Question 1

Which of the following best describes the chewing of food?

Accepted Answer

A) Emulsification 
B) Mechanical digestion 
C) Peristalsis 
D) Absorption 
A) Emulsification 
B) Mechanical digestion 
C) Peristalsis 
D) Absorption B

Question 2

Which flap of tissue prevents food and water from entering the respiratory passages?

Accepted Answer

A) Appendix 
B) Uvula 
C) Palatine tonsils 
D) Epiglottis 
A) Appendix 
B) Uvula 
C) Palatine tonsils 
D) Epiglottis D

Question 3

Which of the following produces amino acids as its end-product of digestion?

Accepted Answer

A) Bile 
B) Lipase 
C) Trypsin 
D) Amylase 
A) Bile 
B) Lipase 
C) Trypsin 
D) Amylase C

Question 4

These blood vessel structures allow for the mixing of arterial and venous blood in the liver.

Accepted Answer

A) Bile ducts 
B) Venules 
C) Arterioles 
D) Sinusoids 
A) Bile ducts 
B) Venules 
C) Arterioles 
D) Sinusoids

Question 5

Lipases,proteases,and amylases are

Accepted Answer

A) gastric hormones. 
B) synthesized by the liver. 
C) digestive enzymes. 
D) necessary for the emulsifying action of bile. 
A) gastric hormones. 
B) synthesized by the liver. 
C) digestive enzymes. 
D) necessary for the emulsifying action of bile.

Question 6

Impaired hepatic function

Accepted Answer

A) causes a deficiency of intrinsic factor and pernicious anemia. 
B) often causes plasma drug levels to increase to toxic concentrations. 
C) causes lactose intolerance. 
D) causes gastric reflux and pyrosis. 
A) causes a deficiency of intrinsic factor and pernicious anemia. 
B) often causes plasma drug levels to increase to toxic concentrations. 
C) causes lactose intolerance. 
D) causes gastric reflux and pyrosis.

Question 7

Enamel,dentin,and cementum are related to which structure?

Accepted Answer

A) Tooth 
B) Liver 
C) Colon 
D) Villi 
A) Tooth 
B) Liver 
C) Colon 
D) Villi

Question 8

Which of the following is most likely to cause ascites and esophageal varices?

Accepted Answer

A) Common bile duct obstruction 
B) Gallstones 
C) Stenosis of the pyloric valve 
D) Increased portal vein pressure 
A) Common bile duct obstruction 
B) Gallstones 
C) Stenosis of the pyloric valve 
D) Increased portal vein pressure

Question 9

Which of the following is true of lipase?

Accepted Answer

A) Digests fats 
B) Emulsifies fats 
C) Synthesizes fats from fatty acids and glycerol 
D) Stimulates the walls of the duodenum to secrete cholecystokinin 
A) Digests fats 
B) Emulsifies fats 
C) Synthesizes fats from fatty acids and glycerol 
D) Stimulates the walls of the duodenum to secrete cholecystokinin

Question 10

Which of the following describes gastric function?

Accepted Answer

A) Secretion of intrinsic factor 
B) Secretion of HCl 
C) Delivery of chyme to the duodenum 
D) All of the above 
A) Secretion of intrinsic factor 
B) Secretion of HCl 
C) Delivery of chyme to the duodenum 
D) All of the above

Question 11

The mesentery,mesocolon,and omentum are

Accepted Answer

A) peritoneal membranes. 
B) mucous membranes. 
C) located within the thorax. 
D) segments of the small intestine. 
A) peritoneal membranes. 
B) mucous membranes. 
C) located within the thorax. 
D) segments of the small intestine.

Question 12

Paralytic ileus is the

Accepted Answer

A) inability to swallow. 
B) aspiration of food into the respiratory structures. 
C) slowing or cessation of GI motility. 
D) herniation of the fundus of the stomach into the thoracic cavity. 
A) inability to swallow. 
B) aspiration of food into the respiratory structures. 
C) slowing or cessation of GI motility. 
D) herniation of the fundus of the stomach into the thoracic cavity.

Question 13

Which of the following does not communicate with the common bile duct?

Accepted Answer

A) Cystic duct 
B) Duodenum 
C) Portal vein 
D) Hepatic duct 
A) Cystic duct 
B) Duodenum 
C) Portal vein 
D) Hepatic duct

Question 14

Fat digestion is accomplished by

Accepted Answer

A) chyme and trypsin. 
B) bile and lipase. 
C) chyle and bile. 
D) amylase and ptyalin. 
A) chyme and trypsin. 
B) bile and lipase. 
C) chyle and bile. 
D) amylase and ptyalin.

Question 15

Which statement is true?

Accepted Answer

A) Cholecystokinin is an amylase. 
B) Secretin is stored in the gallbladder. 
C) Trypsin is secreted by the liver. 
D) Trypsin is an enzyme that digests protein. 
A) Cholecystokinin is an amylase. 
B) Secretin is stored in the gallbladder. 
C) Trypsin is secreted by the liver. 
D) Trypsin is an enzyme that digests protein.

Question 16

What is the site of absorption for most end-products of digestion?

Accepted Answer

A) Duodenum and jejunum 
B) Ileum 
C) Colon 
D) Stomach 
A) Duodenum and jejunum 
B) Ileum 
C) Colon 
D) Stomach

Question 17

The appendix is attached to which structure?

Accepted Answer

A) Cecum 
B) Stomach 
C) Pylorus 
D) Sigmoid 
A) Cecum 
B) Stomach 
C) Pylorus 
D) Sigmoid

Question 18

Which structure contains the villi,microvilli,and brush border cells?

Accepted Answer

A) Stomach 
B) Esophagus 
C) Cecum 
D) Duodenum 
A) Stomach 
B) Esophagus 
C) Cecum 
D) Duodenum

Question 19

The wall of which structure secretes cholecystokinin?

Accepted Answer

A) Stomach 
B) Pylorus 
C) Duodenum 
D) Cecum 
A) Stomach 
B) Pylorus 
C) Duodenum 
D) Cecum

Question 20

Which of the following is true of the following: pepsin,trypsin,amylase,and lipase? All are

Accepted Answer

A) proteases. 
B) emulsifying agents. 
C) hormones secreted by the GI tract. 
D) digestive enzymes. 
A) proteases. 
B) emulsifying agents. 
C) hormones secreted by the GI tract. 
D) digestive enzymes.

Exam 23: Digestive System

Which of the following best describes the chewing of food?

Which flap of tissue prevents food and water from entering the respiratory passages?

Which of the following produces amino acids as its end-product of digestion?

These blood vessel structures allow for the mixing of arterial and venous blood in the liver.

Lipases,proteases,and amylases are

Impaired hepatic function

Enamel,dentin,and cementum are related to which structure?

Which of the following is most likely to cause ascites and esophageal varices?

Which of the following is true of lipase?

Which of the following describes gastric function?

The mesentery,mesocolon,and omentum are

Paralytic ileus is the

Which of the following does not communicate with the common bile duct?

Fat digestion is accomplished by

Which statement is true?

What is the site of absorption for most end-products of digestion?

The appendix is attached to which structure?

Which structure contains the villi,microvilli,and brush border cells?

The wall of which structure secretes cholecystokinin?

Which of the following is true of the following: pepsin,trypsin,amylase,and lipase? All are

Introduction to the Human Body

Basic Chemistry

Cells

Cell Metabolism

Microbiology Basics

Tissues 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 and Special Circulations

Functions of the Blood Vessels

Lymphatic System

Immune System

Respiratory System

Urinary System

Water, Electrolyte, and Acidbase Balance

Reproductive Systems

Human Development and Heredity

Filters