Question 1

A nutrient is a substance that an organism uses for:

Accepted Answer

A)  Growth
B)  Metabolism
C)  Maintenance
D)  Repair of tissues
E)  All are correctF) B) and C)
G) A) and E)

Question 2

Each epithelial cell on the villi of the small intestine contains 500 microvilli.What is the purpose of these microvilli?

Accepted Answer

A)  To increase surface area for food absorption
B)  To beat and move food through the intestines
C)  To contract and move food through the intestines
D)  To release mucus that protects the intestines from infection
E)  To release digestive enzymesF) B) and D)
G) D) and E)

Question 3

Animals that eat only plants are:

Accepted Answer

A)  Omnivores
B)  Herbivores
C)  Carnivores
D)  Detritivores
E)  InsectivoresF) B) and C)
G) B) and E)

Question 4

The three main regions of the human small intestine proceeding in sequence from the stomach to the large intestine are:

Accepted Answer

A)  Duodenum, ileum, and jejunum
B)  Ileum, duodenum, and jejunum
C)  Ileum, jejunum, and duodenum
D)  Jejunum, ileum, and duodenum
E)  Duodenum, jejunum, and ileumF) B) and C)
G) A) and D)

Question 5

Unlike humans,cows emit up to 200 L of methane (CH4) through belching each day.Which of the following explains this difference?

Accepted Answer

A)  Cows have a stomach
B)  Cows have an intestine
C)  Cows don't have a pyloric sphincter
D)  Cows don't have an esophagus
E)  Cows have a rumenF) B) and E)
G) A) and E)

Question 6

The only animals that rely solely on intracellular digestion are:

Accepted Answer

A)  Earthworms
B)  Sponges
C)  Clams
D)  Starfish
E)  JellyfishF) C) and D)
G) A) and B)

Question 7

Animals that live in their food and eat it from the inside are termed:

Accepted Answer

A)  Substrate feeders
B)  Suspension feeders
C)  Deposit feeders
D)  Fluid feeders
E)  Bulk feedersF) None of the above
G) A) and B)

Question 8

When people with celiac disease eat foods or use products containing gluten,their immune system responds by damaging or destroying villi.Which of the following symptoms would a person with celiac disease have?

Accepted Answer

A)  Decreased peristalsis
B)  Increased pH in their intestines
C)  Increased digestive enzymes in their intestines
D)  Decreased absorption of nutrients
E)  Decreased bile in their intestinesF) A) and C)
G) A) and D)

Question 9

The giant panda has a very restricted habitat because of the giant panda's diet of essentially only bamboo.

Accepted Answer

A) True 
 B)False

Question 10

Animals that drink their food are termed:

Accepted Answer

A)  Bulk feeders
B)  Substrate feeders
C)  Suspension feeders
D)  Deposit feeders
E)  Fluid feedersF) All of the above
G) C) and D)

Question 11

Cows emit up to 200 L of methane (CH4) through belching each day.The methane is produced by bacteria in their gut breaking down cellulose.The fact that cows belch methane and not carbon dioxide (CO2) suggests which of the following is occurring?

Accepted Answer

A)  Aerobic fermentation
B)  Anaerobic respiration
C)  Anaerobic fermentation
D)  Aerobic respirationE) B) and D)
F) A) and C)

Question 12

The main site of water and mineral absorption in the human digestive system is the:

Accepted Answer

A)  Stomach
B)  Esophagus
C)  Small intestine
D)  Large intestine
E)  RectumF) None of the above
G) A) and D)

Question 13

The solid waste that leaves the digestive tract of a vertebrate is called chyme.

Accepted Answer

A) True 
 B)False

Question 14

The enzyme that breaks down protein is:

Accepted Answer

A)  Lipase
B)  Lactase
C)  Pepsin
D)  Amylase
E)  BileF) A) and E)
G) A) and D)

Question 15

In herbivores,cellulose is primarily broken down:

Accepted Answer

A)  By powerful digestive enzymes produced by the herbivores stomach glands
B)  By powerful digestive enzymes produced by the herbivores salivary glands
C)  By helminthes living within the herbivore
D)  By bacteria living within the herbivore gastrointestinal tract
E)  By powerful digestive enzymes produced by the herbivores intestinal glandsF) C) and E)
G) None of the above

Question 16

In animals the pouch that forms the entrance to the large intestine is the:

Accepted Answer

A)  Gastrovascular cavity
B)  Rumen
C)  Cecum
D)  Anus
E)  AppendixF) C) and D)
G) A) and B)

Question 17

Animals that strain their food from particles in water are termed:

Accepted Answer

A)  Substrate feeders
B)  Deposit feeders
C)  Suspension feeders
D)  Fluid feeders
E)  Bulk feedersF) All of the above
G) A) and B)

Question 18

A spider has both a mouth and anus,so it must have which of the following?

Accepted Answer

A)  A gastrovascular cavity
B)  An alimentary canal
C)  A cecum
D)  A rumen
E)  A digestive cavityF) A) and B)
G) A) and C)

Question 19

Animals that hunt and eat essentially only other animals are:

Accepted Answer

A)  Omnivores
B)  Carnivores
C)  Herbivores
D)  Detritivores
E)  FolivoresF) A) and E)
G) None of the above

Question 20

Beano is a product containing an enzyme that breaks down complex carbohydrates in beans and other vegetables,thereby reducing gas production when these foods are eaten.Why would humans need to take Beano to avoid gas?

Accepted Answer

A)  If they don't break down the complex carbohydrates, bacteria in their colon will
B)  If they don't break down the complex carbohydrates, bacteria in their small intestine will
C)  Complex carbohydrates react with acid in the stomach to produce gas
D)  Complex carbohydrates react with saliva in the mouth to produce gas
E)  Complex carbohydrates cannot be broken down and cause constipationF) C) and D)
G) A) and B)

Exam 31: Digestion and Animal Nutrition

A spider has both a mouth and anus,so it must have which of the following?

Correct AnswerverifiedShow Answer

Animals that strain their food from particles in water are termed:

Correct AnswerverifiedShow Answer

In herbivores,cellulose is primarily broken down:

Correct AnswerverifiedShow Answer

The giant panda has a very restricted habitat because of the giant panda's diet of essentially only bamboo.

Correct AnswerverifiedShow Answer

A nutrient is a substance that an organism uses for:

Correct AnswerverifiedShow Answer

The only animals that rely solely on intracellular digestion are:

Correct AnswerverifiedShow Answer

Animals that eat only plants are:

Correct AnswerverifiedShow Answer

The three main regions of the human small intestine proceeding in sequence from the stomach to the large intestine are:

Correct AnswerverifiedShow Answer

Beano is a product containing an enzyme that breaks down complex carbohydrates in beans and other vegetables,thereby reducing gas production when these foods are eaten.Why would humans need to take Beano to avoid gas?

Correct AnswerverifiedShow Answer

Unlike humans,cows emit up to 200 L of methane (CH4) through belching each day.Which of the following explains this difference?

Correct AnswerverifiedShow Answer

In animals the pouch that forms the entrance to the large intestine is the:

Correct AnswerverifiedShow Answer

The enzyme that breaks down protein is:

Correct AnswerverifiedShow Answer

Animals that hunt and eat essentially only other animals are:

Correct AnswerverifiedShow Answer

Animals that live in their food and eat it from the inside are termed:

Correct AnswerverifiedShow Answer

The solid waste that leaves the digestive tract of a vertebrate is called chyme.

Correct AnswerverifiedShow Answer

Cows emit up to 200 L of methane (CH4) through belching each day.The methane is produced by bacteria in their gut breaking down cellulose.The fact that cows belch methane and not carbon dioxide (CO2) suggests which of the following is occurring?

Correct AnswerverifiedShow Answer

Each epithelial cell on the villi of the small intestine contains 500 microvilli.What is the purpose of these microvilli?

Correct AnswerverifiedShow Answer

When people with celiac disease eat foods or use products containing gluten,their immune system responds by damaging or destroying villi.Which of the following symptoms would a person with celiac disease have?

Correct AnswerverifiedShow Answer

Animals that drink their food are termed:

Correct AnswerverifiedShow Answer

The main site of water and mineral absorption in the human digestive system is the:

Correct AnswerverifiedShow Answer

Correct Answer
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Unlike humans,cows emit up to 200 L of methane (CH₄) through belching each day.Which of the following explains this difference?

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Cows emit up to 200 L of methane (CH₄) through belching each day.The methane is produced by bacteria in their gut breaking down cellulose.The fact that cows belch methane and not carbon dioxide (CO₂) suggests which of the following is occurring?

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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