarian and cut protein from his or her diet. 
A)  expend more kcals of heat energy compared to the kcals of potential energy ingested. 
B)  conserve more kcals of heat energy compared to the kcals of potential energy ingested. 
C)  eat more lipids due to their lower kcal/g ratio. 
D)  become a vegetarian and cut protein from his or her diet.

Exam 27: Nutrition and Digestion

Which of the following statements about human digestion is true?

In which of the following animals would you expect to find the longest small intestine relative to its total body size?

Despite a high-calorie diet,some individuals are able to maintain a healthy weight and minimal cardiovascular risk by implementing more ________ into their daily routines.

________ are NOT nutrients,do NOT provide us with energy,and are required only in small quantities;however,they help regulate metabolic processes.

The ________ is the organ that contracts to mix food particles with acid and enzymes,and also holds food until it can pass farther along for continued digestion.

The human liver produces bile,a substance that

As nutrients move across an intestinal villus,capillaries absorb

Whole-grain foods are good components of a diet when trying to reduce cancer risk.

Food passing through our digestive tract would contain the fewest nutrients in the

Which of the following does NOT occur in the colon?

The main reason that proteins are an important part of your diet is that they are a source of ________,the building blocks of the enzymes that run your cells.

The enzyme lactase is found only in populations of people who suffer from lactose intolerance.

Digestive ________,such as pepsin,break specific chemical bonds to help organisms process their food.

Which one of the following food sources would be eaten by carnivores?

Chemical digestion occurs inside of the organ indicated by the arrow in the figure below.

A major concern in public health is the intake of too much ________,thus leading many people to have ________,which can damage ________.

Many ________,small inorganic compounds that are needed in trace amounts,are essential to the proper function of proteins.

The eight essential amino acids required by adult humans

The figure below shows four types of nutrients that are absorbable by animal cells. Which of the above molecules could be absorbed by the digestive tract without further digestion by enzymes?

If a person wishes to lose weight,he or she must

The Nature of Science and the Characteristics of Life

The Chemistry of Life

Cell Structure and Internal Compartments

Cell Membranes, Transport, and Communication

Energy, Metabolism, and Enzymes

Photosynthesis and Cellular Respiration

Cell Division

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Patterns of Inheritance

Chromosomes and Human Genetics

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Animalia

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