Question 1

What is the chief organ of drug detoxification?

Accepted Answer

A)  Pancreas 
B)  Cecum 
C)  Liver 
D)  Stomach 
A)  Pancreas 
B)  Cecum 
C)  Liver 
D)  Stomach

Question 2

Which condition is most likely to be caused by pyloric stenosis?

Accepted Answer

A)  Diarrhea 
B)  Jaundice 
C)  Projectile vomiting 
D)  Ascites 
A)  Diarrhea 
B)  Jaundice 
C)  Projectile vomiting 
D)  Ascites

Question 3

Which organ produces bile and secretes it into the hepatic ducts?

Accepted Answer

A)  Pancreas 
B)  Gallbladder 
C)  Spleen 
D)  Liver 
A)  Pancreas 
B)  Gallbladder 
C)  Spleen 
D)  Liver

Question 4

Emulsification is most associated with which substance?

Accepted Answer

A)  Trypsin 
B)  Hydrochloric acid 
C)  Bile 
D)  Ptyalin 
A)  Trypsin 
B)  Hydrochloric acid 
C)  Bile 
D)  Ptyalin

Question 5

Lactose intolerance is a _____ problem.

Accepted Answer

A)  disaccharidase 
B)  HCl 
C)  bile 
D)  cholecystokinin (CCK) 
A)  disaccharidase 
B)  HCl 
C)  bile 
D)  cholecystokinin (CCK)

Question 6

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

Question 7

Amylases

Accepted Answer

A)  digest carbohydrates. 
B)  emulsify fat. 
C)  are gastric hormones. 
D)  are proteolytic. 
A)  digest carbohydrates. 
B)  emulsify fat. 
C)  are gastric hormones. 
D)  are proteolytic.

Question 8

Which enzyme is found in saliva?

Accepted Answer

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

Question 9

Which membrane resembles an apron draped over the abdominal organs?

Accepted Answer

A)  Cecum 
B)  Omentum 
C)  Cementum 
D)  Gingiva 
A)  Cecum 
B)  Omentum 
C)  Cementum 
D)  Gingiva

Question 10

Which group is incorrect?

Accepted Answer

A)  Cells in the stomach: chief, parietal, mucus-secreting 
B)  Hormones: gastrin, secretin, cholecystokinin 
C)  Blood vessels of the portal system: portal vein, superior mesenteric vein, splenic vein 
D)  Biliary tree structures: cystic duct, portal vein, common bile duct 
A)  Cells in the stomach: chief, parietal, mucus-secreting 
B)  Hormones: gastrin, secretin, cholecystokinin 
C)  Blood vessels of the portal system: portal vein, superior mesenteric vein, splenic vein 
D)  Biliary tree structures: cystic duct, portal vein, common bile duct

Question 11

What is the sphincter that allows food to enter the stomach from the esophagus?

Accepted Answer

A)  Sphincter of Oddi 
B)  Pyloric sphincter 
C)  Lower esophageal sphincter 
D)  Oral sphincter 
A)  Sphincter of Oddi 
B)  Pyloric sphincter 
C)  Lower esophageal sphincter 
D)  Oral sphincter

Question 12

The pyloric sphincter is located between the duodenum and what structure?

Accepted Answer

A)  Stomach 
B)  Common bile duct 
C)  Jejunum 
D)  Esophagus 
A)  Stomach 
B)  Common bile duct 
C)  Jejunum 
D)  Esophagus

Question 13

The cecum,colon,and rectum are parts of which structure?

Accepted Answer

A)  Hepatic portal system 
B)  Small intestine 
C)  Large intestine 
D)  Biliary tree 
A)  Hepatic portal system 
B)  Small intestine 
C)  Large intestine 
D)  Biliary tree

Question 14

The primary function of which organ is to deliver chyme to the duodenum at the proper rate?

Accepted Answer

A)  Esophagus 
B)  Colon 
C)  Liver 
D)  Stomach 
A)  Esophagus 
B)  Colon 
C)  Liver 
D)  Stomach

Question 15

The duodenum

Accepted Answer

A)  receives partially digested food from the jejunum. 
B)  pumps food through the sphincter of Oddi into the ampulla of Vater. 
C)  is the site where most digestion and absorption occur. 
D)  forms both the hepatic and splenic flexures. 
A)  receives partially digested food from the jejunum. 
B)  pumps food through the sphincter of Oddi into the ampulla of Vater. 
C)  is the site where most digestion and absorption occur. 
D)  forms both the hepatic and splenic flexures.

Question 16

Which of the following refers to the roof of the mouth?

Accepted Answer

A)  Uvula 
B)  Tonsil 
C)  Frenulum 
D)  Palate 
A)  Uvula 
B)  Tonsil 
C)  Frenulum 
D)  Palate

Question 17

What is the most important nerve of the digestive tract?

Accepted Answer

A)  Phrenic 
B)  Sciatic 
C)  Vagus 
D)  Olfactory 
A)  Phrenic 
B)  Sciatic 
C)  Vagus 
D)  Olfactory

Question 18

The vagus nerve

Accepted Answer

A)  innervates only the upper GI tract. 
B)  is sympathetic. 
C)  secretes norepinephrine as its neurotransmitter. 
D)  speeds up gut motility and secretion. 
A)  innervates only the upper GI tract. 
B)  is sympathetic. 
C)  secretes norepinephrine as its neurotransmitter. 
D)  speeds up gut motility and secretion.

Question 19

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 20

The sphincter of Oddi,ampulla of Vater,and cystic duct

Accepted Answer

A)  drain into the portal vein. 
B)  are biliary structures. 
C)  carry pancreatic enzymes to the duodenum. 
D)  connect the pylorus to the duodenum. 
A)  drain into the portal vein. 
B)  are biliary structures. 
C)  carry pancreatic enzymes to the duodenum. 
D)  connect the pylorus to the duodenum.

Exam 23: Digestive System

What is the chief organ of drug detoxification?

Which condition is most likely to be caused by pyloric stenosis?

Which organ produces bile and secretes it into the hepatic ducts?

Emulsification is most associated with which substance?

Lactose intolerance is a _____ problem.

Which of the following best describes the chewing of food?

Amylases

Which enzyme is found in saliva?

Which membrane resembles an apron draped over the abdominal organs?

Which group is incorrect?

What is the sphincter that allows food to enter the stomach from the esophagus?

The pyloric sphincter is located between the duodenum and what structure?

The cecum,colon,and rectum are parts of which structure?

The primary function of which organ is to deliver chyme to the duodenum at the proper rate?

The duodenum

Which of the following refers to the roof of the mouth?

What is the most important nerve of the digestive tract?

The vagus nerve

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

The sphincter of Oddi,ampulla of Vater,and cystic duct

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

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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