Question 1

The gallbladder

Accepted Answer

A) stores bile. 
B) secretes digestive enzymes. 
C) breaks down fats. 
D) absorbs fats. 
A) stores bile. 
B) secretes digestive enzymes. 
C) breaks down fats. 
D) absorbs fats. A

Question 2

The function of the esophagus is to

Accepted Answer

A) break down food physically. 
B) break down food chemically. 
C) carry food to the stomach. 
D) prepare undigested material and waste for disposal. 
A) break down food physically. 
B) break down food chemically. 
C) carry food to the stomach. 
D) prepare undigested material and waste for disposal. C

Question 3

Vegetarians should be careful to consume a variety of plants to ensure that they obtain all of their essential amino acids.

Accepted Answer

A) True 
 B)False  True

Question 4

Organisms need energy to carry out life processes, but they also must use energy simply to gather nutrients. Which of the following statements must be true in order for an organism to live?

Accepted Answer

A) The amount of energy ingested in proteins must equal the amount of energy ingested in carbohydrates. 
B) If the amount of energy used for life processes is low, the organism must ingest extra nutrients in order to produce body heat. 
C) The amount of energy used to gather nutrients must be more than the amount of energy used to carry out life processes. 
D) The amount of energy used for life processes, including nutrient gathering, must be less than the amount of energy captured from the environment. 
A) The amount of energy ingested in proteins must equal the amount of energy ingested in carbohydrates. 
B) If the amount of energy used for life processes is low, the organism must ingest extra nutrients in order to produce body heat. 
C) The amount of energy used to gather nutrients must be more than the amount of energy used to carry out life processes. 
D) The amount of energy used for life processes, including nutrient gathering, must be less than the amount of energy captured from the environment.

Question 5

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

Accepted Answer

A) True 
 B)False

Question 6

Which of the following steps of digestion does not occur in the mouth?

Accepted Answer

A) chemical breakdown by enzymes 
B) mechanical breakdown 
C) ingestion 
D) absorption 
A) chemical breakdown by enzymes 
B) mechanical breakdown 
C) ingestion 
D) absorption

Question 7

When humans who lack a particular enzyme consume products made from cow's milk they suffer digestive problems. The enzyme is

Accepted Answer

A) pepsin. 
B) lactase. 
C) chymotrypsin. 
D) amylase. 
A) pepsin. 
B) lactase. 
C) chymotrypsin. 
D) amylase.

Question 8

Out of the four classes of organic compounds found in organisms, ____________________ are capable of storing the largest amount of energy.

Accepted Answer

The answer of Out of the four classes of organic...

Question 9

The most likely potential problem faced by a person who is following a low-protein diet is the failure to

Accepted Answer

A) take in enough organic compounds to produce the energy necessary for life functions. 
B) take in enough essential amino acids. 
C) take in enough calories to survive. 
D) make the mineral nutrients necessary to live. 
A) take in enough organic compounds to produce the energy necessary for life functions. 
B) take in enough essential amino acids. 
C) take in enough calories to survive. 
D) make the mineral nutrients necessary to live.

Question 10

In reference to living longer,

Accepted Answer

A) many factors are involved including genetics, diet, and exercise. 
B) genetics plays the only role. 
C) men generally live longer than women. 
D) social and cultural situations play no role. 
A) many factors are involved including genetics, diet, and exercise. 
B) genetics plays the only role. 
C) men generally live longer than women. 
D) social and cultural situations play no role.

Question 11

Humans can synthesize some of the amino acids we need. The ones we must obtain from our food are known as ____________________ amino acids.

Accepted Answer

The answer of Humans can synthesize some of the amino...

Question 12

Minerals are

Accepted Answer

A) organic compounds. 
B) required in small amounts. 
C) not harmful to humans when ingested in large amounts. 
D) created by chemical reactions within cells. 
A) organic compounds. 
B) required in small amounts. 
C) not harmful to humans when ingested in large amounts. 
D) created by chemical reactions within cells.

Question 13

Although cows are herbivores that specialize in consuming grass, they do not produce the enzyme needed to break down the long-chain plant carbohydrate ____________________. However, cows do house microorganisms in their guts that can make the enzyme for them.

Accepted Answer

The answer of Although cows are herbivores that specialize in...

Question 14

The main function of enzymes in the human digestive tract is to

Accepted Answer

A) create the chemical bonds that form complex carbohydrates. 
B) ensure that fats remain grouped together in large droplets. 
C) catalyze chemical reactions that break specific chemical bonds in food molecules. 
D) neutralize the acids produced by the stomach. 
A) create the chemical bonds that form complex carbohydrates. 
B) ensure that fats remain grouped together in large droplets. 
C) catalyze chemical reactions that break specific chemical bonds in food molecules. 
D) neutralize the acids produced by the stomach.

Question 15

Which of the following reasons best explains why starch molecules must be broken down before they can be absorbed by the small intestine?

Accepted Answer

A) They are toxic to the cells of the small intestine. 
B) They are too large to pass through the plasma membrane of the intestinal cells. 
C) They must be broken down in order to extract the essential amino acids they contain. 
D) The cells of the small intestine are much too small to contain them. 
A) They are toxic to the cells of the small intestine. 
B) They are too large to pass through the plasma membrane of the intestinal cells. 
C) They must be broken down in order to extract the essential amino acids they contain. 
D) The cells of the small intestine are much too small to contain them.

Question 16

The lower region of the small intestine is structured to create large amounts of surface area so that it can more efficiently

Accepted Answer

A) produce enzymes to break food down into smaller molecules. 
B) grind food down into smaller molecules. 
C) absorb the chemical building blocks produced by digestion. 
D) eliminate waste products. 
A) produce enzymes to break food down into smaller molecules. 
B) grind food down into smaller molecules. 
C) absorb the chemical building blocks produced by digestion. 
D) eliminate waste products.

Question 17

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 18

Omnivores eat

Accepted Answer

A) carnivores. 
B) herbivores. 
C) plants. 
D) all of the above 
A) carnivores. 
B) herbivores. 
C) plants. 
D) all of the above

Question 19

The large surface area of a sheep's small intestine allows the sheep to more efficiently absorb amino acids from the food it consumes.

Accepted Answer

A) True 
 B)False

Question 20

In third world countries, vitamin ____________________ are more common and lead to various diseases and disorders.

Accepted Answer

The answer of In third world countries, vitamin ____________________ are...

Exam 27: Nutrition and Digestion

The gallbladder

The function of the esophagus is to

Vegetarians should be careful to consume a variety of plants to ensure that they obtain all of their essential amino acids.

Organisms need energy to carry out life processes, but they also must use energy simply to gather nutrients. Which of the following statements must be true in order for an organism to live?

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

Which of the following steps of digestion does not occur in the mouth?

When humans who lack a particular enzyme consume products made from cow's milk they suffer digestive problems. The enzyme is

Out of the four classes of organic compounds found in organisms, ____________________ are capable of storing the largest amount of energy.

The most likely potential problem faced by a person who is following a low-protein diet is the failure to

In reference to living longer,

Humans can synthesize some of the amino acids we need. The ones we must obtain from our food are known as ____________________ amino acids.

Minerals are

Although cows are herbivores that specialize in consuming grass, they do not produce the enzyme needed to break down the long-chain plant carbohydrate ____________________. However, cows do house microorganisms in their guts that can make the enzyme for them.

The main function of enzymes in the human digestive tract is to

Which of the following reasons best explains why starch molecules must be broken down before they can be absorbed by the small intestine?

The lower region of the small intestine is structured to create large amounts of surface area so that it can more efficiently

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.

Omnivores eat

The large surface area of a sheep's small intestine allows the sheep to more efficiently absorb amino acids from the food it consumes.

In third world countries, vitamin ____________________ are more common and lead to various diseases and disorders.

The Nature of Science and the Characteristics of Life

Biological Diversity, Bacteria, and Archaea

Protista, Plantae, and Fungi

Animalia

The Chemistry of Life

Cell Structure and Internal Compartments

Cell Membranes, Transport, and Communication

Energy, Metabolism, and Enzymes

Photosynthesis and Cellular Respiration

Cell Division

Stem Cells, Cancer, and Human Health

Patterns of Inheritance

Chromosomes and Human Genetics

Dna and Genes

From Gene to Protein

Dna Technology

How Evolution Works

Evolution of Populations

Speciation and the Origins of Biological Diversity

The Evolutionary History of Life

The Biosphere

Growth of Populations

Ecological Communities

Ecosystems

Global Change

Internal Organization and Homeostasis

Circulation and Gas Exchange

Animal Hormones

Nervous and Sensory Systems

Skeletons, Muscles, and Movement

Defenses Against Disease

Reproduction and Development

Animal Behavior

Plant Structure, Nutrition, and Transport

Plant Growth and Reproduction

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