Question 1

How does digestion occur in the large intestine?

Accepted Answer

A)  The mucosa of the large intestine produces enzymes that begin digestion.
B)  Pancreatic juice flows through the pancreatic duct into the large intestine allowing digestion to occur.
C)  Bile enters the large intestine through the bile duct.
D)  No digestive enzymes are produced in the large intestine but digestion continues from the enzymes present that were secreted or produced in the small intestine.
E)  No digestive enzymes are produced and the digestive enzymes from the small intestine are inactivated in the large intestine so digestion does not occur in the large intestine.

Question 2

Figure 22-2
-Which of the following is not true for the structure labeled "5"?

Accepted Answer

A)  It contributes to the mesentery of the small intestine.
B)  It has a simple squamous epithelium.
C)  It is part of the visceral peritoneum.
D)  It is called the serosa.
E)  It contains brush border enzymes.

Question 3

Identify the segment of the small intestine found within the epigastric region.

Accepted Answer

A)  ileum
B)  ileocecal valve
C)  jejunum
D)  duodenum
E)  cecum

Question 4

The ________ salivary glands are covered by the mucous membrane in the floor of the mouth.

Accepted Answer

A)  mandibular
B)  sublingual
C)  lingual
D)  submandibular
E)  parotid

Question 5

Sensory nerve cells,parasympathetic ganglia,and sympathetic postganglionic fibers can be found in the

Accepted Answer

A)  mucosa.
B)  serosa.
C)  adventitia.
D)  submucosal plexus.
E)  lamina propria.

Question 6

Chief cells secrete

Accepted Answer

A)  pepsinogen.
B)  gastrin.
C)  mucus.
D)  hydrochloric acid.
E)  intrinsic factor.

Question 7

Carbohydrate digestion begins in the

Accepted Answer

A)  mouth.
B)  esophagus.
C)  stomach.
D)  duodenum.
E)  ileum.

Question 8

Figure 22-2
-Which of the following is not found in layer "3"?

Accepted Answer

A)  lymphatic vessels
B)  arteries
C)  veins
D)  lacteals
E)  nerves

Question 9

Identify the four regions of the colon.

Accepted Answer

A)  ileum,cecum,transverse colon,sigmoid colon
B)  duodenum,jejunum,ileum,cecum
C)  cardia,pylorus,body,sigmoid colon
D)  ascending colon,transverse colon,descending colon,sigmoid colon
E)  cecum,sigmoid colon,rectum,anus

Question 10

At the right colic flexure,the colon becomes the

Accepted Answer

A)  ascending colon.
B)  transverse colon.
C)  descending colon.
D)  sigmoid colon.
E)  rectum.

Question 11

What is the function of the salivary glands?

Accepted Answer

A)  produce bile
B)  produce mucin and enzymes
C)  produce acid
D)  produce bases
E)  concentrate and store bile

Question 12

Name the four layers of the digestive tract beginning from the lumen of the digestive tract.

Accepted Answer

A)  serosa,muscular layer,submucosa,mucosa
B)  mucosa,submucosa,muscular layer,serosa
C)  submucosa,mucosa,serosa,muscular layer
D)  mucosa,submucosa,serosa,muscular layer
E)  muscular layer,serosa,submucosa,mucosa

Question 13

At the left colic flexure,the colon becomes the

Accepted Answer

A)  ascending colon.
B)  transverse colon.
C)  descending colon.
D)  sigmoid colon.
E)  rectum.

Question 14

Which of the following statements is false?

Accepted Answer

A)  Secretin and CCK are produced by the stomach and are important hormones in regulating digestion.
B)  Parietal cells are activated during the cephalic phase.
C)  The gastroileal and gastroenteric reflexes accelerate movement of materials throughout the small intestine.
D)  Teniae coli of the large intestine correspond to the muscularis mucosa of the small intestine.
E)  The external anal sphincter is composed of skeletal muscle.

Question 15

The gastric phase of gastric secretion is triggered by the

Accepted Answer

A)  sight,thought,or smell of food.
B)  entry of food into the stomach.
C)  entry of chyme into the small intestine.
D)  entry of chyme into the large intestine.
E)  release of cholecystokinin and secretin by the small intestine.

Question 16

Which salivary gland produces a serous secretion containing large amounts of salivary amylase?

Accepted Answer

A)  mandibular
B)  sublingual
C)  lingual
D)  submandibular
E)  parotid

Question 17

Explain the significance of peritoneal fluid.

Accepted Answer

A)  provide a liquid medium for the intestines to be suspended in
B)  gas exchange occurs in the peritoneal fluid
C)  hormones travel through the peritoneal fluid to their target digestive organs
D)  prevent friction and irritation when digestive organs move
E)  nutrients pass from the digestive lumen into the peritoneal fluid before entering the bloodstream

Question 18

Which other systems work with the digestive system to support the cells and tissues of the human body?

Accepted Answer

A)  reproductive,integumentary,and lymphatic systems
B)  skeletal,muscular,and nervous systems
C)  endocrine,lymphatic and integumentary systems
D)  respiratory,cardiovascular,and urinary systems
E)  nervous,lymphatic,and endocrine systems

Question 19

Which of the following contains adipose tissue and provides padding for the anterior and lateral portions of the abdomen?

Accepted Answer

A)  falciform ligament
B)  greater omentum
C)  mesentery proper
D)  lesser omentum
E)  diaphragm

Question 20

The uvula is located at the

Accepted Answer

A)  posterior of the tongue.
B)  margin of the vestibule.
C)  base of a tooth.
D)  posterior margin of the soft palate.
E)  margin of the oropharynx and the laryngopharynx.

Exam 22: The Digestive System

The uvula is located at the

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Identify the four regions of the colon.

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Which of the following contains adipose tissue and provides padding for the anterior and lateral portions of the abdomen?

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At the right colic flexure,the colon becomes the

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Figure 22-2 -Which of the following is not true for the structure labeled "5"?

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Which of the following statements is false?

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Which salivary gland produces a serous secretion containing large amounts of salivary amylase?

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Which other systems work with the digestive system to support the cells and tissues of the human body?

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The gastric phase of gastric secretion is triggered by the

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What is the function of the salivary glands?

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Explain the significance of peritoneal fluid.

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How does digestion occur in the large intestine?

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Chief cells secrete

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Name the four layers of the digestive tract beginning from the lumen of the digestive tract.

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Carbohydrate digestion begins in the

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Figure 22-2 -Which of the following is not found in layer "3"?

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Identify the segment of the small intestine found within the epigastric region.

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At the left colic flexure,the colon becomes the

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Sensory nerve cells,parasympathetic ganglia,and sympathetic postganglionic fibers can be found in the

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The ________ salivary glands are covered by the mucous membrane in the floor of the mouth.

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