Question 1

Indicate which hormone(s) is being described by writing the appropriate letter in the blank using the following answer code:
-Stimulate(s) gastric 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 2

Digestion of polysaccharides

Accepted Answer

A)  is accomplished using enzymes. 
B)  begins in the mouth 
C)  is finished in the stomach 
D)  both (a) and (b) above. 
E)  both (a) and (c) above. 
A)  is accomplished using enzymes. 
B)  begins in the mouth 
C)  is finished in the stomach 
D)  both (a) and (b) above. 
E)  both (a) and (c) above.

Question 3

Describe the four basic digestive functions: motility, secretion, digestion, and absorption.

Accepted Answer

Motility-muscular contractions that mix

Question 4

Match the following by writing the appropriate letter in the blank. There is only one correct answer per question and each answer may be used only once.
-pancreatic acinar cell

Accepted Answer

A) Secretes NaHCO3. 
B) Enzyme for protein digestion secreted by pancreas. 
C) Activates pepsinogen. 
D) Only enzyme for fat digestion. 
E) Functions inside brush border.
F)Secretes gastrin.
G)Stomach hormone.
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, stimulates NaHCO3.
L)Inhibits stomach emptying. 
A) Secretes NaHCO3. 
B) Enzyme for protein digestion secreted by pancreas. 
C) Activates pepsinogen. 
D) Only enzyme for fat digestion. 
E) Functions inside brush border.
F)Secretes gastrin.
G)Stomach hormone.
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, stimulates NaHCO3.
L)Inhibits stomach emptying.

Question 5

Match structural unit with correct characteristic.
-Secretes a watery lubricating fluid.

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 6

Indicate the stimulus for the item in question by writing the appropriate letter in the blank using the following answer code.
-Directly inhibits secretion of gastrin.

Accepted Answer

A) fat in the duodenum 
B) acid in the duodenum 
C) acid in the stomach 
D) protein in the stomach 
A) fat in the duodenum 
B) acid in the duodenum 
C) acid in the stomach 
D) protein in the stomach

Question 7

The pyloric sphincter is located between the

Accepted Answer

A)  esophagus and stomach. 
B)  oral cavity and esophagus. 
C)  large intestine and rectum. 
D)  small intestine and large intestine. 
E)  stomach and small intestine. 
A)  esophagus and stomach. 
B)  oral cavity and esophagus. 
C)  large intestine and rectum. 
D)  small intestine and large intestine. 
E)  stomach and small intestine.

Question 8

Which of the following statements concerning parasympathetic innervation of the digestive tract is incorrect?

Accepted Answer

A)  in general, parasympathetic stimulation is excitatory to the digestive system. 
B)  parasympathetic innervation to the digestive tract comes primarily through the vagus nerve. 
C)  parasympathetic innervation is part of the extrinsic nerve supply to the digestive tract. 
D)  parasympathetic stimulation of the salivary glands produces a saliva rich in mucus. 
E)  parasympathetic stimulation increases salivary, gastric, pancreatic, and biliary secretion. 
A)  in general, parasympathetic stimulation is excitatory to the digestive system. 
B)  parasympathetic innervation to the digestive tract comes primarily through the vagus nerve. 
C)  parasympathetic innervation is part of the extrinsic nerve supply to the digestive tract. 
D)  parasympathetic stimulation of the salivary glands produces a saliva rich in mucus. 
E)  parasympathetic stimulation increases salivary, gastric, pancreatic, and biliary secretion.

Question 9

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 digestive function related to parasympathetic function are 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 10

Gastric storage takes place in the ____________________ (what part?) of the stomach, whereas gastric mixing takes place in the ____________________.

Accepted Answer

The answer of Gastric storage takes place in the ____________________...

Question 11

Protein digestion is initiated by salivary amylase.

Accepted Answer

A) True 
 B)False

Question 12

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 13

Indicate which digestive secretion is being described in each question by writing the appropriate letter in the blank using the following answer code.
-Exerts detergent action.

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 14

Which of the following is entirely under nervous control and has no hormonal regulatory component?

Accepted Answer

A)  salivary secretion. 
B)  gastric secretion. 
C)  pancreatic secretion. 
D)  liver secretion. 
E)  all of these answers have a hormonal regulatory component. 
A)  salivary secretion. 
B)  gastric secretion. 
C)  pancreatic secretion. 
D)  liver secretion. 
E)  all of these answers have a hormonal regulatory component.

Question 15

Enzymes which finish chemical digestion:

Accepted Answer

A)  are found in the duodenum 
B)  are found in the brush border 
C)  are found in the stomach 
D)  include salivary amylase and pepsin 
E)  are located throughout the digestive tract from beginning to end 
A)  are found in the duodenum 
B)  are found in the brush border 
C)  are found in the stomach 
D)  include salivary amylase and pepsin 
E)  are located throughout the digestive tract from beginning to end

Question 16

Indicate which digestive secretion is being described in each question by writing the appropriate letter in the blank using the following answer code.
-Secreted by the salivary glands.

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 17

Which of the following is a precursor to an enzyme that functions in the stomach?

Accepted Answer

A)  pepsinogen 
B)  HCl 
C)  intrinsic factor 
D)  gastrin 
E)  mucus 
A)  pepsinogen 
B)  HCl 
C)  intrinsic factor 
D)  gastrin 
E)  mucus

Question 18

Mixing movements

Accepted Answer

A)  promote digestion by mixing food with digestive juices. 
B)  facilitate absorption by exposing luminal contents to absorptive surfaces. 
C)  take place only in the stomach. 
D)  promote digestion by mixing food with digestive juices and facilitates absorption by exposing luminal contents to absorptive surfaces. 
E)  all of these answers. 
A)  promote digestion by mixing food with digestive juices. 
B)  facilitate absorption by exposing luminal contents to absorptive surfaces. 
C)  take place only in the stomach. 
D)  promote digestion by mixing food with digestive juices and facilitates absorption by exposing luminal contents to absorptive surfaces. 
E)  all of these answers.

Question 19

Indicate which hormone(s) is being described by writing the appropriate letter in the blank using the following answer code:
-Inhibit(s) gastric motility.

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 20

As food leaves the stomach, gastric secretion is reduced. Which of the following factors does not contribute to this reduction?

Accepted Answer

A)  fat in the duodenum 
B)  low gastric pH 
C)  distention of the duodenum 
D)  high concentration of acid in the stomach or duodenum 
E)  pepsinogen in the duodenum 
A)  fat in the duodenum 
B)  low gastric pH 
C)  distention of the duodenum 
D)  high concentration of acid in the stomach or duodenum 
E)  pepsinogen in the duodenum

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

Digestion of polysaccharides

Describe the four basic digestive functions: motility, secretion, digestion, and absorption.

Match the following by writing the appropriate letter in the blank. There is only one correct answer per question and each answer may be used only once. -pancreatic acinar cell

Match structural unit with correct characteristic. -Secretes a watery lubricating fluid.

Indicate the stimulus for the item in question by writing the appropriate letter in the blank using the following answer code. -Directly inhibits secretion of gastrin.

The pyloric sphincter is located between the

Which of the following statements concerning parasympathetic innervation of the digestive tract is incorrect?

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 digestive function related to parasympathetic function are associated with:

Gastric storage takes place in the (what part?) of the stomach, whereas gastric mixing takes place in the .

Protein digestion is initiated by salivary amylase.

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

Indicate which digestive secretion is being described in each question by writing the appropriate letter in the blank using the following answer code. -Exerts detergent action.

Which of the following is entirely under nervous control and has no hormonal regulatory component?

Enzymes which finish chemical digestion:

Indicate which digestive secretion is being described in each question by writing the appropriate letter in the blank using the following answer code. -Secreted by the salivary glands.

Which of the following is a precursor to an enzyme that functions in the stomach?

Mixing movements

Indicate which hormone(s) is being described by writing the appropriate letter in the blank using the following answer code: -Inhibit(s) gastric motility.

As food leaves the stomach, gastric secretion is reduced. Which of the following factors does not contribute to this reduction?

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

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

Digestion of polysaccharides

Describe the four basic digestive functions: motility, secretion, digestion, and absorption.

Match the following by writing the appropriate letter in the blank. There is only one correct answer per question and each answer may be used only once. -pancreatic acinar cell

Match structural unit with correct characteristic. -Secretes a watery lubricating fluid.

Indicate the stimulus for the item in question by writing the appropriate letter in the blank using the following answer code. -Directly inhibits secretion of gastrin.

The pyloric sphincter is located between the

Which of the following statements concerning parasympathetic innervation of the digestive tract is incorrect?

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 digestive function related to parasympathetic function are associated with:

Gastric storage takes place in the ____________________ (what part?) of the stomach, whereas gastric mixing takes place in the ____________________.

Protein digestion is initiated by salivary amylase.

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

Indicate which digestive secretion is being described in each question by writing the appropriate letter in the blank using the following answer code. -Exerts detergent action.

Which of the following is entirely under nervous control and has no hormonal regulatory component?

Enzymes which finish chemical digestion:

Indicate which digestive secretion is being described in each question by writing the appropriate letter in the blank using the following answer code. -Secreted by the salivary glands.

Which of the following is a precursor to an enzyme that functions in the stomach?

Mixing movements

Indicate which hormone(s) is being described by writing the appropriate letter in the blank using the following answer code: -Inhibit(s) gastric motility.

As food leaves the stomach, gastric secretion is reduced. Which of the following factors does not contribute to this reduction?

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

Gastric storage takes place in the (what part?) of the stomach, whereas gastric mixing takes place in the .