Question 1

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

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 2

As food moves into the esophagus from the mouth:

Accepted Answer

A)  peristaltic contractions move food toward the stomach 
B)  gravity assists peristaltic contractions to move food toward the stomach 
C)  smooth muscle contractions end 
D)  digestive enzymes are secreted by the lining of the esophagus 
E)  the gastroesophageal sphincter remains closed 
A)  peristaltic contractions move food toward the stomach 
B)  gravity assists peristaltic contractions to move food toward the stomach 
C)  smooth muscle contractions end 
D)  digestive enzymes are secreted by the lining of the esophagus 
E)  the gastroesophageal sphincter remains closed

Question 3

Which of the following statements concerning the colon is correct?

Accepted Answer

A)  The colon has as much absorptive capacity as the small intestine. 
B)  The final stages of carbohydrate and protein digestion occur in the colon. 
C)  Colonic movements are slower than those in the small intestine. 
D)  two of these answers. 
E)  all of these answers. 
A)  The colon has as much absorptive capacity as the small intestine. 
B)  The final stages of carbohydrate and protein digestion occur in the colon. 
C)  Colonic movements are slower than those in the small intestine. 
D)  two of these answers. 
E)  all of these answers.

Question 4

In general, the parasympathetic nervous system is ____________________ to the digestive tract, whereas the sympathetic nervous system is ____________________.

Accepted Answer

excitatory

Question 5

The large intestine consists of the duodenum, jejunum, and ileum.

Accepted Answer

A) True 
 B)False

Question 6

The enteric nervous system

Accepted Answer

A)  includes the myenteric plexus. 
B)  includes the submucosal plexus. 
C)  includes vagal nerve efferents. 
D)  both (a) and (b) above. 
E)  both (a) and (c) above. 
A)  includes the myenteric plexus. 
B)  includes the submucosal plexus. 
C)  includes vagal nerve efferents. 
D)  both (a) and (b) above. 
E)  both (a) and (c) above.

Question 7

The stomach performs all of the following except:

Accepted Answer

A)  stores ingested food 
B)  secretes HCl 
C)  secretes enzymes that begin protein digestion 
D)  converts chewed food into a thick, liquid paste called chyme 
E)  allows digested material to move quickly into the duodenum 
A)  stores ingested food 
B)  secretes HCl 
C)  secretes enzymes that begin protein digestion 
D)  converts chewed food into a thick, liquid paste called chyme 
E)  allows digested material to move quickly into the duodenum

Question 8

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.
-Chylomicrons exit cell by exocytosis

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 9

MATCHING
Match control mechanism with characteristic.
-includes CCK and GIP

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 10

Which of the following is absorbed receptor mediated endocytosis in the terminal ileum?

Accepted Answer

A)  fatty acids and monoglycerides. 
B)  bile. 
C)  vitamin B12 
D)  amino acids. 
E)  all of these answers. 
A)  fatty acids and monoglycerides. 
B)  bile. 
C)  vitamin B12 
D)  amino acids. 
E)  all of these answers.

Question 11

The intestinal hormone secretin is released by endocrine cells in the duodenal mucosa in response to

Accepted Answer

A)  distention of the stomach. 
B)  carbohydrate in the duodenum. 
C)  acid in the duodenum. 
D)  gastrin secreted by the pyloric gland area of the stomach. 
E)  none of these answers. 
A)  distention of the stomach. 
B)  carbohydrate in the duodenum. 
C)  acid in the duodenum. 
D)  gastrin secreted by the pyloric gland area of the stomach. 
E)  none of these answers.

Question 12

Match digestive enzyme with correct characteristic.
-Besides trypsin is a proteolytic enzyme.

Accepted Answer

A) amylase. 
B) trypsin 
C) chymotrypsin 
D) lipase 
A) amylase. 
B) trypsin 
C) chymotrypsin 
D) lipase

Question 13

Match gastric cell with correct characteristic.
-Secrete intrinsic factor.

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 14

The major chemical digestive activity occurring in the stomach is

Accepted Answer

A)  digestion of starch. 
B)  digestion of protein. 
C)  digestion of fat. 
D)  absorption of monosaccharides. 
E)  digestion of vitamins. 
A)  digestion of starch. 
B)  digestion of protein. 
C)  digestion of fat. 
D)  absorption of monosaccharides. 
E)  digestion of vitamins.

Question 15

Where is digestion completed?

Accepted Answer

A)  stomach. 
B)  small intestine lumen. 
C)  on the brush borders of the small intestine epithelial cells. 
D)  colon. 
E)  rectum. 
A)  stomach. 
B)  small intestine lumen. 
C)  on the brush borders of the small intestine epithelial cells. 
D)  colon. 
E)  rectum.

Question 16

____________ are liver cells that secrete bile.

Accepted Answer

The answer of ____________ are liver cells that secrete bile....

Question 17

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 GIP and Gastrin 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 18

Match gastric cell with correct characteristic.
-Secrete pepsinogen.

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 19

Gastric mixing takes place primarily in the antrum of the stomach.

Accepted Answer

A) True 
 B)False

Question 20

Bilirubin does not play a role in digestion but is a waste products excreted in the bile.

Accepted Answer

A) True 
 B)False

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

As food moves into the esophagus from the mouth:

Which of the following statements concerning the colon is correct?

In general, the parasympathetic nervous system is to the digestive tract, whereas the sympathetic nervous system is .

The large intestine consists of the duodenum, jejunum, and ileum.

The enteric nervous system

The stomach performs all of the following except:

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. -Chylomicrons exit cell by exocytosis

MATCHING Match control mechanism with characteristic. -includes CCK and GIP

Which of the following is absorbed receptor mediated endocytosis in the terminal ileum?

The intestinal hormone secretin is released by endocrine cells in the duodenal mucosa in response to

Match digestive enzyme with correct characteristic. -Besides trypsin is a proteolytic enzyme.

Match gastric cell with correct characteristic. -Secrete intrinsic factor.

The major chemical digestive activity occurring in the stomach is

Where is digestion completed?

____________ are liver cells that secrete bile.

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 GIP and Gastrin are associated with:

Match gastric cell with correct characteristic. -Secrete pepsinogen.

Gastric mixing takes place primarily in the antrum of the stomach.

Bilirubin does not play a role in digestion but is a waste products excreted in the bile.

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 the stimulus for the item in question by writing the appropriate letter in the blank using the following answer code. -Stimulates secretion of CCK.

As food moves into the esophagus from the mouth:

Which of the following statements concerning the colon is correct?

In general, the parasympathetic nervous system is ____________________ to the digestive tract, whereas the sympathetic nervous system is ____________________.

The large intestine consists of the duodenum, jejunum, and ileum.

The enteric nervous system

The stomach performs all of the following except:

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. -Chylomicrons exit cell by exocytosis

MATCHING Match control mechanism with characteristic. -includes CCK and GIP

Which of the following is absorbed receptor mediated endocytosis in the terminal ileum?

The intestinal hormone secretin is released by endocrine cells in the duodenal mucosa in response to

Match digestive enzyme with correct characteristic. -Besides trypsin is a proteolytic enzyme.

Match gastric cell with correct characteristic. -Secrete intrinsic factor.

The major chemical digestive activity occurring in the stomach is

Where is digestion completed?

____________ are liver cells that secrete bile.

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 GIP and Gastrin are associated with:

Match gastric cell with correct characteristic. -Secrete pepsinogen.

Gastric mixing takes place primarily in the antrum of the stomach.

Bilirubin does not play a role in digestion but is a waste products excreted in the bile.

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

In general, the parasympathetic nervous system is to the digestive tract, whereas the sympathetic nervous system is .