Question 1

What happens in the chemical process of hydrolysis?

Accepted Answer

Hydrolysis is a chemical process in whic...

Question 2

Match each of the digestive juices and enzymes with its corresponding description.
-major enzyme in stomach associated with protein breakdown

Accepted Answer

A)  Amylase
B)  Bile
C)  Lactase
D)  Maltase
E)  PepsinF) PeptidaseG) SucraseH) TrypsinI) LipaseJ) E) and G)
K) B) and H)

Question 3

Match each primary mechanism of the digestive system with its corresponding definition.
-a group of processes that breaks complex nutrients into simpler ones,thus facilitating their absorption (includes both mechanical and chemical processes)

Accepted Answer

A)  Motility
B)  Ingestion
C)  Elimination
D)  Secretion
E)  DigestionF) AbsorptionG) B) and D)
H) B) and C)

Question 4

The sodium cotransport or coupled transport acts to transport sodium ions and glucose molecules _____ the GI lumen.

Accepted Answer

A)   passively out of
B)   passively into
C)   actively out of
D)   actively intoE) B) and C)
F) A) and B)

Question 5

The disaccharide sucrose is made up of which two saccharide units?

Accepted Answer

A)   Glucose and glucose
B)   Glucose and fructose
C)   Glucose and galactose
D)   None of the aboveE) A) and B)
F) None of the above

Question 6

Some drugs cannot be taken orally even if they are well absorbed by the small intestine because they are completely broken down by the liver.Explain why these drugs would never reach the general circulation.

Accepted Answer

These drugs would never reach the genera...

Question 7

Explain the process of protein digestion.

Accepted Answer

Protein digestion is the process by whic...

Question 8

The hormone that stimulates the release of bicarbonate substance from the pancreas is:

Accepted Answer

A)   enterogastrone.
B)   secretin.
C)   gastrin.
D)   cholecystokinin-pancreozymin.E) C) and D)
F) All of the above

Question 9

Match each primary mechanism of the digestive system with its corresponding definition.
-process of taking food into the mouth,starting it on its journey through the digestive tract

Accepted Answer

A)  Motility
B)  Ingestion
C)  Elimination
D)  Secretion
E)  DigestionF) AbsorptionG) B) and C)
H) D) and F)

Question 10

Explain why salivary amylase is able to digest such a small amount of carbohydrate.

Accepted Answer

Salivary amylase is able to digest a sma...

Question 11

The parietal cells of the stomach do not produce which of the following?

Accepted Answer

A)   Pepsinogen
B)   Hydrochloric acid
C)   Intrinsic factor
D)   The parietal cell of the stomach produces all of the above.E) A) and B)
F) A) and C)

Question 12

Most enzymes catalyze a chemical reaction in both directions.Explain what this means.

Accepted Answer

Enzymes are biological catalysts that sp...

Question 13

Which of these is not an example of mechanical digestion?

Accepted Answer

A)   Moistening the food
B)   Changing food from large to small particles
C)   Propelling food through the digestive tract
D)   All of the above are examples of mechanical digestion.E) B) and C)
F) None of the above

Question 14

The purpose of peristalsis is to:

Accepted Answer

A)   break apart chunks of food and mix it in digestive juices.
B)   propel food forward along the GI tract.
C)   absorb food.
D)   enable swallowing.E) None of the above
F) All of the above

Question 15

Match each of the digestive juices and enzymes with its corresponding description.
-pancreatic enzyme that works on proteins

Accepted Answer

A)  Amylase
B)  Bile
C)  Lactase
D)  Maltase
E)  PepsinF) PeptidaseG) SucraseH) TrypsinI) LipaseJ) G) and H)
K) B) and I)

Question 16

After the absorption of a large meal,high levels of chylomicrons would be found in the:

Accepted Answer

A)   lacteals of the villi.
B)   blood in the inferior vena cava.
C)   blood in the hepatic portal system.
D)   Both A and C are correct.E) B) and C)
F) A) and B)

Question 17

Which of the following is not true of enzymes?

Accepted Answer

A)   They accelerate chemical reactions.
B)   They change chemically and are in the end products of the reaction.
C)   They are vital to chemical reactions.
D)   Many contain vitamins in their structure.E) C) and D)
F) A) and D)

Question 18

What substances are found in pancreatic juice? How are the inactive substances in pancreatic juice activated?

Accepted Answer

Pancreatic juice is a critical digestive...

Question 19

The intestinal hormone cholecystokinin:

Accepted Answer

A)   causes the pancreas to increase exocrine secretions high in enzyme content.
B)   opposes the influence of gastrin on gastric parietal cells.
C)   stimulates the contraction of the gallbladder.
D)   does all of the above.E) All of the above
F) A) and B)

Question 20

The major site for the absorption of the end products of digestion is the:

Accepted Answer

A)   stomach.
B)   small intestine.
C)   cecum.
D)   large intestine.E) A) and D)
F) All of the above

Exam 29: B: Physiology of the Digestive System

The hormone that stimulates the release of bicarbonate substance from the pancreas is:

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Which of the following is not true of enzymes?

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The intestinal hormone cholecystokinin:

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The parietal cells of the stomach do not produce which of the following?

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Match each of the digestive juices and enzymes with its corresponding description. -pancreatic enzyme that works on proteins

Correct AnswerverifiedShow Answer

The purpose of peristalsis is to:

Correct AnswerverifiedShow Answer

The sodium cotransport or coupled transport acts to transport sodium ions and glucose molecules _____ the GI lumen.

Correct AnswerverifiedShow Answer

Some drugs cannot be taken orally even if they are well absorbed by the small intestine because they are completely broken down by the liver.Explain why these drugs would never reach the general circulation.

Correct AnswerAnswered by ExamLex AIThese drugs would never reach the genera...View AnswerShow Answer

What substances are found in pancreatic juice? How are the inactive substances in pancreatic juice activated?

Correct AnswerAnswered by ExamLex AIPancreatic juice is a critical digestive...View AnswerShow Answer

Explain why salivary amylase is able to digest such a small amount of carbohydrate.

Correct AnswerAnswered by ExamLex AISalivary amylase is able to digest a sma...View AnswerShow Answer

Explain the process of protein digestion.

Correct AnswerAnswered by ExamLex AIProtein digestion is the process by whic...View AnswerShow Answer

The major site for the absorption of the end products of digestion is the:

Correct AnswerverifiedShow Answer

The disaccharide sucrose is made up of which two saccharide units?

Correct AnswerverifiedShow Answer

Most enzymes catalyze a chemical reaction in both directions.Explain what this means.

Correct AnswerAnswered by ExamLex AIEnzymes are biological catalysts that sp...View AnswerShow Answer

After the absorption of a large meal,high levels of chylomicrons would be found in the:

Correct AnswerverifiedShow Answer

Match each of the digestive juices and enzymes with its corresponding description. -major enzyme in stomach associated with protein breakdown

Correct AnswerverifiedShow Answer

What happens in the chemical process of hydrolysis?

Correct AnswerAnswered by ExamLex AIHydrolysis is a chemical process in whic...View AnswerShow Answer

Which of these is not an example of mechanical digestion?

Correct AnswerverifiedShow Answer

Match each primary mechanism of the digestive system with its corresponding definition. -a group of processes that breaks complex nutrients into simpler ones,thus facilitating their absorption (includes both mechanical and chemical processes)

Correct AnswerverifiedShow Answer

Match each primary mechanism of the digestive system with its corresponding definition. -process of taking food into the mouth,starting it on its journey through the digestive tract

Correct AnswerverifiedShow Answer

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These drugs would never reach the genera...
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Pancreatic juice is a critical digestive...
View Answer

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Salivary amylase is able to digest a sma...
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Protein digestion is the process by whic...
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Correct Answer
Answered by ExamLex AI
Enzymes are biological catalysts that sp...
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Correct Answer
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Answered by ExamLex AI
Hydrolysis is a chemical process in whic...
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Correct Answer
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Correct Answer
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Correct Answer
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