Question 1

What is the primary function of the large intestine?

Accepted Answer

A)  secretion of potent digestive enzymes 
B)  absorption of water and electrolytes 
C)  absorption of digestion byproducts 
D)  secretion of CCK 
A)  secretion of potent digestive enzymes 
B)  absorption of water and electrolytes 
C)  absorption of digestion byproducts 
D)  secretion of CCK B

Question 2

A paralytic ileus is a:

Accepted Answer

A)  deficiency of digestive enzymes, resulting in malabsorption. 
B)  cessation of peristalsis. 
C)  consequence of hyperacidity. 
D)  major cause of peritonitis. 
A)  deficiency of digestive enzymes, resulting in malabsorption. 
B)  cessation of peristalsis. 
C)  consequence of hyperacidity. 
D)  major cause of peritonitis. B

Question 3

Chyme is:

Accepted Answer

A)  delivered to the liver by the stomach. 
B)  a pastelike mixture produced by the stomach's grinding muscles. 
C)  found in the lacteals. 
D)  formed in the mouth in response to ptyalin. 
A)  delivered to the liver by the stomach. 
B)  a pastelike mixture produced by the stomach's grinding muscles. 
C)  found in the lacteals. 
D)  formed in the mouth in response to ptyalin. B

Question 4

The emulsification of fats is facilitated by:

Accepted Answer

A)  bile. 
B)  proteolytic enzymes. 
C)  pepsin. 
D)  enterokinase. 
A)  bile. 
B)  proteolytic enzymes. 
C)  pepsin. 
D)  enterokinase.

Question 5

The mesentery, omentum, and peritoneal membranes:

Accepted Answer

A)  are located within the alimentary canal. 
B)  secrete mucus. 
C)  secrete digestive enzymes. 
D)  are serous membranes within the abdominal cavity. 
A)  are located within the alimentary canal. 
B)  secrete mucus. 
C)  secrete digestive enzymes. 
D)  are serous membranes within the abdominal cavity.

Question 6

An amylase:

Accepted Answer

A)  digests fats. 
B)  emulsifies fat. 
C)  digests carbohydrates. 
D)  assembles amino acids into small peptides. 
A)  digests fats. 
B)  emulsifies fat. 
C)  digests carbohydrates. 
D)  assembles amino acids into small peptides.

Question 7

If the peristalsis in the large intestine slows, then:

Accepted Answer

A)  all waste will be absorbed across the colon wall into the hepatic portal. 
B)  water absorption across the wall of the colon increases, thereby causing a dry or constipated stool. 
C)  the person develops diarrhea. 
D)  bile refluxes into the main pancreatic duct. 
A)  all waste will be absorbed across the colon wall into the hepatic portal. 
B)  water absorption across the wall of the colon increases, thereby causing a dry or constipated stool. 
C)  the person develops diarrhea. 
D)  bile refluxes into the main pancreatic duct.

Question 8

Which of the following is not true of the biliary tree?

Accepted Answer

A)  It includes the hepatic ducts, cystic duct, and common bile duct. 
B)  It carries bile. 
C)  It empties bile into the portal vein. 
D)  It "connects" the liver, gallbladder, and duodenum. 
A)  It includes the hepatic ducts, cystic duct, and common bile duct. 
B)  It carries bile. 
C)  It empties bile into the portal vein. 
D)  It "connects" the liver, gallbladder, and duodenum.

Question 9

Bile is:

Accepted Answer

A)  synthesized by the gallbladder and stored in the liver. 
B)  classified as a lipase. 
C)  synthesized by the pancreas. 
D)  stored by the gallbladder and released in response to cholecystokinin (CCK). 
A)  synthesized by the gallbladder and stored in the liver. 
B)  classified as a lipase. 
C)  synthesized by the pancreas. 
D)  stored by the gallbladder and released in response to cholecystokinin (CCK).

Question 10

Why are medications absorbed rapidly when administered sublingually (under the tongue)?

Accepted Answer

A)  Acid in the saliva dissolves the drugs rapidly. 
B)  Ptyalin from the salivary glands digests the drug, making them absorbable. 
C)  The rich supply of blood vessels under the tongue absorbs the drug. 
D)  The warmth of the tongue dissolves the drugs quickly. 
A)  Acid in the saliva dissolves the drugs rapidly. 
B)  Ptyalin from the salivary glands digests the drug, making them absorbable. 
C)  The rich supply of blood vessels under the tongue absorbs the drug. 
D)  The warmth of the tongue dissolves the drugs quickly.

What is the primary function of the large intestine?

A paralytic ileus is a:

Chyme is:

The emulsification of fats is facilitated by:

The mesentery, omentum, and peritoneal membranes:

An amylase:

If the peristalsis in the large intestine slows, then:

Which of the following is not true of the biliary tree?

Bile is:

Why are medications absorbed rapidly when administered sublingually (under the tongue)?

Introduction to the Human Body

Basic Chemistry

Cells

Cell Metabolism

Microbiology Basics

Ttissues and Membranes

Integumentary System and Body Temperature

Skeletal System

Muscular System

Nervous System: Nervous Tissue and Brain

Nervous System: Spinal Cord and Peripheral Nerves

Autonomic Nervous System

Sensory System

Endocrine System

Blood

Anatomy of the Heart

Function of the Heart

Anatomy of the Blood Vessels

Functions of the Blood Vessels

Lymphatic System

Immune System

Respiratory System

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive Systems

Human Development and Heredity

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Exam 23: Digestive System

What is the primary function of the large intestine?

A paralytic ileus is a:

Chyme is:

The emulsification of fats is facilitated by:

The mesentery, omentum, and peritoneal membranes:

An amylase:

If the peristalsis in the large intestine slows, then:

Which of the following is not true of the biliary tree?

Bile is:

Why are medications absorbed rapidly when administered sublingually (under the tongue)?

Introduction to the Human Body

Basic Chemistry

Cells

Cell Metabolism

Microbiology Basics

Ttissues and Membranes

Integumentary System and Body Temperature

Skeletal System

Muscular System

Nervous System: Nervous Tissue and Brain

Nervous System: Spinal Cord and Peripheral Nerves

Autonomic Nervous System

Sensory System

Endocrine System

Blood

Anatomy of the Heart

Function of the Heart

Anatomy of the Blood Vessels

Functions of the Blood Vessels

Lymphatic System

Immune System

Respiratory System

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive Systems

Human Development and Heredity

Filters