Question 1

Figure 23.2
Using Figure 23.2, match the following:
-Paneth cells are found here.

Accepted Answer

A)  E
B)  C
C)  B
D)  D
E)  A A

Question 2

Figure 23.3
Using Figure 23.3, match the following:
-Receives blood via the hepatic portal system.

Accepted Answer

A)  C
B)  D
C)  B
D)  A
E)  E D

Question 3

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

Accepted Answer

gastric

Question 4

The mechanical and chemical receptors that control digestive activity are located ________.

Accepted Answer

A)   in the walls of the tract organs
B)   in the glandular tissue that surround the organ lumen
C)   in the oral cavity
D)   in the pons and medulla

Question 5

Cells are found in the sinusoids of the liver that remove debris from the blood as it flows past are called ________ macrophages.

Accepted Answer

The answer of Cells are found in the sinusoids of...

Question 6

What are chylomicrons?

Accepted Answer

The answer of What are chylomicrons?...

Question 7

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 cavity

Question 8

Another term for swallowing is deglutition.

Accepted Answer

A) True 
 B)False

Question 9

Some antacid drugs block histamine receptors,resulting in reduction of the production and excretion of stomach acid.These drugs have the biggest effect on which of the following?

Accepted Answer

A)   surface epithelial cells
B)   chief cells
C)   mucous neck cells
D)   parietal cells

Question 10

Name two regions of the digestive tract where mechanical food breakdown processes are very important.Name two organs that are primarily food conduits.Name the organ where protein digestion is begun.Name the organ where fat digestion begins.

Accepted Answer

The answer of Name two regions of the digestive tract...

Question 11

Severe diarrhea can diminish potassium ion absorption.

Accepted Answer

A) True 
 B)False

Question 12

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 answer of Assume you have been chewing a piece...

Question 13

The digestive function of the liver is to produce bile.

Accepted Answer

A) True 
 B)False

Question 14

Match the following:
-Wavelike smooth muscle contractions that move foodstuffs through the alimentary tube.

Accepted Answer

A)  Peristalsis
B)  Digestion
C)  Hydrolysis
D)  Absorption

Question 15

Which of the following is the best explanation of the benefit in the digestive system having the largest collection of lymphoid tissue (MALT)at the distal end of the small intestine?

Accepted Answer

A)   The alkaline secretion of the small intestine aid in the growth of bacteria and must be controlled.
B)   The body will actively excrete pathogens out the body, into the digestive system to be removed from the body in feces.
C)   The huge numbers of bacteria living in the large intestine must be prevented from entering the lumen of the small intestine and being absorbed with food's nutrients into the blood stream.
D)   The digestive systems first and foremost job is to digest and absorb nutrients so it puts off immunity for last.

Question 16

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 17

Select the correct statement about absorption.

Accepted Answer

A)   Eighty percent of ingested materials have been absorbed by the end of the large intestine.
B)   In the rare case that intact, whole proteins are transported across the mucosal endothelium, an immune response may be generated.
C)   Carbohydrates diffuse across the mucosal endothelium and are then actively transported into blood capillaries.
D)   Amino acid transport is linked to chloride transport.

Question 18

Which of the following is not true of saliva?

Accepted Answer

A)   moistens food and aids in compacting of the bolus
B)   cleanses the mouth
C)   contains enzymes that begin the breakdown of carbohydrates
D)   contains acids which aid in chemical digestion

Question 19

Sami has been hospitalized with acute gastritis.Her symptoms were epigastric pressure (just above the stomach),headache,nausea,and vomiting with traces of old dark blood.She revealed that she had been suffering back pain and drank four shots of gin and took three aspirin to "kill the pain." What led the physician to make this diagnosis,and what may have caused the sudden attack?

Accepted Answer

The answer of Sami has been hospitalized with acute gastritis.Her...

Question 20

The lamina propria is composed of ________.

Accepted Answer

A)   dense irregular connective tissue
B)   dense regular connective tissue
C)   reticular connective tissue
D)   loose connective tissue

Exam 23: The Digestive System

Figure 23.2 Using Figure 23.2, match the following: -Paneth cells are found here.

Figure 23.3 Using Figure 23.3, match the following: -Receives blood via the hepatic portal system.

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

The mechanical and chemical receptors that control digestive activity are located ________.

Cells are found in the sinusoids of the liver that remove debris from the blood as it flows past are called ________ macrophages.

What are chylomicrons?

A ruptured appendix is life threatening because ________.

Another term for swallowing is deglutition.

Some antacid drugs block histamine receptors,resulting in reduction of the production and excretion of stomach acid.These drugs have the biggest effect on which of the following?

Name two regions of the digestive tract where mechanical food breakdown processes are very important.Name two organs that are primarily food conduits.Name the organ where protein digestion is begun.Name the organ where fat digestion begins.

Severe diarrhea can diminish potassium ion absorption.

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?

The digestive function of the liver is to produce bile.

Match the following: -Wavelike smooth muscle contractions that move foodstuffs through the alimentary tube.

Which of the following is the best explanation of the benefit in the digestive system having the largest collection of lymphoid tissue (MALT) at the distal end of the small intestine?

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.

Select the correct statement about absorption.

Which of the following is not true of saliva?

The lamina propria is composed of ________.