Question 1

The role of acetylcholine in the digestive tract is to _________,while the role of norepinephrine is to ______.

Accepted Answer

A) stimulate,stimulate 
B) stimulate,inhibit 
C) inhibit,inhibit 
D) inhibit,stimulate 
A) stimulate,stimulate 
B) stimulate,inhibit 
C) inhibit,inhibit 
D) inhibit,stimulate

Question 2

The mucosa of the colon

Accepted Answer

A) contains many mucus-secreting goblet cells. 
B) exchanges sodium ions for chloride ions. 
C) actively secretes sodium and chloride ions. 
D) produces enzymes that complete lipid digestion. 
E) consists of stratified columnar epithelium. 
A) contains many mucus-secreting goblet cells. 
B) exchanges sodium ions for chloride ions. 
C) actively secretes sodium and chloride ions. 
D) produces enzymes that complete lipid digestion. 
E) consists of stratified columnar epithelium.

Question 3

Enterokinase

Accepted Answer

A) is a hormone. 
B) triggers the release of bile from the gallbladder. 
C) activates trypsinogen. 
D) increases duodenal motility. 
E) digests proteins. 
A) is a hormone. 
B) triggers the release of bile from the gallbladder. 
C) activates trypsinogen. 
D) increases duodenal motility. 
E) digests proteins.

Question 4

Inflammation of the stomach mucosa in the area superior to the pyloric sphincter is most appropriately referred to as

Accepted Answer

A) esophagitis. 
B) a duodenal ulcer. 
C) a hiatal hernia. 
D) gastric ulcer. 
E) indigestion. 
A) esophagitis. 
B) a duodenal ulcer. 
C) a hiatal hernia. 
D) gastric ulcer. 
E) indigestion.

Question 5

Match the enzyme with the products of its digestive activity.
-lactase

Accepted Answer

A) glucose and galactose 
B) amino acids 
C) fatty acids and glycerol 
D) maltose and isomaltose 
E) polysaccharides and disaccharides 
A) glucose and galactose 
B) amino acids 
C) fatty acids and glycerol 
D) maltose and isomaltose 
E) polysaccharides and disaccharides

Question 6

Match the enzyme or hormone with the organ that produces it.
-cholecystokinin

Accepted Answer

A) salivary glands 
B) stomach 
C) liver 
D) small intestine 
E) pancreas 
A) salivary glands 
B) stomach 
C) liver 
D) small intestine 
E) pancreas

Question 7

Strong peristaltic contractions in the large intestine are called

Accepted Answer

A) segmental contractions. 
B) churning contractions. 
C) mass movements. 
D) rectal propulsions. 
E) defecation. 
A) segmental contractions. 
B) churning contractions. 
C) mass movements. 
D) rectal propulsions. 
E) defecation.

Question 8

Abdominal organs that lie against the body wall and have no mesenteries are said to be

Accepted Answer

A) retroperitoneal. 
B) antiperitoneal. 
C) falciperitoneal. 
D) hyperperitoneal. 
E) mesoperitoneal. 
A) retroperitoneal. 
B) antiperitoneal. 
C) falciperitoneal. 
D) hyperperitoneal. 
E) mesoperitoneal.

Question 9

Which of the following is located closest to the rectum?

Accepted Answer

A) ascending colon 
B) descending colon 
C) transverse colon 
D) sigmoid colon 
E) cecum 
A) ascending colon 
B) descending colon 
C) transverse colon 
D) sigmoid colon 
E) cecum

Question 10

What is ascites?

Accepted Answer

A) The excess accumulation of fluid in the abdomen 
B) The increased absorption of water from the chime in the colon 
C) The increased secretion of digestive enzymes due to nervous stimulation 
D) The rapid elimination of feces due to toxin production 
A) The excess accumulation of fluid in the abdomen 
B) The increased absorption of water from the chime in the colon 
C) The increased secretion of digestive enzymes due to nervous stimulation 
D) The rapid elimination of feces due to toxin production

Question 11

Match the enzyme with the products of its digestive activity.
-salivary amylase

Accepted Answer

A) glucose and galactose 
B) amino acids 
C) fatty acids and glycerol 
D) maltose and isomaltose 
E) polysaccharides and disaccharides 
A) glucose and galactose 
B) amino acids 
C) fatty acids and glycerol 
D) maltose and isomaltose 
E) polysaccharides and disaccharides

Question 12

Secretions that are added as food moves through the GI tract assist in

Accepted Answer

A) liquefying and digesting the food. 
B) vitamin A and D production and storage. 
C) distribution of nutrients throughout the body. 
D) insulin production. 
E) bile production. 
A) liquefying and digesting the food. 
B) vitamin A and D production and storage. 
C) distribution of nutrients throughout the body. 
D) insulin production. 
E) bile production.

Question 13

The digestive juice that contains enzymes capable of digesting all major food groups is

Accepted Answer

A) gastric juice. 
B) biliary juice. 
C) salivary juice. 
D) pancreatic juice. 
E) hepatic juice. 
A) gastric juice. 
B) biliary juice. 
C) salivary juice. 
D) pancreatic juice. 
E) hepatic juice.

Question 14

Which of the following would stimulate gastric secretion?

Accepted Answer

A) acidic chyme in duodenum 
B) secretin 
C) gastrin 
D) cholecystokinin 
E) pepsin 
A) acidic chyme in duodenum 
B) secretin 
C) gastrin 
D) cholecystokinin 
E) pepsin

Question 15

Which of the following events occurs because of the low pH of the stomach?

Accepted Answer

A) activation of salivary amylase 
B) enhanced carbohydrate digestion 
C) proper environment for functioning of pepsin 
D) protein synthesis 
E) lipid digestion 
A) activation of salivary amylase 
B) enhanced carbohydrate digestion 
C) proper environment for functioning of pepsin 
D) protein synthesis 
E) lipid digestion

Question 16

The esophagus

Accepted Answer

A) extends from the fauces to the stomach. 
B) has cartilage in its walls to keep it from collapsing. 
C) produces two enzymes that digest proteins. 
D) has upper and lower sphincters to regulate movement of food. 
E) has thin walls of connective tissue. 
A) extends from the fauces to the stomach. 
B) has cartilage in its walls to keep it from collapsing. 
C) produces two enzymes that digest proteins. 
D) has upper and lower sphincters to regulate movement of food. 
E) has thin walls of connective tissue.

Question 17

Match the enzyme or hormone with the organ that produces it.
-peptidases

Accepted Answer

A) salivary glands 
B) stomach 
C) liver 
D) small intestine 
E) pancreas 
A) salivary glands 
B) stomach 
C) liver 
D) small intestine 
E) pancreas

Question 18

All of the following are basic functions of the digestive system,except ___________.

Accepted Answer

A) ingestion 
B) mastication 
C) digestion 
D) absorption 
E) circulation 
A) ingestion 
B) mastication 
C) digestion 
D) absorption 
E) circulation

Question 19

The portion of the digestive tract that receives food directly from the oral cavity is the

Accepted Answer

A) nasopharynx. 
B) oropharynx. 
C) laryngopharynx. 
D) esophagus. 
E) larynx. 
A) nasopharynx. 
B) oropharynx. 
C) laryngopharynx. 
D) esophagus. 
E) larynx.

Question 20

A man had a gunshot wound in his abdomen.The bullet passed through his anterior body and lodged inside the transverse colon.What layers did the bullet pass through to arrive at the location? (1)parietal peritoneum
(2)visceral peritoneum

Accepted Answer

A) 1,2 
B) 1,2,1,2 
C) 1,2,2,1 
D) 1,2,2,2 
E) 2,1,1,1 
A) 1,2 
B) 1,2,1,2 
C) 1,2,2,1 
D) 1,2,2,2 
E) 2,1,1,1

Exam 24: Digestive System

The role of acetylcholine in the digestive tract is to _________,while the role of norepinephrine is to ______.

The mucosa of the colon

Enterokinase

Inflammation of the stomach mucosa in the area superior to the pyloric sphincter is most appropriately referred to as

Match the enzyme with the products of its digestive activity. -lactase

Match the enzyme or hormone with the organ that produces it. -cholecystokinin

Strong peristaltic contractions in the large intestine are called

Abdominal organs that lie against the body wall and have no mesenteries are said to be

Which of the following is located closest to the rectum?

What is ascites?

Match the enzyme with the products of its digestive activity. -salivary amylase

Secretions that are added as food moves through the GI tract assist in

The digestive juice that contains enzymes capable of digesting all major food groups is

Which of the following would stimulate gastric secretion?

Which of the following events occurs because of the low pH of the stomach?

The esophagus

Match the enzyme or hormone with the organ that produces it. -peptidases

All of the following are basic functions of the digestive system,except ___________.

The portion of the digestive tract that receives food directly from the oral cavity is the

A man had a gunshot wound in his abdomen.The bullet passed through his anterior body and lodged inside the transverse colon.What layers did the bullet pass through to arrive at the location? (1)parietal peritoneum (2)visceral peritoneum

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joints and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Functional Organization of Nervous Tissue

Spinal Cord and Spinal Nerves

Brain and Cranial Nerves

Integration of Nervous System Functions

The Special Senses

Autonomic Nervous System

Functional Organization of the Endocrine System

Endocrine Glands

Cardiovascular System: Blood

Cardiovascular System: the Heart

Cardiovascular System: Blood Vessels and Circulation

Lymphatic System and Immunity

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Nutrition,metabolism,and Temperature Regulation

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Water,electrolyte,and Acid-Based Balance

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The role of acetylcholine in the digestive tract is to ___,while the role of norepinephrine is to .