Question 1

The sphincter that allows chyme to pass into the small intestine is known as the

Accepted Answer

A)   lower esophageal sphincter.
B)   sphincter of Oddi.
C)   pyloric sphincter.
D)   ileocecal sphincter.

Question 2

Describe the major function of each organ used in the digestive process.

Accepted Answer

The major organs involved in the digesti...

Question 3

Saliva contains

Accepted Answer

A)   an amylase.
B)   mucus.
C)   intrinsic factor.
D)   an amylase and mucus.

Question 4

Which of the following is NOT true about inflammatory bowel disease (IBD) ?

Accepted Answer

A)   The most common types are ulcerative colitis and Crohn's disease.
B)   It can cause inflammation and ulceration throughout the gastrointestinal tract.
C)   IBD is caused by a reaction to proteins in foods.
D)   Nutritional problems related to IBD include anemia, osteoporosis and poor growth (in children) . C

Question 5

Functions of the large intestine include

Accepted Answer

A)   housing bacterial flora that keep the GI tract healthy.
B)   absorption of water and electrolytes, especially sodium and potassium.
C)   the defecation of feces.
D)   All of these responses are correct.

Question 6

At the beginning of a meal,the hormone _______ is secreted from the stomach; this hormone controls the release of _______.

Accepted Answer

A)   pepsinogen; pepsin
B)   gastrin; HCl
C)   bile; lipase
D)   cholecystokinin; pancreatic enzymes

Question 7

In celiac disease,the protein gluten damages the intestinal villi.Describe why this damage often results in significant malabsorption and malnutrition.

Accepted Answer

When the protein gluten damages the inte...

Question 8

Oral rehydration therapy,used to treat diarrhea in infants and children,consists of a solution of

Accepted Answer

A)   protein in water.
B)   antibiotics in water.
C)   sodium, potassium, chloride, and glucose in water.
D)   vitamins in water.

Question 9

Water-soluble nutrients enter into the body by way of

Accepted Answer

A)   the blood.
B)   the lymph system.
C)   both the blood and the lymph system.
D)   neither the blood nor the lymph system.

Question 10

The secretions of the gallbladder,liver,and pancreas enter the

Accepted Answer

A)   ileum, by way of a common duct.
B)   duodenum, by way of the sphincter of Oddi.
C)   stomach, by way of a common duct.
D)   jejunum, by way of the sphincter of Oddi. B

Question 11

The hepatic portal system delivers nutrients from the digestive tract to the

Accepted Answer

A)   heart.
B)   liver.
C)   kidneys.
D)   lungs.

Question 12

Which of the following digestive disorders is caused by the bacterium Helicobacter pylori?

Accepted Answer

A)   flatulence
B)   constipation
C)   diarrhea
D)   peptic ulcer

Question 13

The bacteria that usually inhabit the large intestine are prevented from backing up into the ileum by the action of the

Accepted Answer

A)   sphincter of Oddi.
B)   ileocecal sphincter.
C)   pyloric sphincter.
D)   rectal sphincter.

Question 14

Amino acids and glucose enter cells by

Accepted Answer

A)   active transport.
B)   passive diffusion.
C)   facilitated diffusion.
D)   endocytosis.

Question 15

An example of a prebiotic is

Accepted Answer

A)   a food that contains a naturally occurring antibiotic.
B)   cheese, because of its short-chain fatty acid content.
C)   any food that contains organic acids and short-chain fatty acids.
D)   inulin, a poorly-digested carbohydrate found in foods such as onions, garlic, and asparagus.

Question 16

A main cause of intestinal gas formation is

Accepted Answer

A)   a lack of bacteria in the large intestine.
B)   the breakdown of undigested carbohydrates by bacteria in the large intestine.
C)   insufficient bile production for fat digestion and absorption.
D)   All of these choices are correct.

Question 17

Which of the following is NOT an enzyme?

Accepted Answer

A)   Sucrase
B)   Bile
C)   Pepsin
D)   Lipase

Question 18

Bile is formed in the ___________ and stored in the ___________.

Accepted Answer

A)   stomach; pancreas
B)   duodenum; kidney
C)   liver; gallbladder
D)   gallbladder; liver

Question 19

Which of the following is NOT an appropriate recommendation for treatment of peptic ulcer disease?

Accepted Answer

A)   Limit heavy use of aspirin and other NSAID medications.
B)   Consume a bland diet with only easily digested foods.
C)   Treat with an antibiotic under the care of a physician.
D)   Stop smoking and limit alcohol intake.

Question 20

The chemical reaction sucrose + H2O  →\rarr→  fructose + glucose is an example of a ___________ reaction.

Accepted Answer

A)   hydrolysis
B)   synthetic
C)   hormonal
D)   carboxylase  A

Exam 4: Human Digestion and Absorption

The sphincter that allows chyme to pass into the small intestine is known as the

Correct AnswerverifiedShow Answer

Describe the major function of each organ used in the digestive process.

Correct AnswerAnswered by ExamLex AIThe major organs involved in the digesti...View AnswerShow Answer

Saliva contains

Correct AnswerverifiedShow Answer

Which of the following is NOT true about inflammatory bowel disease (IBD) ?

Correct AnswerverifiedC

Functions of the large intestine include

Correct AnswerverifiedShow Answer

At the beginning of a meal,the hormone _______ is secreted from the stomach; this hormone controls the release of _______.

Correct AnswerverifiedShow Answer

In celiac disease,the protein gluten damages the intestinal villi.Describe why this damage often results in significant malabsorption and malnutrition.

Correct AnswerAnswered by ExamLex AIWhen the protein gluten damages the inte...View AnswerShow Answer

Oral rehydration therapy,used to treat diarrhea in infants and children,consists of a solution of

Correct AnswerverifiedShow Answer

Water-soluble nutrients enter into the body by way of

Correct AnswerverifiedShow Answer

The secretions of the gallbladder,liver,and pancreas enter the

Correct AnswerverifiedB

The hepatic portal system delivers nutrients from the digestive tract to the

Correct AnswerverifiedShow Answer

Which of the following digestive disorders is caused by the bacterium Helicobacter pylori?

Correct AnswerverifiedShow Answer

The bacteria that usually inhabit the large intestine are prevented from backing up into the ileum by the action of the

Correct AnswerverifiedShow Answer

Amino acids and glucose enter cells by

Correct AnswerverifiedShow Answer

An example of a prebiotic is

Correct AnswerverifiedShow Answer

A main cause of intestinal gas formation is

Correct AnswerverifiedShow Answer

Which of the following is NOT an enzyme?

Correct AnswerverifiedShow Answer

Bile is formed in the ___________ and stored in the ___________.

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Which of the following is NOT an appropriate recommendation for treatment of peptic ulcer disease?

Correct AnswerverifiedShow Answer

The chemical reaction sucrose + H2O →\rarr→ fructose + glucose is an example of a ___________ reaction.

Correct AnswerverifiedA

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Answered by ExamLex AI
The major organs involved in the digesti...
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C

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At the beginning of a meal,the hormone _ is secreted from the stomach; this hormone controls the release of _.

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When the protein gluten damages the inte...
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B

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Bile is formed in the _ and stored in the _.

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The chemical reaction sucrose + H₂O $\rarr$ fructose + glucose is an example of a ___________ reaction.

Correct Answer
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A