Question 1

The enterohepatic circulation reabsorbs bile salts in the distal portion of the small intestine (ileum) .All of the following statements about the enterohepatic circulation are true except one.Select the statement below that is not true of the enterohepatic circulation?

Accepted Answer

A)  Reabsorbing bile salts in the ileum gives more time to emulsify lipid and aid in their absorption within a greater length of the small intestine.
B)  All of the components of bile are recycled by this circulation.
C)  Reabsorption of bile salts reduces the need to synthesize new bile salts.
D)  The reabsorption of bile salts allows them to be reused within new bile.

Question 2

Hormones or paracrines that inhibit gastric secretion include ________.

Accepted Answer

A)  histamine
B)  secretin
C)  ACh
D)  gastrin

Question 3

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 4

The solutes contained in saliva include ________.

Accepted Answer

A)  mucin,lysozyme,electrolytes,salts,and minerals
B)  only proteases and amylase
C)  electrolytes,digestive enzyme,mucin,lysozyme,wastes,and IgA
D)  only salts and minerals

Question 5

In the enteric nervous system,a long reflexive pathway has an advantage over a short reflexive pathway in the fact that ________.

Accepted Answer

A)  long reflexive pathways last much longer than short reflexive pathways
B)  long reflexive pathways can respond throughout the entire length of the GI tract while short reflexive pathways can only respond in the proximal end
C)  long reflexive pathways are quicker to respond than short reflexive pathways
D)  long reflexive pathways can be stimulated by things outside of the GI tract

Question 6

The intrinsic ability of visceral smooth muscle to exhibit the stress-relaxation response is termed plasticity.

Accepted Answer

A) True 
 B)False

Question 7

Proteins entering the stomach act as a buffer raising pH.Rising pH stimulates the activity of G-cells in the lining of the stomach.All of the following but one will occur.Select the statement below that would not occur.

Accepted Answer

A)  More stomach acid will be produced and secreted.
B)  A positive feedback response will be initiated and G-cell activity will continue to go up.
C)  Protein digestion will be enhanced.
D)  Digestive enzymes will be released.

Question 8

Define constipation and diarrhea.Note possible causes of each.

Accepted Answer

Watery stools are called diarrhea.Consti...

Question 9

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 fats

Question 10

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

Accepted Answer

A) True 
 B)False

Question 11

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

Gastritis is an inflammation of the muco...

Question 12

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 13

Paneth cells ________.

Accepted Answer

A)  secrete hormones
B)  secrete digestive enzymes
C)  secrete bicarbonate ions
D)  secrete enzymes that kill bacteria

Question 14

The major means of propulsion through the alimentary canal is peristalsis.

Accepted Answer

A) True 
 B)False

Question 15

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 fat

Question 16

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 17

Which of the following is not a factor that helps create the stomach mucosal barrier?

Accepted Answer

A)  replacing of damaged epithelial mucosa cells
B)  thick coating of bicarbonate-rich mucus
C)  secretion of pepsinogen
D)  tight junctions of epithelial mucosa cells

Question 18

The protective outermost layer of the esophagus is the ________.

Accepted Answer

The answer of The protective outermost layer of the esophagus...

Question 19

What are chylomicrons?

Accepted Answer

Chylomicrons are tiny fatty droplets com...

Question 20

Why is it necessary for the stomach contents to be so acidic? How does the stomach protect itself from digestion?

Accepted Answer

HCl is necessary for the activation and ...

Exam 23: The Digestive System

Define constipation and diarrhea.Note possible causes of each.

Correct Answer
verified
Watery stools are called diarrhea.Consti...
View Answer

Why is it necessary for the stomach contents to be so acidic? How does the stomach protect itself from digestion?

Correct Answer
verified
HCl is necessary for the activation and ...
View Answer

Which of the following is not a factor that helps create the stomach mucosal barrier?

Correct Answer
verified

Proteins entering the stomach act as a buffer raising pH.Rising pH stimulates the activity of G-cells in the lining of the stomach.All of the following but one will occur.Select the statement below that would not occur.

Correct Answer
verified

The enterohepatic circulation reabsorbs bile salts in the distal portion of the small intestine (ileum) .All of the following statements about the enterohepatic circulation are true except one.Select the statement below that is not true of the enterohepatic circulation?

Correct Answer
verified

The protective outermost layer of the esophagus is the ________.

Correct Answer
verified

The solutes contained in saliva include ________.

Correct Answer
verified

The major means of propulsion through the alimentary canal is peristalsis.

Correct Answer
verified

Fat absorption through the plasma membrane of epithelial cells ________.

Correct Answer
verified

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 Answer
verified
The most likely diagnosis is a...
View Answer

In the enteric nervous system,a long reflexive pathway has an advantage over a short reflexive pathway in the fact that ________.

Correct Answer
verified

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

Correct Answer
verified

What are chylomicrons?

Correct Answer
verified
Chylomicrons are tiny fatty droplets com...
View Answer

Correct Answer
verified
Gastritis is an inflammation of the muco...
View Answer

Paneth cells ________.

Correct Answer
verified

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

Correct Answer
verified

Hormones or paracrines that inhibit gastric secretion include ________.

Correct Answer
verified

Which of the following is not true of saliva?

Correct Answer
verified

The intrinsic ability of visceral smooth muscle to exhibit the stress-relaxation response is termed plasticity.

Correct Answer
verified

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

Correct Answer
verified

Exam 23: The Digestive System

Define constipation and diarrhea.Note possible causes of each.

Correct AnswerverifiedWatery stools are called diarrhea.Consti...View AnswerShow Answer

Why is it necessary for the stomach contents to be so acidic? How does the stomach protect itself from digestion?

Correct AnswerverifiedHCl is necessary for the activation and ...View AnswerShow Answer

Which of the following is not a factor that helps create the stomach mucosal barrier?

Correct AnswerverifiedShow Answer

Proteins entering the stomach act as a buffer raising pH.Rising pH stimulates the activity of G-cells in the lining of the stomach.All of the following but one will occur.Select the statement below that would not occur.

Correct AnswerverifiedShow Answer

The enterohepatic circulation reabsorbs bile salts in the distal portion of the small intestine (ileum) .All of the following statements about the enterohepatic circulation are true except one.Select the statement below that is not true of the enterohepatic circulation?

Correct AnswerverifiedShow Answer

The protective outermost layer of the esophagus is the ________.

Correct AnswerverifiedShow Answer

The solutes contained in saliva include ________.

Correct AnswerverifiedShow Answer

The major means of propulsion through the alimentary canal is peristalsis.

Correct AnswerverifiedShow Answer

Fat absorption through the plasma membrane of epithelial cells ________.

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

In the enteric nervous system,a long reflexive pathway has an advantage over a short reflexive pathway in the fact that ________.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What are chylomicrons?

Correct AnswerverifiedChylomicrons are tiny fatty droplets com...View AnswerShow Answer

Correct AnswerverifiedGastritis is an inflammation of the muco...View AnswerShow Answer

Paneth cells ________.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Hormones or paracrines that inhibit gastric secretion include ________.

Correct AnswerverifiedShow Answer

Which of the following is not true of saliva?

Correct AnswerverifiedShow Answer

The intrinsic ability of visceral smooth muscle to exhibit the stress-relaxation response is termed plasticity.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Correct Answer
verified
Watery stools are called diarrhea.Consti...
View Answer

Correct Answer
verified
HCl is necessary for the activation and ...
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
The most likely diagnosis is a...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Chylomicrons are tiny fatty droplets com...
View Answer

Correct Answer
verified
Gastritis is an inflammation of the muco...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified