Question 1

One of the major functions of the large intestine is to

Accepted Answer

A)   secrete digestive enzymes.
B)   reabsorb water from chyme.
C)   regulate the release of bile.
D)   break down hemoglobin.
E)   digest alcohol.F) A) and D)
G) C) and E)

Question 2

The __________ is a valve that controls the movement of food between the stomach and small intestine.

Accepted Answer

The answer of The __________ is a valve that controls...

Question 3

The alimentary canal extends,in its entirety,from

Accepted Answer

A)   the mouth to the large intestine.
B)   the stomach to the small intestine.
C)   the liver to the gallbladder.
D)   the mouth to the anus.
E)   the anus to the pharynx.F) B) and D)
G) None of the above

Question 4

During the defecation reflex,

Accepted Answer

A)   the diaphragm lowers.
B)   the glottis opens.
C)   abdominal wall muscles relax.
D)   internal abdominal pressure decreases.
E)   none of the above happens.F) A) and B)
G) B) and D)

Question 5

The parietal cells of gastric glands secrete

Accepted Answer

A)   mucus.
B)   pepsinogen.
C)   hydrochloric acid.
D)   pepsin.
E)   gastrin.F) A) and E)
G) B) and C)

Question 6

All of the enzymes that digest protein are

Accepted Answer

A)   secreted by the pancreas.
B)   activated by hydrochloric acid.
C)   secreted in an inactive form.
D)   stimulated by enterokinase.
E)   secreted by the liver.F) A) and E)
G) D) and E)

Question 7

Fat molecules with longer chains of carbon atoms are transported away from the small intestine by means of ___________.

Accepted Answer

The answer of Fat molecules with longer chains of carbon...

Question 8

The epithelial cells that form the inner lining of the small intestine

Accepted Answer

A)   are replaced every few days.
B)   are not able to reproduce.
C)   are permanent parts of the villi.
D)   remain where they are first formed.
E)   differentiate into adipose cells.F) None of the above
G) B) and C)

Question 9

Salivary amylase digests

Accepted Answer

A)   carbohydrates.
B)   proteins.
C)   fats.
D)   vitamins.
E)   all of the above.F) C) and D)
G) None of the above

Question 10

The uvula is

Accepted Answer

A)   a type of tooth.
B)   a projection of the soft palate.
C)   a part of the female reproductive system.
D)   part of the tongue.
E)   a flap of tissue that keeps food from entering the respiratory system.F) A) and E)
G) None of the above

Question 11

__________ refers to the mixing movements in the alimentary canal;it is accomplished by alternately contracting and relaxing nonadjacent segments.

Accepted Answer

The answer of __________ refers to the mixing movements in...

Question 12

Cholecystokinin,a hormone released from intestinal mucosa by the presence of fats,stimulates the gallbladder to contract and release bile into the duodenum.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following is a protein-splitting enzyme found in pancreatic juice?

Accepted Answer

A)   trypsin
B)   zymogen
C)   amylase
D)   nuclease
E)   pancreaseF) D) and E)
G) C) and D)

Question 14

Plant proteins typically contain less than adequate amounts of

Accepted Answer

A)   essential amino acids.
B)   nonessential amino acids.
C)   dipeptides.
D)   polypeptides.
E)   all of the above.F) B) and E)
G) All of the above

Question 15

The teeth that are best adapted for biting off relatively large pieces of food are the

Accepted Answer

A)   incisors.
B)   canines.
C)   bicuspids.
D)   molars.
E)   premolars.F) A) and E)
G) B) and E)

Question 16

The movement of chyme through the small intestine is increased by parasympathetic impulses and is inhibited by sympathetic impulses.

Accepted Answer

A) True 
 B)False

Question 17

Acute pancreatitis is often caused by the conversion of

Accepted Answer

A)   trypsin to trypsinogen.
B)   trypsinogen to trypsin.
C)   pepsin to pepsinogen.
D)   pepsinogen to pepsin.
E)   proinsulin to insulin.F) B) and E)
G) C) and D)

Question 18

The vomiting center is located in the __________ of the brain.

Accepted Answer

The answer of The vomiting center is located in the...

Question 19

Bile salts function as digestive enzymes to break down fatty acids.

Accepted Answer

A) True 
 B)False

Question 20

Gallstones are usually composed of

Accepted Answer

A)   calcium salts.
B)   uric acid.
C)   cholesterol.
D)   bile pigments.
E)   electrolytes.F) A) and D)
G) A) and C)

Exam 15: Digestive System and Nutrition

The vomiting center is located in the __________ of the brain.

Correct AnswerverifiedShow Answer

The uvula is

Correct AnswerverifiedShow Answer

The __________ is a valve that controls the movement of food between the stomach and small intestine.

Correct AnswerverifiedShow Answer

The teeth that are best adapted for biting off relatively large pieces of food are the

Correct AnswerverifiedShow Answer

Acute pancreatitis is often caused by the conversion of

Correct AnswerverifiedShow Answer

During the defecation reflex,

Correct AnswerverifiedShow Answer

__________ refers to the mixing movements in the alimentary canal;it is accomplished by alternately contracting and relaxing nonadjacent segments.

Correct AnswerverifiedShow Answer

One of the major functions of the large intestine is to

Correct AnswerverifiedShow Answer

Cholecystokinin,a hormone released from intestinal mucosa by the presence of fats,stimulates the gallbladder to contract and release bile into the duodenum.

Correct AnswerverifiedShow Answer

The parietal cells of gastric glands secrete

Correct AnswerverifiedShow Answer

Bile salts function as digestive enzymes to break down fatty acids.

Correct AnswerverifiedShow Answer

Salivary amylase digests

Correct AnswerverifiedShow Answer

Which of the following is a protein-splitting enzyme found in pancreatic juice?

Correct AnswerverifiedShow Answer

The epithelial cells that form the inner lining of the small intestine

Correct AnswerverifiedShow Answer

Gallstones are usually composed of

Correct AnswerverifiedShow Answer

All of the enzymes that digest protein are

Correct AnswerverifiedShow Answer

Plant proteins typically contain less than adequate amounts of

Correct AnswerverifiedShow Answer

The movement of chyme through the small intestine is increased by parasympathetic impulses and is inhibited by sympathetic impulses.

Correct AnswerverifiedShow Answer

The alimentary canal extends,in its entirety,from

Correct AnswerverifiedShow Answer

Fat molecules with longer chains of carbon atoms are transported away from the small intestine by means of ___________.

Correct AnswerverifiedShow Answer

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