Question 1

Indicate which hormone(s) is being described by writing the appropriate letter in the blank using the following answer code:
-Secretion is inhibited by a low pH.

Accepted Answer

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

Question 2

Of the fluid entering the small intestine, ____% is reabsorbed.

Accepted Answer

A)  100 
B)  95 
C)  85 
D)  50 
E)  < 50 
A)  100 
B)  95 
C)  85 
D)  50 
E)  < 50 B

Question 3

The symptoms of constipation (e.g., abdominal discomfort, headache, and nausea) are due to which of the following?

Accepted Answer

A)  inhibition of gastric emptying. 
B)  absorption of toxins of bacterial origin from the colon. 
C)  prolonged distention of the large intestine by the fecal mass. 
D)  exhaustion due to frequent straining movements in an effort to initiate the defecation reflex. 
E)  the accumulation of large amounts of fluid in the colon. 
A)  inhibition of gastric emptying. 
B)  absorption of toxins of bacterial origin from the colon. 
C)  prolonged distention of the large intestine by the fecal mass. 
D)  exhaustion due to frequent straining movements in an effort to initiate the defecation reflex. 
E)  the accumulation of large amounts of fluid in the colon. C

Question 4

Enterogastrones are produced by the stomach.

Accepted Answer

A) True 
 B)False

Question 5

Match digestive enzyme with correct characteristic.
-Only enzyme for fat digestion.

Accepted Answer

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

Question 6

Which of the following accurately describes chymotrypsinogen?

Accepted Answer

A)  chymotrypsinogen is activated by enterokinase. 
B)  once activated, chymotrypsinogen is involved in protein digestion. 
C)  chymotrypsinogen is secreted by the endocrine pancreas. 
D)  all of these answers. 
E)  none of these answers. 
A)  chymotrypsinogen is activated by enterokinase. 
B)  once activated, chymotrypsinogen is involved in protein digestion. 
C)  chymotrypsinogen is secreted by the endocrine pancreas. 
D)  all of these answers. 
E)  none of these answers.

Question 7

Which of the following statements concerning cholecystokinin (CCK) is not correct?

Accepted Answer

A)  it is secreted by the duodenum 
B)  stimulates the pancreas to secrete digestive enzymes 
C)  stimulates bile secretion 
D)  stimulates alkaline buffer secretion by the pancreas 
E)  slows down stomach emptying 
A)  it is secreted by the duodenum 
B)  stimulates the pancreas to secrete digestive enzymes 
C)  stimulates bile secretion 
D)  stimulates alkaline buffer secretion by the pancreas 
E)  slows down stomach emptying

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.
-Micelle moves to brush border, fatty acids and monoglyceride diffuse into cell

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

The primary factor governing the rate of gastric emptying is the volume of the gastric contents.

Accepted Answer

A) True 
 B)False

Question 10

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

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 11

Indicate the site at which the following digestive processes take place by writing the appropriate letter in the blank using the following answer code:
-Site of receptive relaxation.

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 12

MATCHING
Match control mechanism with characteristic.
-pathway by which factors outside of the digestive system can influence digestion

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 13

Indicate the site at which the following digestive processes take place by writing the appropriate letter in the blank using the following answer code:
-Second phase of carbohydrate digestion.

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 14

The swallowing center does not initiate and coordinate secondary peristaltic waves.

Accepted Answer

A) True 
 B)False

Question 15

Mass movements occur in which portion of the colon:

Accepted Answer

A)  ascending. 
B)  transverse 
C)  descending. 
D)  both (a) and (b) 
E)  all of the above 
A)  ascending. 
B)  transverse 
C)  descending. 
D)  both (a) and (b) 
E)  all of the above

Question 16

The small intestinal digestive enzymes

Accepted Answer

A)  are secreted into the lumen, where they perform their function. 
B)  act intracellularly within the brush borders. 
C)  complete the digestion of carbohydrates. 
D)  both (a) and (c) above. 
E)  both (b) and (c) above. 
A)  are secreted into the lumen, where they perform their function. 
B)  act intracellularly within the brush borders. 
C)  complete the digestion of carbohydrates. 
D)  both (a) and (c) above. 
E)  both (b) and (c) above.

Question 17

Which of the following statements concerning HCl secretion by the stomach is correct?

Accepted Answer

A)  HCl inactivates salivary amylase 
B)  HCl activates pepsinogen. 
C)  provides an acid medium for optimal pepsin activity. 
D)  denatures proteins 
E)  all of these answers. 
A)  HCl inactivates salivary amylase 
B)  HCl activates pepsinogen. 
C)  provides an acid medium for optimal pepsin activity. 
D)  denatures proteins 
E)  all of these answers.

Question 18

The major metabolic waste product eliminated in the feces is bilirubin.

Accepted Answer

A) True 
 B)False

Question 19

Indicate which digestive secretion is being described in each question by writing the appropriate letter in the blank using the following answer code.
-Recycled many times through enterohepatic circulation.

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 20

Intrinsic factor is important in the absorption of _____________

Accepted Answer

The answer of Intrinsic factor is important in the absorption...

Indicate which hormone(s) is being described by writing the appropriate letter in the blank using the following answer code: -Secretion is inhibited by a low pH.

Of the fluid entering the small intestine, ____% is reabsorbed.

The symptoms of constipation (e.g., abdominal discomfort, headache, and nausea) are due to which of the following?

Enterogastrones are produced by the stomach.

Match digestive enzyme with correct characteristic. -Only enzyme for fat digestion.

Which of the following accurately describes chymotrypsinogen?

Which of the following statements concerning cholecystokinin (CCK) is not correct?

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. -Micelle moves to brush border, fatty acids and monoglyceride diffuse into cell

The primary factor governing the rate of gastric emptying is the volume of the gastric contents.

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

Indicate the site at which the following digestive processes take place by writing the appropriate letter in the blank using the following answer code: -Site of receptive relaxation.

MATCHING Match control mechanism with characteristic. -pathway by which factors outside of the digestive system can influence digestion

Indicate the site at which the following digestive processes take place by writing the appropriate letter in the blank using the following answer code: -Second phase of carbohydrate digestion.

The swallowing center does not initiate and coordinate secondary peristaltic waves.

Mass movements occur in which portion of the colon:

The small intestinal digestive enzymes

Which of the following statements concerning HCl secretion by the stomach is correct?

The major metabolic waste product eliminated in the feces is bilirubin.

Indicate which digestive secretion is being described in each question by writing the appropriate letter in the blank using the following answer code. -Recycled many times through enterohepatic circulation.

Intrinsic factor is important in the absorption of _____________

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

Indicate which hormone(s) is being described by writing the appropriate letter in the blank using the following answer code: -Secretion is inhibited by a low pH.

Of the fluid entering the small intestine, ____% is reabsorbed.

The symptoms of constipation (e.g., abdominal discomfort, headache, and nausea) are due to which of the following?

Enterogastrones are produced by the stomach.

Match digestive enzyme with correct characteristic. -Only enzyme for fat digestion.

Which of the following accurately describes chymotrypsinogen?

Which of the following statements concerning cholecystokinin (CCK) is not correct?

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. -Micelle moves to brush border, fatty acids and monoglyceride diffuse into cell

The primary factor governing the rate of gastric emptying is the volume of the gastric contents.

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

Indicate the site at which the following digestive processes take place by writing the appropriate letter in the blank using the following answer code: -Site of receptive relaxation.

MATCHING Match control mechanism with characteristic. -pathway by which factors outside of the digestive system can influence digestion

Indicate the site at which the following digestive processes take place by writing the appropriate letter in the blank using the following answer code: -Second phase of carbohydrate digestion.

The swallowing center does not initiate and coordinate secondary peristaltic waves.

Mass movements occur in which portion of the colon:

The small intestinal digestive enzymes

Which of the following statements concerning HCl secretion by the stomach is correct?

The major metabolic waste product eliminated in the feces is bilirubin.

Indicate which digestive secretion is being described in each question by writing the appropriate letter in the blank using the following answer code. -Recycled many times through enterohepatic circulation.

Intrinsic factor is important in the absorption of _____________

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