Question 1

Much of the digestion that occurs in the large intestine is caused by ________.

Accepted Answer

A)  lipase
B)  pepsin
C)  saliva
D)  bacteriaE) B) and C)
F) All of the above

Question 2

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 sphincterE) All of the above
F) B) and C) B

Question 3

Factors associated with gallstone formation include ________.

Accepted Answer

A)  rapid weight loss
B)  high fiber intake
C)  being underweight
D)  None of these answers are correct.E) B) and D)
F) B) and C)

Question 4

Which of the following nutrients is NOT acted on by pancreatic juices?

Accepted Answer

A)  Protein
B)  Fat
C)  Carbohydrates
D)  FiberE) A) and B)
F) All of the above

Question 5

Heartburn is caused by ________.

Accepted Answer

A)  acid surrounding the heart muscle
B)  acid and other digestive enzymes within the heart muscle
C)  the backflow of acidic stomach contents into the esophagus
D)  None of these choices are accurate.E) None of the above
F) All of the above

Question 6

Which of the following is NOT an enzyme?

Accepted Answer

A)  Sucrase
B)  Bile
C)  Pepsin
D)  LipaseE) A) and C)
F) All of the above

Question 7

Insufficient production of bile is mostly likely to impair absorption of ________.

Accepted Answer

A)  starch
B)  fat
C)  protein
D)  sugarsE) A) and D)
F) B) and D)

Question 8

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) E) B) and D)
F) A) and B)

Question 9

A sensible idea for preventing constipation is to ________.

Accepted Answer

A)  use a laxative when needed
B)  decrease fluid intake
C)  include more white bread,white rice,and ice cream in the diet
D)  include more whole grain breads,beans,and apples in the dietE) C) and D)
F) B) and C)

Question 10

Diarrhea is most often caused by bacterial or viral infection of the GI tract.

Accepted Answer

A) True 
 B)False

Question 11

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.E) B) and C)
F) All of the above

Question 12

Lymph ________.

Accepted Answer

A)  is like blood,since it contains mostly red blood cells
B)  is a fluid containing blood proteins
C)  recycles nutrients between the liver and the small intestine
D)  transports fat-soluble particles from the intestinal tract to the general circulationE) A) and B)
F) A) and C) D

Question 13

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

Accepted Answer

A)  flatulence
B)  constipation
C)  diarrhea
D)  peptic ulcerE) B) and D)
F) A) and D)

Question 14

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 enzymesE) A) and B)
F) None of the above

Question 15

Most dietary fats will ________.

Accepted Answer

A)  be converted to short-chain fatty acids for absorption with other water-soluble nutrients
B)  enter the lymphatic system
C)  enter the colon and become "food" for bacteria
D)  be converted to bile in the lumen of the intestineE) C) and D)
F) A) and C)

Question 16

The small intestine is divided into three segments.List them in descending order.

Accepted Answer

A)  Ileum,jejunum,duodenum
B)  Jejunum,ileum,duodenum
C)  Duodenum,ileum,jejunum
D)  Duodenum,jejunum,ileumE) B) and C)
F) A) and B)

Question 17

The absorptive process that requires energy in the form of ATP is ________.

Accepted Answer

A)  facilitated diffusion
B)  active absorption
C)  enterohepatic circulation
D)  the lymphatic systemE) B) and C)
F) All of the above

Question 18

Celiac disease is best treated by ________.

Accepted Answer

A)  medication prescribed by a physician
B)  a high-fiber diet
C)  a gluten-free diet
D)  an allergen-free dietE) C) and D)
F) All of the above C

Question 19

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

Accepted Answer

A)  stomach; pancreas
B)  duodenum; kidney
C)  liver; gallbladder
D)  gallbladder; liverE) All of the above
F) A) and D)

Question 20

The breakdown of dietary starch to glucose in the small intestine is considered ________.

Accepted Answer

A)  metabolism
B)  hormonal action
C)  digestion
D)  absorptionE) C) and D)
F) A) and B)

Exam 4: Human Digestion and Absorption

Much of the digestion that occurs in the large intestine is caused by ________.

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 AnswerverifiedB

Factors associated with gallstone formation include ________.

Correct AnswerverifiedShow Answer

Which of the following nutrients is NOT acted on by pancreatic juices?

Correct AnswerverifiedShow Answer

Heartburn is caused by ________.

Correct AnswerverifiedShow Answer

Which of the following is NOT an enzyme?

Correct AnswerverifiedShow Answer

Insufficient production of bile is mostly likely to impair absorption of ________.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

A sensible idea for preventing constipation is to ________.

Correct AnswerverifiedShow Answer

Diarrhea is most often caused by bacterial or viral infection of the GI tract.

Correct AnswerverifiedShow Answer

Functions of the large intestine include ________.

Correct AnswerverifiedShow Answer

Lymph ________.

Correct AnswerverifiedD

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

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

Most dietary fats will ________.

Correct AnswerverifiedShow Answer

The small intestine is divided into three segments.List them in descending order.

Correct AnswerverifiedShow Answer

The absorptive process that requires energy in the form of ATP is ________.

Correct AnswerverifiedShow Answer

Celiac disease is best treated by ________.

Correct AnswerverifiedC

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

Correct AnswerverifiedShow Answer

The breakdown of dietary starch to glucose in the small intestine is considered ________.

Correct AnswerverifiedShow Answer

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B

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D

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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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C

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

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