Question 1

Mrs.Wong goes to the emergency room with the following symptoms: severe pain in the umbilical region,loss of appetite,nausea,and vomiting.While she was waiting to see a doctor,the pain moved to the lower right abdominal quadrant.What is the likely diagnosis and treatment?

Accepted Answer

The most likely diagnosis is a...

Question 2

Figure 23.1
Using Figure 23.1, match the following:
-Serosa.

Accepted Answer

A)  A
B)  D
C)  B
D)  CE) B) and C)
F) A) and C)

Question 3

All of the following are true of swallowing (deglutition) except one.Select the statement that is not true of swallowing.

Accepted Answer

A)   The involuntary portion of swallowing takes place in the pharynx.
B)   The mouth, pharynx and esophagus all take part in swallowing.
C)   The epiglottis assists in propelling food into the trachea.
D)   The voluntary phase of swallowing takes place within the mouth.E) None of the above
F) B) and C)

Question 4

The ingestion of a meal high in fat content would cause which of the following to occur?

Accepted Answer

A)   This type of food would cause secretion of gastrin to cease, resulting in faster gastric emptying.
B)   Increased production of trypsinogen.
C)   Bile would be released from the gallbladder to emulsify the fat in the duodenum.
D)   The acid secretions from the stomach would be sufficient to digest this food but may cause heartburn.E) A) and D)
F) A) and C)

Question 5

Select the correct statement about the regulation of gastric secretion.

Accepted Answer

A)   Gastric secretion can be stimulated before food has entered the mouth.
B)   The presence of food in the stomach prevents hormonal control of gastric secretion.
C)   Vagus stimulation of the stomach results in decreased secretion of gastric juice.
D)   Gastric secretion is enhanced by very low pH (below a pH of 2) .E) A) and B)
F) None of the above

Question 6

Which of the following is true concerning the number and type of permanent teeth?

Accepted Answer

A)   There are 27 permanent teeth, and the first molars are usually the last to emerge.
B)   There are 32 permanent teeth, and the wisdom teeth are the last to emerge.
C)   The number of upper permanent teeth is not equal to the number of lower permanent teeth.
D)   The number of permanent teeth is always equal to the number of primary teeth.E) None of the above
F) C) and D)

Question 7

Fat absorption through the plasma membrane of epithelial cells ________.

Accepted Answer

A)   Is accomplished by cotransporters that use the concentration gradient of Na+ outside of the cells
B)   requires vesicular, active transport of the relatively large fatty acids and monoglyceride
C)   occurs by simple diffusion because lipids are able to penetrate the hydrophobic fatty acid tails within the plasma membrane
D)   requires enzymes attached to the brush border to further breakdown the fatsE) B) and D)
F) None of the above

Question 8

Digestion and absorption of which of the following would be affected the most if the liver were severely damaged?

Accepted Answer

A)   starches
B)   proteins
C)   lipids
D)   carbohydratesE) A) and B)
F) None of the above

Question 9

The relatively unchanging pressure in a filling stomach is due to the contraction of the stomach oblique muscle layer.

Accepted Answer

A) True 
 B)False

Question 10

Which of these is not a component of saliva?

Accepted Answer

A)   lysozyme
B)   metabolic waste
C)   defensins
D)   a cyanide derivativeE) B) and D)
F) A) and B)

Question 11

The soft palate reflexively opens the nasopharynx to allow the passage of food,which is now called a bolus.

Accepted Answer

A) True 
 B)False

Question 12

The stomach's contractile rhythm is set by pacemaker cells found in the spinal cord.

Accepted Answer

A) True 
 B)False

Question 13

Peyer's patches are found in the submucosa of the distal end of the small intestine.

Accepted Answer

A) True 
 B)False

Question 14

The sheets of peritoneal membrane that hold the digestive tract in place are called ________.

Accepted Answer

A)   mucosal lining
B)   lamina propria
C)   serosal lining
D)   mesenteriesE) A) and B)
F) C) and D)

Question 15

Figure 23.1
Using Figure 23.1, match the following:
-MALT found here.

Accepted Answer

A)  A
B)  D
C)  B
D)  CE) B) and C)
F) A) and C)

Question 16

A doctor consulting a patient that recently has had their gall bladder removed would likely advise ________.

Accepted Answer

A)   increasing unsaturated fats while eliminating trans fats in their diets
B)   a low to no carb diet
C)   fewer, but larger meals
D)   eating foods that are low in fatE) A) and B)
F) None of the above

Question 17

The submucosal nerve plexus provides the major nerve supply to the GI tract wall and controls GI motility.

Accepted Answer

A) True 
 B)False

Question 18

Figure 23.2
Using Figure 23.2, match the following:
-Wide lymph capillary located in the villus.

Accepted Answer

A)  E
B)  C
C)  B
D)  D
E)  AF) A) and C)
G) B) and D)

Question 19

A patient is 67 years old and has had a hiatal hernia for three years.In the last year,she has complained of worsening heartburn,especially at night.What are the characteristic symptoms of a hiatal hernia and which of these symptoms did the patient have?

Accepted Answer

Heartburn and regurgitation fr...

Question 20

The chief bile pigment is ________.

Accepted Answer

The answer of The chief bile pigment is ________....

Exam 23: The Digestive System

The relatively unchanging pressure in a filling stomach is due to the contraction of the stomach oblique muscle layer.

Correct AnswerverifiedShow Answer

Figure 23.1 Using Figure 23.1, match the following: -MALT found here.

Correct AnswerverifiedShow Answer

Digestion and absorption of which of the following would be affected the most if the liver were severely damaged?

Correct AnswerverifiedShow Answer

The submucosal nerve plexus provides the major nerve supply to the GI tract wall and controls GI motility.

Correct AnswerverifiedShow Answer

Peyer's patches are found in the submucosa of the distal end of the small intestine.

Correct AnswerverifiedShow Answer

A patient is 67 years old and has had a hiatal hernia for three years.In the last year,she has complained of worsening heartburn,especially at night.What are the characteristic symptoms of a hiatal hernia and which of these symptoms did the patient have?

Correct AnswerverifiedHeartburn and regurgitation fr...View AnswerShow Answer

Fat absorption through the plasma membrane of epithelial cells ________.

Correct AnswerverifiedShow Answer

Figure 23.2 Using Figure 23.2, match the following: -Wide lymph capillary located in the villus.

Correct AnswerverifiedShow Answer

Select the correct statement about the regulation of gastric secretion.

Correct AnswerverifiedShow Answer

All of the following are true of swallowing (deglutition) except one.Select the statement that is not true of swallowing.

Correct AnswerverifiedShow Answer

Mrs.Wong goes to the emergency room with the following symptoms: severe pain in the umbilical region,loss of appetite,nausea,and vomiting.While she was waiting to see a doctor,the pain moved to the lower right abdominal quadrant.What is the likely diagnosis and treatment?

Correct AnswerverifiedThe most likely diagnosis is a...View AnswerShow Answer

The sheets of peritoneal membrane that hold the digestive tract in place are called ________.

Correct AnswerverifiedShow Answer

The soft palate reflexively opens the nasopharynx to allow the passage of food,which is now called a bolus.

Correct AnswerverifiedShow Answer

Which of the following is true concerning the number and type of permanent teeth?

Correct AnswerverifiedShow Answer

A doctor consulting a patient that recently has had their gall bladder removed would likely advise ________.

Correct AnswerverifiedShow Answer

Which of these is not a component of saliva?

Correct AnswerverifiedShow Answer

The chief bile pigment is ________.

Correct AnswerverifiedShow Answer

The stomach's contractile rhythm is set by pacemaker cells found in the spinal cord.

Correct AnswerverifiedShow Answer

Figure 23.1 Using Figure 23.1, match the following: -Serosa.

Correct AnswerverifiedShow Answer

The ingestion of a meal high in fat content would cause which of the following to occur?

Correct AnswerverifiedShow Answer

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Heartburn and regurgitation fr...
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The most likely diagnosis is a...
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