Question 1

Animals that eat a broad variety of foods,including plants and animals are:

Accepted Answer

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

Question 2

Which of the following is caused by a vitamin B1 (Thiamine) deficiency?

Accepted Answer

A)  Scurvy
B)  Rickets
C)  Pellagra
D)  Beriberi
E)  Pernicious anemiaF) A) and C)
G) A) and B)

Question 3

Elaborate courtship rituals are an example of which of the following?

Accepted Answer

A)  Sexual selection
B)  Artificial selection
C)  Directional selection
D)  Post-zygotic selection
E)  Stabilizing selectionF) A) and C)
G) All of the above

Question 4

What was the benefit to a male Australian redback spider that explains why it lets itself be cannibalized by its mate?

Accepted Answer

A)  It did not become sterile
B)  It provided nutrients for its young
C)  There was no benefit to the male because it was now dead
D)  It allowed the male to mate with more than one female
E)  It fertilized more eggsF) D) and E)
G) B) and E)

Question 5

The process by which a cell engulfs particulate matter is phagocytosis.

Accepted Answer

A) True 
 B)False

Question 6

Morbid obesity is defined as having a BMI (body mass index) of at least:

Accepted Answer

A)  Ten to fifteen
B)  Forty
C)  Twenty
D)  Twenty-five
E)  ThirtyF) C) and D)
G) A) and C)

Question 7

The enzyme that breaks down the main sugar found in milk is:

Accepted Answer

A)  Lipase
B)  Amylase
C)  Lactase
D)  Pepsin
E)  BileF) All of the above
G) A) and E)

Question 8

Which of the following is not considered to be a primary organ in the human digestive system?

Accepted Answer

A)  Esophagus
B)  Mouth
C)  Liver
D)  Stomach
E)  Small intestineF) A) and D)
G) A) and B)

Question 9

The muscular tube leading from the pharynx to the stomach is the:

Accepted Answer

A)  Larynx
B)  Trachea
C)  Esophagus
D)  Glottis
E)  BronchusF) D) and E)
G) C) and D)

Question 10

The semisolid mass of food and gastric juice in the human stomach is termed:

Accepted Answer

A)  Feces
B)  Chyme
C)  Glottis
D)  Cud
E)  MashF) All of the above
G) A) and E)

Question 11

The lining of both the stomach and small intestines is protected from digestive enzymes by a mucus secretion.

Accepted Answer

A) True 
 B)False

Question 12

In Western countries up to 10% of the population develops gastric ulcers,many due to Helicobacter pylori.One adaptation this bacteria has is to secrete urease which produces the base ammonia from urea.How would this contribute to Helicobacter pylori causing ulcers?

Accepted Answer

A)  Ammonia could be used as a food source for bacteria
B)  Ammonia would cause the ulcers
C)  Ammonia would prevent the immune system from killing the bacteria
D)  Ammonia would neutralize stomach acids allowing bacteria to grow
E)  Ammonia would kill the bacteriaF) A) and C)
G) A) and B)

Question 13

The human small intestine is shorter than the large intestine.

Accepted Answer

A) True 
 B)False

Question 14

Sexual cannibalism in Australian redback spiders supports which definition of natural selection best?

Accepted Answer

A)  Survival of the fittest
B)  Evolution of the fittest
C)  Reproduction of the fittest
D)  Consumption of the fittest
E)  Digestion of the fittestF) A) and B)
G) A) and D)

Question 15

A person who is lactose intolerant may be able to eat dairy products such as yogurt because those products have already been fermented.

Accepted Answer

A) True 
 B)False

Question 16

The disease scurvy is primarily caused by a lack of ascorbic acid in the diet.

Accepted Answer

A) True 
 B)False

Question 17

Which argument was made to conclude that by eating their mates Australian redback spiders were providing extra nutrients for their offspring?

Accepted Answer

A)  The female spider is much larger than the male
B)  Spiders that ate their mate did not produce more eggs
C)  Female spiders mistook the males as prey
D)  The female spider is much larger than the male and eating her mate did not increase the mass of eggs produced
E)  Female spiders mistook the males as prey and eating her mate did not increase the mass of eggs producedF) C) and D)
G) A) and C)

Question 18

Crohn's disease can affect any area of the GI tract,from the mouth to the anus,but it most commonly affects the lower part of the small intestine called the ____.

Accepted Answer

A)  Jejunum
B)  Duodenum
C)  Ileum
D)  Cecum
E)  ColonF) C) and D)
G) A) and B)

Question 19

The cecum is the largest in:

Accepted Answer

A)  Protozoans
B)  Omnivores
C)  Carnivores
D)  Herbivores
E)  DetritivoresF) C) and D)
G) None of the above

Question 20

Which of the following is caused by a vitamin C deficiency?

Accepted Answer

A)  Rickets
B)  Beriberi
C)  Scurvy
D)  Pellagra
E)  Pernicious anemiaF) A) and B)
G) A) and C)

Exam 31: Digestion and Animal Nutrition

Crohn's disease can affect any area of the GI tract,from the mouth to the anus,but it most commonly affects the lower part of the small intestine called the ____.

Correct AnswerverifiedShow Answer

The semisolid mass of food and gastric juice in the human stomach is termed:

Correct AnswerverifiedShow Answer

The human small intestine is shorter than the large intestine.

Correct AnswerverifiedShow Answer

A person who is lactose intolerant may be able to eat dairy products such as yogurt because those products have already been fermented.

Correct AnswerverifiedShow Answer

What was the benefit to a male Australian redback spider that explains why it lets itself be cannibalized by its mate?

Correct AnswerverifiedShow Answer

Which argument was made to conclude that by eating their mates Australian redback spiders were providing extra nutrients for their offspring?

Correct AnswerverifiedShow Answer

Elaborate courtship rituals are an example of which of the following?

Correct AnswerverifiedShow Answer

The lining of both the stomach and small intestines is protected from digestive enzymes by a mucus secretion.

Correct AnswerverifiedShow Answer

The process by which a cell engulfs particulate matter is phagocytosis.

Correct AnswerverifiedShow Answer

Morbid obesity is defined as having a BMI (body mass index) of at least:

Correct AnswerverifiedShow Answer

Sexual cannibalism in Australian redback spiders supports which definition of natural selection best?

Correct AnswerverifiedShow Answer

The enzyme that breaks down the main sugar found in milk is:

Correct AnswerverifiedShow Answer

Which of the following is caused by a vitamin B1 (Thiamine) deficiency?

Correct AnswerverifiedShow Answer

The disease scurvy is primarily caused by a lack of ascorbic acid in the diet.

Correct AnswerverifiedShow Answer

The muscular tube leading from the pharynx to the stomach is the:

Correct AnswerverifiedShow Answer

In Western countries up to 10% of the population develops gastric ulcers,many due to Helicobacter pylori.One adaptation this bacteria has is to secrete urease which produces the base ammonia from urea.How would this contribute to Helicobacter pylori causing ulcers?

Correct AnswerverifiedShow Answer

Which of the following is caused by a vitamin C deficiency?

Correct AnswerverifiedShow Answer

The cecum is the largest in:

Correct AnswerverifiedShow Answer

Which of the following is not considered to be a primary organ in the human digestive system?

Correct AnswerverifiedShow Answer

Animals that eat a broad variety of foods,including plants and animals are:

Correct AnswerverifiedShow Answer

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