Question 1

Which of the following factors will not influence the rate at which a meal will empty from the stomach?

Accepted Answer

A) fat in the duodenum 
B) acid in the duodenum 
C) caffeine in the duodenum 
D) hypertonicity of the duodenal contents 
E) distention of the duodenum 
A) fat in the duodenum 
B) acid in the duodenum 
C) caffeine in the duodenum 
D) hypertonicity of the duodenal contents 
E) distention of the duodenum

Question 2

The parietal cells of the gastric mucosa secrete

Accepted Answer

A) HCl 
B) pepsinogen 
C) intrinsic factor 
D) a and b 
E) a and c 
A) HCl 
B) pepsinogen 
C) intrinsic factor 
D) a and b 
E) a and c

Question 3

Which of the following is a product from the chemical breakdown of starch?

Accepted Answer

A) amino acids 
B) glucose 
C) monoglycerides 
D) bile salts 
E) fatty acids 
A) amino acids 
B) glucose 
C) monoglycerides 
D) bile salts 
E) fatty acids

Question 4

The only function of chewing is to break food up into smaller pieces and soften it by mixing it with saliva to facilitate swallowing.

Accepted Answer

A) True 
 B)False

Question 5

Match the pancreatic digestive enzyme with the correct characteristic.
a.amylase
b.trypsin
c.chymotrypsin
d.lipase
-Activation initiated by enterokinase

Accepted Answer

The answer of Match the pancreatic digestive enzyme with the...

Question 6

Gastrin is not secreted during the cephalic phase of gastric secretion.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following is not secreted into the duodenal lumen?

Accepted Answer

A) aminopeptidase 
B) lipase 
C) trypsinogen 
D) procarboxypeptidase 
E) amylase 
A) aminopeptidase 
B) lipase 
C) trypsinogen 
D) procarboxypeptidase 
E) amylase

Question 8

Secondary peristaltic waves in the esophagus occur

Accepted Answer

A) when a large or sticky bolus becomes stuck in the esophagus 
B) through coordination by the swallowing center 
C) through coordination by extrinsic nerve signals 
D) through b and c 
E) only in the duodenum 
A) when a large or sticky bolus becomes stuck in the esophagus 
B) through coordination by the swallowing center 
C) through coordination by extrinsic nerve signals 
D) through b and c 
E) only in the duodenum

Question 9

____________________ are the microscopic projections of the absorptive cells of the small intestine.

Accepted Answer

The answer of ____________________ are the microscopic projections of the...

Question 10

Receptive relaxation refers to the voluntary relaxation of the external anal sphincter when the individual is receptive to the defecation reflex.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following structures secrete mucus?

Accepted Answer

A) salivary glands 
B) esophagus 
C) stomach 
D) colon 
E) All of the above 
A) salivary glands 
B) esophagus 
C) stomach 
D) colon 
E) All of the above

Question 12

The intrinsic nerve plexuses innervate smooth muscle and exocrine gland cells but do not influence endocrine gland cells within the digestive system.

Accepted Answer

A) True 
 B)False

Question 13

During the oropharyngeal phase of swallowing, food is prevented from

Accepted Answer

A) reentering the mouth by elevation of the uvula 
B) entering the nasal passages by closure of the nasopharyngeal sphincter 
C) entering the trachea primarily by the epiglottis blocking the opening between the vocal cords 
D) doing a or c 
E) doing none of the above 
A) reentering the mouth by elevation of the uvula 
B) entering the nasal passages by closure of the nasopharyngeal sphincter 
C) entering the trachea primarily by the epiglottis blocking the opening between the vocal cords 
D) doing a or c 
E) doing none of the above

Question 14

Indicate which item in the top column best describes the item in the bottom column by writing the appropriate letter in the blank.
a.Secretes NaHCO3
b.Enzyme for protein digestion secreted by pancreas
c.First to activate pepsinogen
d.Enzyme for fat digestion
e.Functions inside brush border
f.Secretes gastrin
g.Stimulates parietal and chief cells
h.Enzyme for carbohydrate digestion that functions primarily in the body of the stomach
i.Secreted by chief cells
j.Secretes pancreatic enzymes
k.Secreted by duodenal cells in response to the presence of acid
l.Stimulates pancreatic acinar cells
-Lipase

Accepted Answer

The answer of Indicate which item in the top column...

Question 15

The pancreas is the primary site of digestive enzyme production.

Accepted Answer

A) True 
 B)False

Question 16

Amino acids and glucose are both absorbed by secondary active transport by the small intestinal epithelial cells.

Accepted Answer

A) True 
 B)False

Question 17

The extent of absorption of ____________________ ions and ____________________ ions is regulated depending on the body's needs.

Accepted Answer

The answer of The extent of absorption of ____________________ ions...

Question 18

Salivary amylase and the pancreatic enzymes are inactivated by acid.

Accepted Answer

A) True 
 B)False

Question 19

Indicate the causes and effects of constipation.

Accepted Answer

Constipation occurs when feces remain in

Question 20

Lipase breaks down proteins via hydrolysis.

Accepted Answer

A) True 
 B)False

Which of the following factors will not influence the rate at which a meal will empty from the stomach?

The parietal cells of the gastric mucosa secrete

Which of the following is a product from the chemical breakdown of starch?

The only function of chewing is to break food up into smaller pieces and soften it by mixing it with saliva to facilitate swallowing.

Match the pancreatic digestive enzyme with the correct characteristic. a.amylase b.trypsin c.chymotrypsin d.lipase -Activation initiated by enterokinase

Gastrin is not secreted during the cephalic phase of gastric secretion.

Which of the following is not secreted into the duodenal lumen?

Secondary peristaltic waves in the esophagus occur

____________________ are the microscopic projections of the absorptive cells of the small intestine.

Receptive relaxation refers to the voluntary relaxation of the external anal sphincter when the individual is receptive to the defecation reflex.

Which of the following structures secrete mucus?

The intrinsic nerve plexuses innervate smooth muscle and exocrine gland cells but do not influence endocrine gland cells within the digestive system.

During the oropharyngeal phase of swallowing, food is prevented from

The pancreas is the primary site of digestive enzyme production.

Amino acids and glucose are both absorbed by secondary active transport by the small intestinal epithelial cells.

The extent of absorption of ions and ions is regulated depending on the body's needs.

Salivary amylase and the pancreatic enzymes are inactivated by acid.

Indicate the causes and effects of constipation.

Lipase breaks down proteins via hydrolysis.

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

The Central Nervous System

The Peripheral Nervous System: Afferent Division Special Senses

The Peripheral Nervous System: Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood

Body Defenses

The Respiratory System

The Urinary System

Fluid and Acid-Base Balance

Energy Balance and Temperature Regulation

Principles of Endocrinology: the Central Endocrine Glands

The Peripheral Endocrine Glands

The Reproductive System

Filters

Exam 16: The Digestive System

Which of the following factors will not influence the rate at which a meal will empty from the stomach?

The parietal cells of the gastric mucosa secrete

Which of the following is a product from the chemical breakdown of starch?

The only function of chewing is to break food up into smaller pieces and soften it by mixing it with saliva to facilitate swallowing.

Match the pancreatic digestive enzyme with the correct characteristic. a.amylase b.trypsin c.chymotrypsin d.lipase -Activation initiated by enterokinase

Gastrin is not secreted during the cephalic phase of gastric secretion.

Which of the following is not secreted into the duodenal lumen?

Secondary peristaltic waves in the esophagus occur

____________________ are the microscopic projections of the absorptive cells of the small intestine.

Receptive relaxation refers to the voluntary relaxation of the external anal sphincter when the individual is receptive to the defecation reflex.

Which of the following structures secrete mucus?

The intrinsic nerve plexuses innervate smooth muscle and exocrine gland cells but do not influence endocrine gland cells within the digestive system.

During the oropharyngeal phase of swallowing, food is prevented from

The pancreas is the primary site of digestive enzyme production.

Amino acids and glucose are both absorbed by secondary active transport by the small intestinal epithelial cells.

The extent of absorption of ____________________ ions and ____________________ ions is regulated depending on the body's needs.

Salivary amylase and the pancreatic enzymes are inactivated by acid.

Indicate the causes and effects of constipation.

Lipase breaks down proteins via hydrolysis.

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

The Central Nervous System

The Peripheral Nervous System: Afferent Division Special Senses

The Peripheral Nervous System: Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood

Body Defenses

The Respiratory System

The Urinary System

Fluid and Acid-Base Balance

Energy Balance and Temperature Regulation

Principles of Endocrinology: the Central Endocrine Glands

The Peripheral Endocrine Glands

The Reproductive System

Filters

The extent of absorption of ions and ions is regulated depending on the body's needs.