Question 1

Which of the following stimulates gallbladder contraction?

Accepted Answer

A)  CCK. 
B)  secretin. 
C)  sympathetic stimulation. 
D)  both (a) and (c) above. 
E)  both (b) and (c) above. 
A)  CCK. 
B)  secretin. 
C)  sympathetic stimulation. 
D)  both (a) and (c) above. 
E)  both (b) and (c) above.

Question 2

Which of the following is not secreted by the stomach in response to parasympathetic (acetylcholine) stimulation?

Accepted Answer

A)  pepsinogen 
B)  HCl 
C)  gastrin 
D)  histamine 
E)  both gastrin and histamine are not secreted in response to parasympathetic stimulation. 
A)  pepsinogen 
B)  HCl 
C)  gastrin 
D)  histamine 
E)  both gastrin and histamine are not secreted in response to parasympathetic stimulation.

Question 3

The upper esophageal sphincter is the _________ sphincter and the lower sphincter is the _________ sphincter.

Accepted Answer

pharyngoes

Question 4

Which of the following statements about pancreatic enzymes is incorrect?

Accepted Answer

A)  trypsinogen is secreted in an inactive form. 
B)  pancreatic amylase digests carbohydrate. 
C)  pancreatic lipase is responsible for triglyceride digestion. 
D)  except for trypsinogen, other proteolytic enzymes are secreted in active form. 
E)  trypsinogen is activated by enterokinase. 
A)  trypsinogen is secreted in an inactive form. 
B)  pancreatic amylase digests carbohydrate. 
C)  pancreatic lipase is responsible for triglyceride digestion. 
D)  except for trypsinogen, other proteolytic enzymes are secreted in active form. 
E)  trypsinogen is activated by enterokinase.

Question 5

Carbohydrates are absorbed as

Accepted Answer

A)  polysaccharides. 
B)  disaccharides. 
C)  monosaccharides. 
D)  amino acids. 
E)  fatty acids. 
A)  polysaccharides. 
B)  disaccharides. 
C)  monosaccharides. 
D)  amino acids. 
E)  fatty acids.

Question 6

Indicate which digestive secretion is being described in each question by writing the appropriate letter in the blank using the following answer code.
-Forms micelles to aid fat absorption.

Accepted Answer

A) bile salts 
B) pepsin(ogen) 
C) amylase 
D) lipase 
E) trypsin(ogen) 
A) bile salts 
B) pepsin(ogen) 
C) amylase 
D) lipase 
E) trypsin(ogen)

Question 7

The following series of 5 questions refer to the accompanying diagram of pathways controlling digestive function. Use the diagram to help answer the questions.  
-Changes in stomach activity as the stomach stretches with food are most closely associated with:

Accepted Answer

A)  external influences 
B)  local changes in the digestive tract 
C)  intrinsic nerve plexus 
D)  extrinsic autonomic nerves 
E)  gastrointestinal hormones 
A)  external influences 
B)  local changes in the digestive tract 
C)  intrinsic nerve plexus 
D)  extrinsic autonomic nerves 
E)  gastrointestinal hormones

Question 8

MATCHING
Match control mechanism with characteristic.
-coordinates activity between different regions of the digestive tract

Accepted Answer

A) autonomous smooth muscle function 
B) extrinsic (autonomic) nerves 
C) hormones 
D) intrinsic nerve plexuses 
A) autonomous smooth muscle function 
B) extrinsic (autonomic) nerves 
C) hormones 
D) intrinsic nerve plexuses

Question 9

Indicate which hormone(s) is being described by writing the appropriate letter in the blank using the following answer code:
-Stimulated primarily by the presence of acid.

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 10

The ultimate source of the fluids secreted into the digestive tract is the plasma.

Accepted Answer

A) True 
 B)False

Question 11

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

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 12

Match structural unit with correct characteristic.
-Constricts the lumen.

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 13

Which factor below does not slow down gastric activities?

Accepted Answer

A)  enterogastric reflex. 
B)  entergastrones. 
C)  secretin. 
D)  gastrin. 
E)  cholecystokinin. 
A)  enterogastric reflex. 
B)  entergastrones. 
C)  secretin. 
D)  gastrin. 
E)  cholecystokinin.

Question 14

Match gastric cell with correct characteristic.
-Secrete gastrin.

Accepted Answer

A) chief cells 
B) parietal cells 
C) mucous cells 
D) G cells of PGA 
A) chief cells 
B) parietal cells 
C) mucous cells 
D) G cells of PGA

Question 15

Salivary secretion:

Accepted Answer

A)  is controlled by both conditioned and unconditioned reflexes 
B)  is controlled only by hormones 
C)  is controlled only by sympathetic nerves 
D)  is more watery when stimulated by the sympathetic nerves 
E)  none of the above 
A)  is controlled by both conditioned and unconditioned reflexes 
B)  is controlled only by hormones 
C)  is controlled only by sympathetic nerves 
D)  is more watery when stimulated by the sympathetic nerves 
E)  none of the above

Question 16

Match hormone with action.
-stimulates insulin secretion.

Accepted Answer

A) gastrin 
B) secretin 
C) CCK 
D) gastric inhibitory peptide 
E) histamine 
A) gastrin 
B) secretin 
C) CCK 
D) gastric inhibitory peptide 
E) histamine

Question 17

Inhibition of gastric secretion following a meal is accomplished by

Accepted Answer

A)  the enterogastric reflex. 
B)  inhibition of the pyloric gland area by vagal stimulation. 
C)  a high concentration of H+, which directly inhibits the release of gastrin. 
D)  both (a) and (c) above. 
E)  all of these answers. 
A)  the enterogastric reflex. 
B)  inhibition of the pyloric gland area by vagal stimulation. 
C)  a high concentration of H+, which directly inhibits the release of gastrin. 
D)  both (a) and (c) above. 
E)  all of these answers.

Question 18

Match structural unit with correct characteristic.
-Absorbs luminal contents.

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 19

The swallowing center is located in the

Accepted Answer

A)  cerebral cortex. 
B)  medulla. 
C)  hypothalamus. 
D)  throat. 
E)  spinal cord. 
A)  cerebral cortex. 
B)  medulla. 
C)  hypothalamus. 
D)  throat. 
E)  spinal cord.

Question 20

Receptive relaxation refers to relaxation of the

Accepted Answer

A)  pharyngoesophageal sphincter during swallowing. 
B)  pyloric sphincter when the duodenum is prepared to receive the chyme. 
C)  external anal sphincter when the individual is receptive to the defecation reflex. 
D)  stomach as it starts to fill, thereby allowing an increase in volume with very little increase in pressure. 
E)  none of these answers. 
A)  pharyngoesophageal sphincter during swallowing. 
B)  pyloric sphincter when the duodenum is prepared to receive the chyme. 
C)  external anal sphincter when the individual is receptive to the defecation reflex. 
D)  stomach as it starts to fill, thereby allowing an increase in volume with very little increase in pressure. 
E)  none of these answers.

Which of the following stimulates gallbladder contraction?

Which of the following is not secreted by the stomach in response to parasympathetic (acetylcholine) stimulation?

The upper esophageal sphincter is the _ sphincter and the lower sphincter is the _ sphincter.

Which of the following statements about pancreatic enzymes is incorrect?

Carbohydrates are absorbed as

Indicate which digestive secretion is being described in each question by writing the appropriate letter in the blank using the following answer code. -Forms micelles to aid fat absorption.

The following series of 5 questions refer to the accompanying diagram of pathways controlling digestive function. Use the diagram to help answer the questions. -Changes in stomach activity as the stomach stretches with food are most closely associated with:

MATCHING Match control mechanism with characteristic. -coordinates activity between different regions of the digestive tract

Indicate which hormone(s) is being described by writing the appropriate letter in the blank using the following answer code: -Stimulated primarily by the presence of acid.

The ultimate source of the fluids secreted into the digestive tract is the plasma.

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

Match structural unit with correct characteristic. -Constricts the lumen.

Which factor below does not slow down gastric activities?

Match gastric cell with correct characteristic. -Secrete gastrin.

Salivary secretion:

Match hormone with action. -stimulates insulin secretion.

Inhibition of gastric secretion following a meal is accomplished by

Match structural unit with correct characteristic. -Absorbs luminal contents.

The swallowing center is located in the

Receptive relaxation refers to relaxation of the

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

Exam 15: The Digestive System

Which of the following stimulates gallbladder contraction?

Which of the following is not secreted by the stomach in response to parasympathetic (acetylcholine) stimulation?

The upper esophageal sphincter is the _________ sphincter and the lower sphincter is the _________ sphincter.

Which of the following statements about pancreatic enzymes is incorrect?

Carbohydrates are absorbed as

Indicate which digestive secretion is being described in each question by writing the appropriate letter in the blank using the following answer code. -Forms micelles to aid fat absorption.

The following series of 5 questions refer to the accompanying diagram of pathways controlling digestive function. Use the diagram to help answer the questions. -Changes in stomach activity as the stomach stretches with food are most closely associated with:

MATCHING Match control mechanism with characteristic. -coordinates activity between different regions of the digestive tract

Indicate which hormone(s) is being described by writing the appropriate letter in the blank using the following answer code: -Stimulated primarily by the presence of acid.

The ultimate source of the fluids secreted into the digestive tract is the plasma.

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

Match structural unit with correct characteristic. -Constricts the lumen.

Which factor below does not slow down gastric activities?

Match gastric cell with correct characteristic. -Secrete gastrin.

Salivary secretion:

Match hormone with action. -stimulates insulin secretion.

Inhibition of gastric secretion following a meal is accomplished by

Match structural unit with correct characteristic. -Absorbs luminal contents.

The swallowing center is located in the

Receptive relaxation refers to relaxation of the

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

The upper esophageal sphincter is the _ sphincter and the lower sphincter is the _ sphincter.