Question 1

From the esophagus to the anal canal,the walls of every organ of the alimentary canal are made up of the same four basic layers.Arrange them in order from the lumen.

Accepted Answer

A)  serosa,mucosa,submucosa,and muscularis externa
B)  mucosa,submucosa,muscularis externa,and serosa
C)  submucosa,serosa,muscularis externa,and mucosa
D)  muscularis externa,serosa,mucosa,and submucosaE) A) and D)
F) C) and D)

Question 2

Peristaltic waves are ________.

Accepted Answer

A)  churning movements of the gastrointestinal tract that aid in mechanical breakdown of chyme
B)  segmental regions of the gastrointestinal tract
C)  waves of muscular contractions that propel contents from one point to another
D)  pendular movements of the gastrointestinal tractE) B) and C)
F) A) and B)

Question 3

What stomach secretion is necessary for normal hemoglobin production in RBCs?

Accepted Answer

A)  pepsinogen
B)  gastric lipase
C)  intrinsic factor
D)  HClE) All of the above
F) A) and C)

Question 4

Which of the following enzymes would be most active in the presents of a high concentrations of protein fragments?

Accepted Answer

A)  lipase
B)  trypsin
C)  amylase
D)  dextrinaseE) All of the above
F) B) and C)

Question 5

The ________ phase of gastric secretions occurs when food enters the stomach.

Accepted Answer

The answer of The ________ phase of gastric secretions occurs...

Question 6

Gastric accommodation is an example of smooth muscle plasticity.

Accepted Answer

A) True 
 B)False

Question 7

Jose is brought to the emergency room complaining of a burning sensation in his chest,increased salivation,and difficulty in swallowing.He is having difficulty breathing and feels the presence of a "lump in his throat." The diagnosis is gastroesophageal reflux disease.Explain.

Accepted Answer

Gastroesophageal reflux disease is a dis...

Question 8

The ducts that deliver bile and pancreatic juice from the liver and pancreas,respectively,unite to form the ________.

Accepted Answer

A)  hepatopancreatic ampulla
B)  bile canaliculus
C)  pancreatic acini
D)  portal veinE) A) and B)
F) A) and C)

Question 9

Some of the microbes that often invade other organs of the body are rarely found in the stomach.The reason for this is the presence of HCl.

Accepted Answer

A) True 
 B)False

Question 10

Assume you have been chewing a piece of bread for 5 or 6 minutes.How would you expect its molecular chemistry to change during this time? Why?

Accepted Answer

The bread will begin to change...

Question 11

A ruptured appendix is life threatening because ________.

Accepted Answer

A)  it is likely to cause severe internal bleeding
B)  the large intestine will no longer be able to receive digested material from the small intestine
C)  loss of the appendix's function will cause an immune deficiency in the digestive system
D)  it is likely to cause massive infection of the abdominopelvic cavityE) None of the above
F) A) and B)

Question 12

Which of the following is the best illustration of the difference between metabolism and digestion?

Accepted Answer

A)  Digestion has a wide variety of chemical reactions while metabolism is restricted to only a few reaction types.
B)  Digestions must happen first for metabolism to follow it.
C)  Metabolism comprises all of the chemical reactions preformed with in the body while digestion is only the breakdown of food within the G.I.Tract.
D)  Digestion requires enzymes for it to take place while metabolism does not necessarily need or use them.E) C) and D)
F) None of the above

Question 13

The function of goblet cells is to ________.

Accepted Answer

A)  provide protection against invading bacteria and other disease-causing organisms that enter the digestive tract in food
B)  secrete buffers in order to keep the pH of the digestive tract close to neutral
C)  produce mucus that protects parts of the digestive organs from the effects of powerful enzymes needed for food digestion
D)  absorb nutrients from digested food and store them for future useE) All of the above
F) A) and B)

Question 14

The bolus is liquefied in the ________ and it is now called chyme.

Accepted Answer

A)  esophagus
B)  stomach
C)  small intestine
D)  mouthE) A) and C)
F) B) and C)

Question 15

The sight of food can trigger a series of events that results in the release of gastric juice.All but one of the following is true in regards to the previous statement.Select the one answer that is not true.

Accepted Answer

A)  This prepares the stomach for food before its arrival in the stomach.
B)  This is an example of a long reflexive pathway.
C)  The motor nerves of this pathway are part of the sympathetic division of the autonomic nervous system.
D)  The cerebral cortex,hypothalamus and medulla oblongata are all involved in processing the stimulatory information.E) A) and B)
F) A) and D)

Question 16

You have just eaten a meal high in complex carbohydrates.Which of the following enzymes will help to digest the meal?

Accepted Answer

A)  amylase
B)  trypsin
C)  gastrin
D)  cholecystokininE) A) and D)
F) None of the above

Question 17

The dental formula for an adult is 2-1-2-3.What does the 1 stand for?

Accepted Answer

A)  premolar tooth
B)  canine tooth
C)  molar tooth
D)  incisor toothE) C) and D)
F) B) and C)

Question 18

Which of the following is least involved in the mechanical breakdown of food,digestion or absorption of nutrients?

Accepted Answer

A)  the oral cavity
B)  the esophagus
C)  large intestine
D)  the small ingestionE) None of the above
F) A) and D)

Question 19

The digestive function of the liver is to produce bile.

Accepted Answer

A) True 
 B)False

Exam 23: The Digestive System

The bolus is liquefied in the ________ and it is now called chyme.

Correct Answer
verified

Which of the following enzymes would be most active in the presents of a high concentrations of protein fragments?

Correct Answer
verified

Jose is brought to the emergency room complaining of a burning sensation in his chest,increased salivation,and difficulty in swallowing.He is having difficulty breathing and feels the presence of a "lump in his throat." The diagnosis is gastroesophageal reflux disease.Explain.

Correct Answer
verified
Gastroesophageal reflux disease is a dis...
View Answer

Which of the following is least involved in the mechanical breakdown of food,digestion or absorption of nutrients?

Correct Answer
verified

Assume you have been chewing a piece of bread for 5 or 6 minutes.How would you expect its molecular chemistry to change during this time? Why?

Correct Answer
verified
The bread will begin to change...
View Answer

The ducts that deliver bile and pancreatic juice from the liver and pancreas,respectively,unite to form the ________.

Correct Answer
verified

The function of goblet cells is to ________.

Correct Answer
verified

The ________ phase of gastric secretions occurs when food enters the stomach.

Correct Answer
verified

Peristaltic waves are ________.

Correct Answer
verified

Gastric accommodation is an example of smooth muscle plasticity.

Correct Answer
verified

Which of the following is the best illustration of the difference between metabolism and digestion?

Correct Answer
verified

What stomach secretion is necessary for normal hemoglobin production in RBCs?

Correct Answer
verified

The digestive function of the liver is to produce bile.

Correct Answer
verified

The dental formula for an adult is 2-1-2-3.What does the 1 stand for?

Correct Answer
verified

The sight of food can trigger a series of events that results in the release of gastric juice.All but one of the following is true in regards to the previous statement.Select the one answer that is not true.

Correct Answer
verified

A ruptured appendix is life threatening because ________.

Correct Answer
verified

From the esophagus to the anal canal,the walls of every organ of the alimentary canal are made up of the same four basic layers.Arrange them in order from the lumen.

Correct Answer
verified

Some of the microbes that often invade other organs of the body are rarely found in the stomach.The reason for this is the presence of HCl.

Correct Answer
verified

You have just eaten a meal high in complex carbohydrates.Which of the following enzymes will help to digest the meal?

Correct Answer
verified

Exam 23: The Digestive System

The bolus is liquefied in the ________ and it is now called chyme.

Correct AnswerverifiedShow Answer

Which of the following enzymes would be most active in the presents of a high concentrations of protein fragments?

Correct AnswerverifiedShow Answer

Jose is brought to the emergency room complaining of a burning sensation in his chest,increased salivation,and difficulty in swallowing.He is having difficulty breathing and feels the presence of a "lump in his throat." The diagnosis is gastroesophageal reflux disease.Explain.

Correct AnswerverifiedGastroesophageal reflux disease is a dis...View AnswerShow Answer

Which of the following is least involved in the mechanical breakdown of food,digestion or absorption of nutrients?

Correct AnswerverifiedShow Answer

Assume you have been chewing a piece of bread for 5 or 6 minutes.How would you expect its molecular chemistry to change during this time? Why?

Correct AnswerverifiedThe bread will begin to change...View AnswerShow Answer

The ducts that deliver bile and pancreatic juice from the liver and pancreas,respectively,unite to form the ________.

Correct AnswerverifiedShow Answer

The function of goblet cells is to ________.

Correct AnswerverifiedShow Answer

The ________ phase of gastric secretions occurs when food enters the stomach.

Correct AnswerverifiedShow Answer

Peristaltic waves are ________.

Correct AnswerverifiedShow Answer

Gastric accommodation is an example of smooth muscle plasticity.

Correct AnswerverifiedShow Answer

Which of the following is the best illustration of the difference between metabolism and digestion?

Correct AnswerverifiedShow Answer

What stomach secretion is necessary for normal hemoglobin production in RBCs?

Correct AnswerverifiedShow Answer

The digestive function of the liver is to produce bile.

Correct AnswerverifiedShow Answer

The dental formula for an adult is 2-1-2-3.What does the 1 stand for?

Correct AnswerverifiedShow Answer

The sight of food can trigger a series of events that results in the release of gastric juice.All but one of the following is true in regards to the previous statement.Select the one answer that is not true.

Correct AnswerverifiedShow Answer

A ruptured appendix is life threatening because ________.

Correct AnswerverifiedShow Answer

From the esophagus to the anal canal,the walls of every organ of the alimentary canal are made up of the same four basic layers.Arrange them in order from the lumen.

Correct AnswerverifiedShow Answer

Some of the microbes that often invade other organs of the body are rarely found in the stomach.The reason for this is the presence of HCl.

Correct AnswerverifiedShow Answer

You have just eaten a meal high in complex carbohydrates.Which of the following enzymes will help to digest the meal?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Gastroesophageal reflux disease is a dis...
View Answer

Correct Answer
verified

Correct Answer
verified
The bread will begin to change...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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