Question 1

Birds store food in a modified portion of the lower esophagus called the

Accepted Answer

A)  crop.
B)  epiglottis.
C)  gizzard.
D)  alimentary canal.
E)  pharynx.F) C) and E)
G) A) and B)

Question 2

Contrary to popular belief,stress is not usually the primary cause of ulcers,and many patients with ulcers do not over-produce acid.What Nobel prize-winning discovery demonstrated a previously unknown cause of ulcers?

Accepted Answer

A)  greater acid concentrations in the stomach,lower esophagus,and duodenum
B)  the eroding effect of certain spicy foods on the lining of the esophagus
C)  the existence of a bacterial infection in the stomachs of most patients with ulcers
D)  genetically predetermined weakness in the walls of the intestinal tractE) A) and B)
F) None of the above

Question 3

When comparing two stomach samples in the lab,you can distinguish the sample taken from a cow from the human sample by the presence of

Accepted Answer

A)  cellulase.
B)  pepsin.
C)  collagenase.
D)  carboxypeptidase.
E)  acetylcholinesterasE.F) A) and B)
G) A) and C)

Question 4

What is peristalsis?

Accepted Answer

A)  a process of fat emulsification in the small intestine
B)  voluntary control of the rectal sphincters regulating defecation
C)  the transport of nutrients to the liver through the hepatic portal vein
D)  loss of appetite,fatigue,dehydration,and nervous disorders
E)  smooth muscle contractions that move food through the alimentary canalF) B) and D)
G) A) and E)

Question 5

Match between columns
                        Premises: Fats
Carbohydrates
Proteins

Accepted Answer

The Answer of Hair loss, dry skin. and Muscle weakness, is...

Question 6

Triglycerides do not need to be chemically altered or broken down to cross the intestinal epithelium.

Accepted Answer

A) True 
 B)False

Question 7

Identify a monosaccharide that is absorbed from the digestive tract.

Accepted Answer

A)  glycogen
B)  starch
C)  cellulose
D)  glucose
E)  lipoproteinF) None of the above
G) C) and D) D

Question 8

Triglycerides are stored primarily in this type of tissue.

Accepted Answer

A)  nervous
B)  epithelial
C)  muscular
D)  adipose
E)  cardiacF) B) and E)
G) None of the above

Question 9

Animals have the ability to generate glucose from proteins during prolonged postabsorptive states.

Accepted Answer

A) True 
 B)False

Question 10

Cows are able to survive on a diet consisting almost entirely of cellulose because

Accepted Answer

A)  cows are autotrophic.
B)  cows can manufacture all 20 amino acids out of sugars in the liver.
C)  unlike humans,the saliva the cow produces has enzymes capable of digesting cellulose.
D)  cows have cellulose-digesting,symbiotic microorganisms in their rumens.E) A) and B)
F) A) and C)

Question 11

What would counteract a cause of heartburn?

Accepted Answer

A)  A base
B)  An acid
C)  A saltD) All of the above
E) B) and C)

Question 12

In the stomach,food processing continues and secretions from stomach glands aid the initial digestion of

Accepted Answer

A)  carbohydrates.
B)  lipids.
C)  nucleic acids.
D)  proteins.
E)  vitamins.F) A) and E)
G) A) and B)

Question 13

Predict which organism would be in the best position to be able to undergo gluconeogenesis.

Accepted Answer

A)  an organism with an elevated glucose level
B)  an organism with an low insulin level
C)  an organism with an elevated triglyceride level
D)  an organism with an elevated leptin levelE) A) and B)
F) B) and D)

Question 14

Salivary glands secrete _________ to start the digestion of _________.

Accepted Answer

A)  amylase;polysaccharides
B)  trypsin;proteins
C)  amylase;fats
D)  pepsin;proteins
E)  lactase;milkF) A) and E)
G) None of the above

Question 15

The only chyme molecule that is absorbed in significant amounts by the stomach is water.

Accepted Answer

A) True 
 B)False  True

Question 16

Which hormone increases the absorption of glucose by the body's cells?

Accepted Answer

A)  insulin
B)  glucagon
C)  adrenocorticotropin
D)  leptin
E)  adrenalineF) C) and D)
G) B) and C)

Question 17

Surgical removal of the pancreas would

Accepted Answer

A)  increase the acidity of the small intestine.
B)  prevent the production of chyme in the stomach.
C)  eliminate the ability to store bile in the gallbladder.
D)  block the secretion of bile.
E)  All of these changes would be a result of pancreas removal.F) A) and B)
G) B) and D)

Question 18

How does the digestion and absorption of fat differ from that of carbohydrates?

Accepted Answer

A)  Processing of fat does not require any digestive enzymes,whereas the processing of carbohydrates does.
B)  Fat absorption occurs in the stomach,whereas carbohydrates are absorbed from the small intestine.
C)  Carbohydrates need to be emulsified before they can be digested,whereas fats do not.
D)  Most absorbed fat enters the lymphatic system,whereas carbohydrates directly enter the blooD.
E)  Fat must be partially digested by bacteria in the large intestine before it can be absorbed,which is not the case for carbohydrates.F) All of the above
G) A) and E)

Question 19

Which type of nutrient can pass across epithelial cells without any expenditure of ATP?

Accepted Answer

A)  iron
B)  calcium
C)  protein
D)  fat
E)  magnesiumF) A) and D)
G) A) and C)

Question 20

The large intestine concentrates undigested material by

Accepted Answer

A)  ingestion of excess salts and water by intestinal bacteriA.
B)  transporting excess salts and water back to the small intestine for absorption.
C)  storing excess salts and water in the cecum.
D)  absorption of salts and water across the epithelial surface of the lumen.E) B) and C)
F) A) and B) D

Exam 35: Digestive Systems and Nutrition

Birds store food in a modified portion of the lower esophagus called the

Correct Answer
verified

Contrary to popular belief,stress is not usually the primary cause of ulcers,and many patients with ulcers do not over-produce acid.What Nobel prize-winning discovery demonstrated a previously unknown cause of ulcers?

Correct Answer
verified

When comparing two stomach samples in the lab,you can distinguish the sample taken from a cow from the human sample by the presence of

Correct Answer
verified

What is peristalsis?

Correct Answer
verified

Match the essential nutrient category with the probable effects a deficiency might cause.

Triglycerides do not need to be chemically altered or broken down to cross the intestinal epithelium.

Correct Answer
verified

Identify a monosaccharide that is absorbed from the digestive tract.

Correct Answer
verified
D

Triglycerides are stored primarily in this type of tissue.

Correct Answer
verified

Animals have the ability to generate glucose from proteins during prolonged postabsorptive states.

Correct Answer
verified

Cows are able to survive on a diet consisting almost entirely of cellulose because

Correct Answer
verified

What would counteract a cause of heartburn?

Correct Answer
verified

In the stomach,food processing continues and secretions from stomach glands aid the initial digestion of

Correct Answer
verified

Predict which organism would be in the best position to be able to undergo gluconeogenesis.

Correct Answer
verified

Salivary glands secrete _ to start the digestion of _.

Correct Answer
verified

The only chyme molecule that is absorbed in significant amounts by the stomach is water.

Correct Answer
verified
True

Which hormone increases the absorption of glucose by the body's cells?

Correct Answer
verified

Surgical removal of the pancreas would

Correct Answer
verified

How does the digestion and absorption of fat differ from that of carbohydrates?

Correct Answer
verified

Which type of nutrient can pass across epithelial cells without any expenditure of ATP?

Correct Answer
verified

The large intestine concentrates undigested material by

Correct Answer
verified
D

Exam 35: Digestive Systems and Nutrition

Birds store food in a modified portion of the lower esophagus called the

Correct AnswerverifiedShow Answer

Contrary to popular belief,stress is not usually the primary cause of ulcers,and many patients with ulcers do not over-produce acid.What Nobel prize-winning discovery demonstrated a previously unknown cause of ulcers?

Correct AnswerverifiedShow Answer

When comparing two stomach samples in the lab,you can distinguish the sample taken from a cow from the human sample by the presence of

Correct AnswerverifiedShow Answer

What is peristalsis?

Correct AnswerverifiedShow Answer

Match the essential nutrient category with the probable effects a deficiency might cause.

Triglycerides do not need to be chemically altered or broken down to cross the intestinal epithelium.

Correct AnswerverifiedShow Answer

Identify a monosaccharide that is absorbed from the digestive tract.

Correct AnswerverifiedD

Triglycerides are stored primarily in this type of tissue.

Correct AnswerverifiedShow Answer

Animals have the ability to generate glucose from proteins during prolonged postabsorptive states.

Correct AnswerverifiedShow Answer

Cows are able to survive on a diet consisting almost entirely of cellulose because

Correct AnswerverifiedShow Answer

What would counteract a cause of heartburn?

Correct AnswerverifiedShow Answer

In the stomach,food processing continues and secretions from stomach glands aid the initial digestion of

Correct AnswerverifiedShow Answer

Predict which organism would be in the best position to be able to undergo gluconeogenesis.

Correct AnswerverifiedShow Answer

Salivary glands secrete _________ to start the digestion of _________.

Correct AnswerverifiedShow Answer

The only chyme molecule that is absorbed in significant amounts by the stomach is water.

Correct AnswerverifiedTrue

Which hormone increases the absorption of glucose by the body's cells?

Correct AnswerverifiedShow Answer

Surgical removal of the pancreas would

Correct AnswerverifiedShow Answer

How does the digestion and absorption of fat differ from that of carbohydrates?

Correct AnswerverifiedShow Answer

Which type of nutrient can pass across epithelial cells without any expenditure of ATP?

Correct AnswerverifiedShow Answer

The large intestine concentrates undigested material by

Correct AnswerverifiedD

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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
verified
D

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Salivary glands secrete _ to start the digestion of _.

Correct Answer
verified

Correct Answer
verified
True

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
verified
D