Question 1

Exchange of oxygen, nutrients, and waste materials takes place across the walls of small blood vessels called ____. ​

Accepted Answer

A)  ducts
B)  venules
C)  arterioles
D)  capillariesE) None of the above
F) All of the above

Question 2

Follow the digestive and absorptive process through the GI tract by describing the major events that occur in the mouth, stomach, small intestine, and colon. Include a discussion of the enzymes involved in digestion.

Accepted Answer

In the mouth, the food is chewed and mix...

Question 3

People who have frequent, regular bouts of heartburn and indigestion have a medical condition known as ____. ​

Accepted Answer

A)  colitis
B)  watery stools
C)  celiac disease
D)  gastroesophageal refluxE) All of the above
F) None of the above

Question 4

Describe anatomical features of the small intestine that facilitate absorption. Include a discussion of the absorption of water-soluble versus fat-soluble nutrients.

Accepted Answer

The inner surface of the small intestine...

Question 5

What is the first action you should take if you suspect someone is choking on food?

Accepted Answer

A)  Ask the person if they can speak.
B)  Perform the Heimlich maneuver.
C)  Strike the person sharply on the back.
D)  Attempt to dislodge the food with your fingers.E) None of the above
F) A) and D)

Question 6

What are the usual consequences of removing a diseased gallbladder?

Accepted Answer

A)  inability to digest fats
B)  some damage to the pancreas
C)  inability to digest carbohydrates
D)  delivery of bile directly to the intestineE) A) and B)
F) All of the above

Question 7

Chyme is a ____. ​

Accepted Answer

A)  semisolid mass of undigested food that passes through the ileocecal valve
B)  semiliquid mass of partially digested food released by the stomach into the small intestine
C)  mixture of pancreatic juices containing enzymes for macronutrient digestion
D)  thick, viscous material synthesized by mucosal cells for protection against digestive juicesE) A) and C)
F) All of the above

Question 8

Sphincter muscles ____. ​

Accepted Answer

A)  control peristalsis and segmentation
B)  grind large food particles into chyme
C)  secrete digestive juices into the GI tract
D)  control the passage of food through the GI tractE) None of the above
F) A) and D)

Question 9

Which structure controls the release of material from the stomach to the small intestine and prevents the contents of the small intestine from backing up into the stomach? ​

Accepted Answer

A)  ileocecal valve
B)  pyloric sphincter
C)  diaphragmatic valve
D)  esophageal sphincterE) A) and D)
F) None of the above

Question 10

Which of the following results from reverse peristalsis?

Accepted Answer

A)  ​gas
B)  ​choking
C)  ​vomiting
D)  ​diarrheaE) B) and D)
F) B) and C)

Question 11

The backward flow of stomach contents, a process known as ____, is prevented by the ____. ​

Accepted Answer

A)  peristalsis; cardiac sphincter
B)  segmentation; ileocecal valve
C)  motility; upper esophageal sphincter
D)  reflux; lower esophageal sphincterE) A) and B)
F) B) and D)

Question 12

Which class of nutrients requires the least amount of digestion before being absorbed in the small intestine? ​

Accepted Answer

A)  lipids
B)  proteins
C)  vitamins
D)  carbohydratesE) B) and C)
F) C) and D)

Question 13

Constipation is characterized by ____.

Accepted Answer

A)  painful or difficult and infrequent bowel movements
B)  reflux more than three times a month
C)  more than a day without a bowel movement
D)  soft or watery bowel movementsE) A) and B)
F) A) and C)

Question 14

Untreated gastroesophageal reflux increases the risk for the more serious condition known as ____.

Accepted Answer

A)  colitis
B)  diverticulitis
C)  Barrett ' s esophagus
D)  irritable bowel syndromeE) A) and C)
F) A) and D)

Question 15

When ingested in large quantities, the sugar alternative sorbitol and the fat alternative olestra are known to induce ____.

Accepted Answer

A)  diarrhea
B)  vomiting
C)  pancreatitis
D)  celiac diseaseE) A) and C)
F) B) and C)

Question 16

Which remedy will not help to ease constipation?

Accepted Answer

A)  laxatives
B)  stool softeners
C)  colonic irrigation
D)  mineral oilE) C) and D)
F) A) and B)

Question 17

Which process is associated with the presence of fat in the GI tract?

Accepted Answer

A)  inhibition of mucosal enzyme activities
B)  slowing of digestion and absorption
C)  inhibition of thiamin, riboflavin, and niacin absorption
D)  stimulation and hastening of digestion and absorptionE) A) and B)
F) A) and C)

Question 18

What is the function of the appendix? ​

Accepted Answer

A)  It ferments fiber.
B)  It contains lymph cells.
C)  It slows down peristalsis.
D)  It stores preformed stools.E) C) and D)
F) None of the above

Question 19

Peristalsis ____. ​

Accepted Answer

A)  ceases between meals when the GI tract is empty
B)  occurs at a constant rate along the GI tract, but only when food is present
C)  involves parallel and circular muscles found in the walls of the intestines, but not the stomach
D)  is characterized by wavelike contractions due to the action of circular and longitudinal musclesE) A) and C)
F) C) and D)

Question 20

An individual suffering from constipation should ____.

Accepted Answer

A)  decrease water intake
B)  increase fiber intake
C)  decrease physical activity
D)  ignore defecation signalsE) B) and C)
F) B) and D)

Exam 3: Digestion, Absorption, and Transport

The backward flow of stomach contents, a process known as ____, is prevented by the ____. ​

Correct AnswerverifiedShow Answer

Which structure controls the release of material from the stomach to the small intestine and prevents the contents of the small intestine from backing up into the stomach? ​

Correct AnswerverifiedShow Answer

Chyme is a ____. ​

Correct AnswerverifiedShow Answer

Which remedy will not help to ease constipation?

Correct AnswerverifiedShow Answer

Which class of nutrients requires the least amount of digestion before being absorbed in the small intestine? ​

Correct AnswerverifiedShow Answer

Exchange of oxygen, nutrients, and waste materials takes place across the walls of small blood vessels called ____. ​

Correct AnswerverifiedShow Answer

Follow the digestive and absorptive process through the GI tract by describing the major events that occur in the mouth, stomach, small intestine, and colon. Include a discussion of the enzymes involved in digestion.

Correct AnswerverifiedIn the mouth, the food is chewed and mix...View AnswerShow Answer

People who have frequent, regular bouts of heartburn and indigestion have a medical condition known as ____. ​

Correct AnswerverifiedShow Answer

Peristalsis ____. ​

Correct AnswerverifiedShow Answer

Sphincter muscles ____. ​

Correct AnswerverifiedShow Answer

When ingested in large quantities, the sugar alternative sorbitol and the fat alternative olestra are known to induce ____.

Correct AnswerverifiedShow Answer

Which process is associated with the presence of fat in the GI tract?

Correct AnswerverifiedShow Answer

Describe anatomical features of the small intestine that facilitate absorption. Include a discussion of the absorption of water-soluble versus fat-soluble nutrients.

Correct AnswerverifiedThe inner surface of the small intestine...View AnswerShow Answer

An individual suffering from constipation should ____.

Correct AnswerverifiedShow Answer

What are the usual consequences of removing a diseased gallbladder?

Correct AnswerverifiedShow Answer

Which of the following results from reverse peristalsis?

Correct AnswerverifiedShow Answer

What is the first action you should take if you suspect someone is choking on food?

Correct AnswerverifiedShow Answer

What is the function of the appendix? ​

Correct AnswerverifiedShow Answer

Constipation is characterized by ____.

Correct AnswerverifiedShow Answer

Untreated gastroesophageal reflux increases the risk for the more serious condition known as ____.

Correct AnswerverifiedShow Answer

The backward flow of stomach contents, a process known as , is prevented by the .

Correct Answer
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Which structure controls the release of material from the stomach to the small intestine and prevents the contents of the small intestine from backing up into the stomach?

Correct Answer
verified

Chyme is a ____.

Correct Answer
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Correct Answer
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Which class of nutrients requires the least amount of digestion before being absorbed in the small intestine?

Correct Answer
verified

Exchange of oxygen, nutrients, and waste materials takes place across the walls of small blood vessels called ____.

Correct Answer
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Correct Answer
verified
In the mouth, the food is chewed and mix...
View Answer

People who have frequent, regular bouts of heartburn and indigestion have a medical condition known as ____.

Correct Answer
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Peristalsis ____.

Correct Answer
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Sphincter muscles ____.

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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The inner surface of the small intestine...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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What is the function of the appendix?

Correct Answer
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Correct Answer
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Correct Answer
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