Question 1

Which is not a brush border enzyme?

Accepted Answer

A)  enterokinase. 
B)  aminopeptidase. 
C)  lipase. 
D)  lactase. 
E)  maltase. 
A)  enterokinase. 
B)  aminopeptidase. 
C)  lipase. 
D)  lactase. 
E)  maltase.

Question 2

Indicate which hormone(s) is being described by writing the appropriate letter in the blank using the following answer code:
-Secreted by the small intestine mucosa.

Accepted Answer

A) both secretin and CCK 
B) secretin 
C) CCK 
D) gastrin 
A) both secretin and CCK 
B) secretin 
C) CCK 
D) gastrin

Question 3

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 4

Digestive secretions include all of the following except:

Accepted Answer

A)  enzymes. 
B)  bile. 
C)  mucus. 
D)  salts 
E)  vitamins 
A)  enzymes. 
B)  bile. 
C)  mucus. 
D)  salts 
E)  vitamins

Question 5

The small intestine are also known as the colon.

Accepted Answer

A) True 
 B)False

Question 6

MATCHING: ART
   
The accompanying figure relates to lipid digestion and absorption. Match the steps highlighted in the figure (steps 1-8) with the statements using the letter key below.
-Micelles form containing end products of fat digestion

Accepted Answer

A) Step 1 
B) Step 2 
C) Step 3 
D) Step 4 
E) Step 5
F)Step 6
G)Step 7
H)Step 8 
A) Step 1 
B) Step 2 
C) Step 3 
D) Step 4 
E) Step 5
F)Step 6
G)Step 7
H)Step 8

Question 7

Match structural unit with correct characteristic.
-Shortens the digestive tract longitudinal.

Accepted Answer

A) serosa 
B) circular smooth muscle layer 
C) mucous membrane 
D) lamina propria 
E) submucosa
F)longitudinal smooth muscle layer 
A) serosa 
B) circular smooth muscle layer 
C) mucous membrane 
D) lamina propria 
E) submucosa
F)longitudinal smooth muscle layer

Question 8

The pharyngoesophageal sphincter is normally closed to prevent esophageal secretions from entering the pharynx during breathing.

Accepted Answer

A) True 
 B)False

Question 9

Chewing increases which of the following secretions?

Accepted Answer

A)  salivary secretion. 
B)  gastric secretion. 
C)  pancreatic secretion. 
D)  both (a) and (b) above. 
E)  all of these answers. 
A)  salivary secretion. 
B)  gastric secretion. 
C)  pancreatic secretion. 
D)  both (a) and (b) above. 
E)  all of these answers.

Question 10

Indicate the site at which the following digestive processes take place by writing the appropriate letter in the blank using the following answer code:
-Bile secreted into here.

Accepted Answer

A) mouth 
B) stomach 
C) small intestine lumen 
D) intracellularly in the small intestine brush border 
E) colon 
A) mouth 
B) stomach 
C) small intestine lumen 
D) intracellularly in the small intestine brush border 
E) colon

Question 11

Match structural unit with correct characteristic.
-Anchors digestive organs in place.

Accepted Answer

A) serosa 
B) circular smooth muscle layer 
C) mucous membrane 
D) lamina propria 
E) submucosa
F)longitudinal smooth muscle layer 
A) serosa 
B) circular smooth muscle layer 
C) mucous membrane 
D) lamina propria 
E) submucosa
F)longitudinal smooth muscle layer

Question 12

The chief cells of the gastric mucosa secrete

Accepted Answer

A)  bicarbonate ions. 
B)  HCl. 
C)  pepsinogen. 
D)  sucrase. 
E)  trypsin. 
A)  bicarbonate ions. 
B)  HCl. 
C)  pepsinogen. 
D)  sucrase. 
E)  trypsin.

Question 13

Which motility sweeps digestive remnants toward the colon between meals?

Accepted Answer

A)  segmentation 
B)  haustral contraction 
C)  pacemaker potentials 
D)  migrating motility complex 
E)  mass movements 
A)  segmentation 
B)  haustral contraction 
C)  pacemaker potentials 
D)  migrating motility complex 
E)  mass movements

Question 14

Indicate which hormone(s) is being described by writing the appropriate letter in the blank using the following answer code:
-Stimulate(s) pancreatic aqueous NaHCO3 secretion.

Accepted Answer

A) both secretin and CCK 
B) secretin 
C) CCK 
D) gastrin 
A) both secretin and CCK 
B) secretin 
C) CCK 
D) gastrin

Question 15

The presence of ____________________ in the stomach is the main stimulus to enhance gastric secretion.

Accepted Answer

The answer of The presence of ____________________ in the stomach...

Question 16

Match structural unit with correct characteristic.
-Houses gut-associated lymphoid tissue.

Accepted Answer

A) serosa 
B) circular smooth muscle layer 
C) mucous membrane 
D) lamina propria 
E) submucosa
F)longitudinal smooth muscle layer 
A) serosa 
B) circular smooth muscle layer 
C) mucous membrane 
D) lamina propria 
E) submucosa
F)longitudinal smooth muscle layer

Question 17

Bile consists of all of the following except:

Accepted Answer

A)  lipase 
B)  alkaline fluid 
C)  bile salts 
D)  lecithin 
E)  bilirubin 
A)  lipase 
B)  alkaline fluid 
C)  bile salts 
D)  lecithin 
E)  bilirubin

Question 18

Which of the following enzymes 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 19

Which statement regarding control of digestive processes is incorrect?

Accepted Answer

A)  short reflexes influence motility and secretion in localized areas. 
B)  all elements of the short reflexes are contained within the digestive organ's wall. 
C)  hormones play a role. 
D)  osmoreceptors monitor the acidity of the luminal contents. 
E)  there are stretch receptors in the walls of digestive organs. 
A)  short reflexes influence motility and secretion in localized areas. 
B)  all elements of the short reflexes are contained within the digestive organ's wall. 
C)  hormones play a role. 
D)  osmoreceptors monitor the acidity of the luminal contents. 
E)  there are stretch receptors in the walls of digestive organs.

Question 20

How many different species of bacteria reside in the colon?

Accepted Answer

A)  1-5 
B)  10-50 
C)  100-500 
D)  500-1000 
E)  over 1000 
A)  1-5 
B)  10-50 
C)  100-500 
D)  500-1000 
E)  over 1000

Which is not a brush border enzyme?

Indicate which hormone(s) is being described by writing the appropriate letter in the blank using the following answer code: -Secreted by the small intestine mucosa.

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

Digestive secretions include all of the following except:

The small intestine are also known as the colon.

MATCHING: ART The accompanying figure relates to lipid digestion and absorption. Match the steps highlighted in the figure (steps 1-8) with the statements using the letter key below. -Micelles form containing end products of fat digestion

Match structural unit with correct characteristic. -Shortens the digestive tract longitudinal.

The pharyngoesophageal sphincter is normally closed to prevent esophageal secretions from entering the pharynx during breathing.

Chewing increases which of the following secretions?

Indicate the site at which the following digestive processes take place by writing the appropriate letter in the blank using the following answer code: -Bile secreted into here.

Match structural unit with correct characteristic. -Anchors digestive organs in place.

The chief cells of the gastric mucosa secrete

Which motility sweeps digestive remnants toward the colon between meals?

Indicate which hormone(s) is being described by writing the appropriate letter in the blank using the following answer code: -Stimulate(s) pancreatic aqueous NaHCO3 secretion.

The presence of ____________________ in the stomach is the main stimulus to enhance gastric secretion.

Match structural unit with correct characteristic. -Houses gut-associated lymphoid tissue.

Bile consists of all of the following except:

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

Which statement regarding control of digestive processes is incorrect?

How many different species of bacteria reside in the colon?

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 and Special Senses

The Peripheral Nervous System: Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood and Body Defenses

The Respiratory System

The Urinary System

Fluid and Acid-Base Balance

Energy Balance and Temperature Regulation

The Endocrine System

The Reproductive System

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Exam 15: The Digestive System

Which is not a brush border enzyme?

Indicate which hormone(s) is being described by writing the appropriate letter in the blank using the following answer code: -Secreted by the small intestine mucosa.

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

Digestive secretions include all of the following except:

The small intestine are also known as the colon.

MATCHING: ART The accompanying figure relates to lipid digestion and absorption. Match the steps highlighted in the figure (steps 1-8) with the statements using the letter key below. -Micelles form containing end products of fat digestion

Match structural unit with correct characteristic. -Shortens the digestive tract longitudinal.

The pharyngoesophageal sphincter is normally closed to prevent esophageal secretions from entering the pharynx during breathing.

Chewing increases which of the following secretions?

Indicate the site at which the following digestive processes take place by writing the appropriate letter in the blank using the following answer code: -Bile secreted into here.

Match structural unit with correct characteristic. -Anchors digestive organs in place.

The chief cells of the gastric mucosa secrete

Which motility sweeps digestive remnants toward the colon between meals?

Indicate which hormone(s) is being described by writing the appropriate letter in the blank using the following answer code: -Stimulate(s) pancreatic aqueous NaHCO3 secretion.

The presence of ____________________ in the stomach is the main stimulus to enhance gastric secretion.

Match structural unit with correct characteristic. -Houses gut-associated lymphoid tissue.

Bile consists of all of the following except:

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

Which statement regarding control of digestive processes is incorrect?

How many different species of bacteria reside in the colon?

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 and Special Senses

The Peripheral Nervous System: Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood and Body Defenses

The Respiratory System

The Urinary System

Fluid and Acid-Base Balance

Energy Balance and Temperature Regulation

The Endocrine System

The Reproductive System

Filters