Question 1

Which process in the diagram would occur the most after eating a fatty meal of french fries and ice cream?

Accepted Answer

A)  II
B)  I
C)  III
D)  II and III equally
E)  I and II equallyF) B) and C)
G) A) and E)

Question 2

Dorothy suffered a serious stroke that destroyed neurons in the swallowing center of her brain.This damage to her brain would prevent ________.

Accepted Answer

A)  peristalsis
B)  bolus formation by her tongue
C)  elevation of the soft palate
D)  mastication
E)  secretion of salivaF) None of the above
G) A) and B)

Question 3

James has been having trouble digesting lean steaks and other protein-rich foods,and these foods seem to stay in his stomach longer than usual.James is likely lacking the enzyme ________.

Accepted Answer

A)  pepsin
B)  glucagon
C)  bile
D)  lipase
E)  amylaseF) C) and E)
G) B) and E)

Question 4

After consuming an antacid like Rolaids,________.

Accepted Answer

A)  the stomach would absorb water
B)  HCl production would decrease
C)  the pH of the stomach fluid would decrease
D)  the pH of the stomach fluid would increaseE) C) and D)
F) A) and D)

Question 5

The liver removes excess glucose from the blood and converts it into ________.

Accepted Answer

A)  cellulose
B)  maltose and other disaccharides
C)  starch
D)  glycogen
E)  bileF) B) and D)
G) A) and D)

Question 6

A baby is born without the ability to make chief cells.What would be the best type of diet for this baby?

Accepted Answer

A)  a low-fat diet
B)  a diet low in simple sugars such as glucose and fructose
C)  a diet low in protein
D)  a diet low in complex carbohydrates such as starch
E)  a diet low in minerals and vitaminsF) None of the above
G) A) and B)

Question 7

Bicarbonate that neutralizes stomach acid is produced by the

Accepted Answer

A)  duodenum.
B)  small intestine.
C)  pancreas.
D)  large intestine.
E)  liver.F) A) and C)
G) All of the above

Question 8

Out of the estimated total of 9 liters of material passing through the small intestine,how much of it is absorbed in the small intestine?

Accepted Answer

A)  about 50 milliliters
B)  about 350 milliliters
C)  about 4.5 liters
D)  about 8.5 liters
E)  all of itF) A) and D)
G) B) and D)

Question 9

The activities of cells in different layers of the tubular gastrointestinal tract are regulated by clusters of nerves located in the submucosa.These nerve complexes are called

Accepted Answer

A)  serosa.
B)  muscularis.
C)  plexuses.
D)  villi.
E)  epithelia.F) C) and D)
G) None of the above

Question 10

In the human diet,there are no "essential" ________.

Accepted Answer

A)  carbohydrates
B)  amino acids
C)  vitamins
D)  fatty acids
E)  mineralsF) B) and E)
G) B) and C)

Question 11

What is NOT true about the human large intestine?

Accepted Answer

A)  About 4% of fluid absorption takes place in it.
B)  It is longer than the small intestine.
C)  It contains three relatively straight segments with no villi.
D)  Sodium,vitamin K and other bacterial metabolic products are absorbed across its wall.
E)  It compacts and stores undigested materials until their excretion as feces.F) C) and D)
G) B) and D)

Question 12

The luminal contents of the same organ that secretes the hormone into the blood inhibits the further release of ________.

Accepted Answer

A)  gastrin
B)  cholecystokinin
C)  gastric inhibitory peptide
D)  secretin
E)  insulinF) C) and E)
G) B) and C)

Question 13

Deficiencies of brush border enzymes in the small intestine would NOT affect the complete digestion of ________.

Accepted Answer

A)  fats
B)  starch
C)  DNA and RNA
D)  sucrose
E)  proteinsF) All of the above
G) B) and D)

Question 14

Many animals have a mutually-beneficial,symbiotic relationship with bacteria that reside in their guts.To study the effects of these relationships in more detail,research organisms such as fish and mice have been raised under germ-free conditions.What important process do you predict is compromised in germ-free mice?

Accepted Answer

A)  vitamin C synthesis
B)  vitamin D synthesis
C)  synthesis of essential amino acids
D)  vitamin K synthesis
E)  leptin synthesisF) A) and B)
G) None of the above

Question 15

What digestive hormone stimulates gall bladder contraction?

Accepted Answer

A)  gastrin
B)  cholecystokinin
C)  gastric inhibitory peptide
D)  secretin
E)  insulinF) B) and E)
G) B) and D)

Question 16

Which molecule is not able to be absorbed across the stomach wall?

Accepted Answer

A)  water
B)  alcohol
C)  aspirin
D)  glucoseE) B) and D)
F) B) and C)

Question 17

If a person is diagnosed with lactose intolerance,which of the following is likely?

Accepted Answer

A)  Eating fatty foods would be lethal.
B)  Eating dairy foods would be lethal.
C)  Digesting sugars is no longer possible.
D)  Eating dairy products could cause gastrointestinal pain.
E)  This person could only drink milk.F) A) and B)
G) A) and C)

Question 18

In humans,the surface area of the small intestine is

Accepted Answer

A)  3 square centimeters.
B)  3 square meters.
C)  300 square meters.
D)  3,000 square meters.
E)  300,000 square meters.F) A) and C)
G) A) and B)

Question 19

All of the following teeth are found in adult vertebrates except

Accepted Answer

A)  canines.
B)  premolars.
C)  molars.
D)  precanines.
E)  incisors.F) A) and B)
G) None of the above

Question 20

The rumen of the first stomach of ruminants serves as a fermentation chamber in which bacteria and protozoa degrade

Accepted Answer

A)  protein.
B)  fats.
C)  cellulose.
D)  glucose.
E)  starch.F) A) and B)
G) A) and C)

Exam 46: The Digestive System

What is NOT true about the human large intestine?

Correct Answer
verified

A baby is born without the ability to make chief cells.What would be the best type of diet for this baby?

Correct Answer
verified

Dorothy suffered a serious stroke that destroyed neurons in the swallowing center of her brain.This damage to her brain would prevent ________.

Correct Answer
verified

James has been having trouble digesting lean steaks and other protein-rich foods,and these foods seem to stay in his stomach longer than usual.James is likely lacking the enzyme ________.

Correct Answer
verified

After consuming an antacid like Rolaids,________.

Correct Answer
verified

The luminal contents of the same organ that secretes the hormone into the blood inhibits the further release of ________.

Correct Answer
verified

In the human diet,there are no "essential" ________.

Correct Answer
verified

Which molecule is not able to be absorbed across the stomach wall?

Correct Answer
verified

In humans,the surface area of the small intestine is

Correct Answer
verified

All of the following teeth are found in adult vertebrates except

Correct Answer
verified

If a person is diagnosed with lactose intolerance,which of the following is likely?

Correct Answer
verified

The activities of cells in different layers of the tubular gastrointestinal tract are regulated by clusters of nerves located in the submucosa.These nerve complexes are called

Correct Answer
verified

Which process in the diagram would occur the most after eating a fatty meal of french fries and ice cream?

Correct Answer
verified

The rumen of the first stomach of ruminants serves as a fermentation chamber in which bacteria and protozoa degrade

Correct Answer
verified

The liver removes excess glucose from the blood and converts it into ________.

Correct Answer
verified

Correct Answer
verified

Out of the estimated total of 9 liters of material passing through the small intestine,how much of it is absorbed in the small intestine?

Correct Answer
verified

Bicarbonate that neutralizes stomach acid is produced by the

Correct Answer
verified

What digestive hormone stimulates gall bladder contraction?

Correct Answer
verified

Deficiencies of brush border enzymes in the small intestine would NOT affect the complete digestion of ________.

Correct Answer
verified

Exam 46: The Digestive System

What is NOT true about the human large intestine?

Correct AnswerverifiedShow Answer

A baby is born without the ability to make chief cells.What would be the best type of diet for this baby?

Correct AnswerverifiedShow Answer

Dorothy suffered a serious stroke that destroyed neurons in the swallowing center of her brain.This damage to her brain would prevent ________.

Correct AnswerverifiedShow Answer

James has been having trouble digesting lean steaks and other protein-rich foods,and these foods seem to stay in his stomach longer than usual.James is likely lacking the enzyme ________.

Correct AnswerverifiedShow Answer

After consuming an antacid like Rolaids,________.

Correct AnswerverifiedShow Answer

The luminal contents of the same organ that secretes the hormone into the blood inhibits the further release of ________.

Correct AnswerverifiedShow Answer

In the human diet,there are no "essential" ________.

Correct AnswerverifiedShow Answer

Which molecule is not able to be absorbed across the stomach wall?

Correct AnswerverifiedShow Answer

In humans,the surface area of the small intestine is

Correct AnswerverifiedShow Answer

All of the following teeth are found in adult vertebrates except

Correct AnswerverifiedShow Answer

If a person is diagnosed with lactose intolerance,which of the following is likely?

Correct AnswerverifiedShow Answer

The activities of cells in different layers of the tubular gastrointestinal tract are regulated by clusters of nerves located in the submucosa.These nerve complexes are called

Correct AnswerverifiedShow Answer

Which process in the diagram would occur the most after eating a fatty meal of french fries and ice cream?

Correct AnswerverifiedShow Answer

The rumen of the first stomach of ruminants serves as a fermentation chamber in which bacteria and protozoa degrade

Correct AnswerverifiedShow Answer

The liver removes excess glucose from the blood and converts it into ________.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Out of the estimated total of 9 liters of material passing through the small intestine,how much of it is absorbed in the small intestine?

Correct AnswerverifiedShow Answer

Bicarbonate that neutralizes stomach acid is produced by the

Correct AnswerverifiedShow Answer

What digestive hormone stimulates gall bladder contraction?

Correct AnswerverifiedShow Answer

Deficiencies of brush border enzymes in the small intestine would NOT affect the complete digestion of ________.

Correct AnswerverifiedShow Answer

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