Question 1

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

Accepted Answer

A)  Protein
B)  Fat
C)  Carbohydrates
D)  FiberE) A) and C)
F) A) and D)

Question 2

Which of the following is NOT an enzyme?

Accepted Answer

A)  Sucrase
B)  Bile
C)  Pepsin
D)  LipaseE) C) and D)
F) B) and D)

Question 3

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) B) and C)
F) A) and C)

Question 4

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

Accepted Answer

A) True 
 B)False

Question 5

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

Accepted Answer

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

Question 6

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

Accepted Answer

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

Question 7

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) A) and D)
F) B) and C)

Question 8

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) A) and B)
F) C) and D)

Question 9

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) C) and D)
F) B) and D) B

Question 10

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

Accepted Answer

A)  starch
B)  fat
C)  protein
D)  sugarsE) B) and D)
F) All of the above

Question 11

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) B) and D)
F) B) and C)

Question 12

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

Question 13

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) A) and B)
F) A) and C)

Question 14

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) A) and C)
F) A) and D)

Question 15

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

Accepted Answer

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

Question 16

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) B) and D)
F) B) and C)

Question 17

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) All of the above
F) C) and D)

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) A) and D)
F) B) and D) C

Question 19

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

Accepted Answer

A)  flatulence
B)  constipation
C)  diarrhea
D)  peptic ulcerE) A) and C)
F) All of the above

Question 20

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 D)
F) A) and B) D

Exam 4: Human Digestion and Absorption

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

Correct AnswerverifiedShow Answer

Which of the following is NOT an enzyme?

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

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

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

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

Correct AnswerverifiedShow Answer

Heartburn is caused by ________.

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

Factors associated with gallstone formation include ________.

Correct AnswerverifiedShow Answer

Functions of the large intestine include ________.

Correct AnswerverifiedShow Answer

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

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

Celiac disease is best treated by ________.

Correct AnswerverifiedC

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

Correct AnswerverifiedShow Answer

Lymph ________.

Correct AnswerverifiedD

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

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B

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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

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D