Question 1

Acid reflux would occur under which of the following conditions?

Accepted Answer

A)  Stomach contents leak into the duodenum
B)  Contents of the esophagus leak into the duodenum
C)  Contents of the esophagus leak into the stomach
D)  Stomach contents leak into the esophagus
E)  Contents of the duodenum leak into the stomachF) C) and D)
G) None of the above

Question 2

Acid reflux or "heartburn" is caused when the gastric juice moves back into the esophagus through the pyloric sphincter.

Accepted Answer

A) True 
 B)False

Question 3

Antacids would be effective in which part of the digestive system?

Accepted Answer

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

Question 4

figure 31.21 
-In figure 31.21,what is the dependent variable?

Accepted Answer

A)  Copulation duration of the second male
B)  If cannibalization occurred
C)  If the males were sterile
D)  Proportion of eggs fertilized by a second male
E)  If the female ate the maleF) C) and D)
G) A) and D)

Question 5

The energy needed to raise one kilogram of water from 14.5 degrees centigrade to 15.5 degrees centigrade under controlled conditions is:

Accepted Answer

A)  One kilocalorie
B)  One calorie
C)  One joule
D)  One erg
E)  One gramF) A) and E)
G) None of the above

Question 6

A person suffering from lactose intolerance cannot break down the disaccharide lactose.Where would lactose be found in a person with lactose intolerance,but not in a lactose tolerant person?

Accepted Answer

A)  In the mouth
B)  In the stomach
C)  In the large intestine
D)  In the small intestineE) None of the above
F) B) and D)

Question 7

Animals that strain partially decayed organic matter from soil are termed:

Accepted Answer

A)  Substrate feeders
B)  Suspension feeders
C)  Fluid feeders
D)  Deposit feeders
E)  Bulk feedersF) B) and E)
G) A) and B)

Question 8

In sequence of their occurrence,the four major steps that vertebrate organisms use to obtain and use food are:

Accepted Answer

A)  Ingestion, digestion, absorption, and elimination
B)  Ingestion, absorption, digestion, and elimination
C)  Absorption, ingestion, digestion, and elimination
D)  Absorption, digestion, ingestion, and elimination
E)  Digestion, absorption, ingestion, and eliminationF) B) and C)
G) C) and E)

Question 9

In herbivores the cecum is small because the food they ingest is easily digested.

Accepted Answer

A) True 
 B)False

Question 10

Botulism is caused by an infection with Clostridium botulinum.The bacteria release botulism toxin which prevents the release of acetylcholine at neuromuscular junctions.Which of the following would be inhibited in the gut of a person with botulism?

Accepted Answer

A)  Blood circulation
B)  Lymphatic circulation
C)  Absorption of food
D)  Peristalsis
E)  Absorption of waterF) A) and B)
G) C) and D)

Question 11

Animals that consume decaying organic matter as their main source of food are:

Accepted Answer

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

Question 12

Smelling food causes a hungry person to salivate.Which of the following begins to be digested in saliva?

Accepted Answer

A)  Proteins
B)  Fats
C)  Carbohydrates
D)  Nucleic acidsE) B) and C)
F) A) and D)

Question 13

The enzyme that begins the breakdown of starch is lipase.

Accepted Answer

A) True 
 B)False

Question 14

Tiny finger-like projections along the small intestine that are used to absorb nutrients are:

Accepted Answer

A)  Cilia
B)  Flagella
C)  Villi
D)  Pacinian corpuscles
E)  TentaclesF) B) and C)
G) C) and D)

Question 15

Soap is made by oxidizing fats.Bile acids are produced in the body by oxidizing cholesterol.Which of the following is a role of bile acids?

Accepted Answer

A)  Oxidation of fats
B)  Enzymatic digestion of proteins
C)  Emulsifying fats
D)  Neutralizing bases in the intestines
E)  Producing acid for the stomachF) A) and B)
G) A) and C)

Question 16

Most multivitamins should be taken with a meal for which reason?

Accepted Answer

A)  To provide the energy needed to use the vitamins
B)  To help with the absorption of water soluble vitamins
C)  To help with the absorption of fat soluble vitamins
D)  To provide food for the vitamins to break down
E)  To provide the energy needed to synthesize more vitaminsF) A) and C)
G) A) and B)

Question 17

The function of bile is to:

Accepted Answer

A)  Digest proteins
B)  Digest carbohydrates
C)  Emulsify fats
D)  Digest nucleotides
E)  Emulsify proteinsF) None of the above
G) C) and D)

Question 18

A person suffering from lactose intolerance cannot break down the disaccharide lactose.Why would a person with lactose intolerance have abdominal cramps?

Accepted Answer

A)  The intestines get more energy from the lactose and grow in size, increasing abdominal pressure
B)  The lactose is acidic, causing a peptic ulcer
C)  Lactose is taken up into the blood stream increasing blood flow and abdominal pressure
D)  More water enters the stomach, increasing in abdominal pressure
E)  Bacteria break down the lactose releasing carbon dioxide gasF) D) and E)
G) B) and D)

Question 19

Botulism is caused by an infection with Clostridium botulinum.The bacteria release botulism toxin which prevents the release of acetylcholine at neuromuscular junctions.What advantage would the bacteria gain by secreting the toxin?

Accepted Answer

A)  Avoid the immune system
B)  Prevent the body from excreting the bacteria
C)  Decrease removal of food from the gut
D)  Increase respiration
E)  Prevent other bacteria from growing in the gutF) C) and D)
G) B) and E)

Question 20

If a person eats large quantities of food and then intentionally vomits,constantly going through what are called binge and purge patterns,they most likely suffer from the eating disorder known as:

Accepted Answer

A)  Anorexia nervosa
B)  Morbid obesity
C)  Copious intake
D)  Hypoglycemia
E)  BulimiaF) A) and D)
G) A) and C)

Exam 31: Digestion and Animal Nutrition

The energy needed to raise one kilogram of water from 14.5 degrees centigrade to 15.5 degrees centigrade under controlled conditions is:

Correct AnswerverifiedShow Answer

The enzyme that begins the breakdown of starch is lipase.

Correct AnswerverifiedShow Answer

Antacids would be effective in which part of the digestive system?

Correct AnswerverifiedShow Answer

If a person eats large quantities of food and then intentionally vomits,constantly going through what are called binge and purge patterns,they most likely suffer from the eating disorder known as:

Correct AnswerverifiedShow Answer

Most multivitamins should be taken with a meal for which reason?

Correct AnswerverifiedShow Answer

Animals that strain partially decayed organic matter from soil are termed:

Correct AnswerverifiedShow Answer

Acid reflux would occur under which of the following conditions?

Correct AnswerverifiedShow Answer

In herbivores the cecum is small because the food they ingest is easily digested.

Correct AnswerverifiedShow Answer

The function of bile is to:

Correct AnswerverifiedShow Answer

A person suffering from lactose intolerance cannot break down the disaccharide lactose.Why would a person with lactose intolerance have abdominal cramps?

Correct AnswerverifiedShow Answer

Soap is made by oxidizing fats.Bile acids are produced in the body by oxidizing cholesterol.Which of the following is a role of bile acids?

Correct AnswerverifiedShow Answer

Acid reflux or "heartburn" is caused when the gastric juice moves back into the esophagus through the pyloric sphincter.

Correct AnswerverifiedShow Answer

Tiny finger-like projections along the small intestine that are used to absorb nutrients are:

Correct AnswerverifiedShow Answer

figure 31.21 -In figure 31.21,what is the dependent variable?

Correct AnswerverifiedShow Answer

Animals that consume decaying organic matter as their main source of food are:

Correct AnswerverifiedShow Answer

A person suffering from lactose intolerance cannot break down the disaccharide lactose.Where would lactose be found in a person with lactose intolerance,but not in a lactose tolerant person?

Correct AnswerverifiedShow Answer

Botulism is caused by an infection with Clostridium botulinum.The bacteria release botulism toxin which prevents the release of acetylcholine at neuromuscular junctions.What advantage would the bacteria gain by secreting the toxin?

Correct AnswerverifiedShow Answer

In sequence of their occurrence,the four major steps that vertebrate organisms use to obtain and use food are:

Correct AnswerverifiedShow Answer

Smelling food causes a hungry person to salivate.Which of the following begins to be digested in saliva?

Correct AnswerverifiedShow Answer

Botulism is caused by an infection with Clostridium botulinum.The bacteria release botulism toxin which prevents the release of acetylcholine at neuromuscular junctions.Which of the following would be inhibited in the gut of a person with botulism?

Correct AnswerverifiedShow Answer

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