Question 1

The duodenum receives secretions from the liver and pancreas.

Accepted Answer

A) True 
 B)False

Question 2

The pyloric gland area of the stomach antrum

Accepted Answer

A)  secretes gastrin. 
B)  is inhibited when gastric pH falls too low. 
C)  is stimulated by the presence of glucose. 
D)  both secretes gastrin and is inhibited when the gastric pH falls too low. 
E)  all of these answers. 
A)  secretes gastrin. 
B)  is inhibited when gastric pH falls too low. 
C)  is stimulated by the presence of glucose. 
D)  both secretes gastrin and is inhibited when the gastric pH falls too low. 
E)  all of these answers.

Question 3

During vomiting, the

Accepted Answer

A)  diaphragm contracts. 
B)  abdominal muscles contract. 
C)  stomach contracts. 
D)  both the diaphragm and the abdominal muscles contract. 
E)  all of these answers. 
A)  diaphragm contracts. 
B)  abdominal muscles contract. 
C)  stomach contracts. 
D)  both the diaphragm and the abdominal muscles contract. 
E)  all of these answers.

Question 4

The parietal cells of the gastric mucosa secrete

Accepted Answer

A)  HCl. 
B)  pepsinogen. 
C)  intrinsic factor. 
D)  both HCl and pepsinogen. 
E)  both HCl and intrinsic factor. 
A)  HCl. 
B)  pepsinogen. 
C)  intrinsic factor. 
D)  both HCl and pepsinogen. 
E)  both HCl and intrinsic factor.

Question 5

When worn-out red blood cells are destroyed, the hemoglobin is degraded to a yellow pigment known as ____________________, which is excreted into the bile.

Accepted Answer

The answer of When worn-out red blood cells are destroyed,...

Question 6

Match digestive enzyme with correct characteristic.
-Activation initiated by trypsin.

Accepted Answer

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

Question 7

9,500 ml of fluid is absorbed from the digestive tract daily. The ultimate source of most of this fluid is

Accepted Answer

A)  food and fluid ingested during meals. 
B)  stored within secretory cells of the digestive tract. 
C)  the plasma. 
D)  the accessory digestive organs. 
E)  metabolic water. 
A)  food and fluid ingested during meals. 
B)  stored within secretory cells of the digestive tract. 
C)  the plasma. 
D)  the accessory digestive organs. 
E)  metabolic water.

Question 8

The simple, or _____________ salivary reflex occurs when chemoreceptors and pressure receptors within the oral cavity respond to the presence of food.

Accepted Answer

The answer of The simple, or _____________ salivary reflex occurs...

Question 9

____________________ contractions are responsible for mixing the colonic contents, whereas ____________________ periodically propel the contents long distances.

Accepted Answer

haustral,

Question 10

Hormones collectively known as enterogastrones include: __________, _____________ and _____________.

Accepted Answer

secretin, cholecysto

Question 11

Which does not enter the duodenal lumen?

Accepted Answer

A)  trypsinogen. 
B)  bile salts. 
C)  disaccharidases. 
D)  gastric contents. 
E)  amylase. 
A)  trypsinogen. 
B)  bile salts. 
C)  disaccharidases. 
D)  gastric contents. 
E)  amylase.

Question 12

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.
-Bile emulsification

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 13

MATCHING
Match control mechanism with characteristic.
-cells of Cajal

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 14

Gastric secretion occurs only when food is present in the stomach.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following is not a side effect of constipation?

Accepted Answer

A)  headache. 
B)  nausea. 
C)  gradual buildup of toxins. 
D)  lack of appetite. 
E)  all of these answers. 
A)  headache. 
B)  nausea. 
C)  gradual buildup of toxins. 
D)  lack of appetite. 
E)  all of these answers.

Question 16

Indicate the site at which the following digestive processes take place by writing the appropriate letter in the blank using the following answer code:
-Bacterial production of vitamins.

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 17

Match structural unit with correct characteristic.
-Secretes digestive juices.

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 18

Which of the following is not a function of saliva? Saliva

Accepted Answer

A)  facilitates swallowing. 
B)  oral hygiene 
C)  dissolves glucose to facilitate its absorption by the oral mucosa. 
D)  has antibacterial action. 
E)  buffers acids in food 
A)  facilitates swallowing. 
B)  oral hygiene 
C)  dissolves glucose to facilitate its absorption by the oral mucosa. 
D)  has antibacterial action. 
E)  buffers acids in food

Question 19

Chylomicrons are large, coated droplets of ____________________.

Accepted Answer

The answer of Chylomicrons are large, coated droplets of ____________________....

Question 20

Which of the following is accomplished by chewing?

Accepted Answer

A)  grinding and breaking up food 
B)  mixing food with saliva to facilitate swallowing 
C)  reflexively increasing salivary, gastric, pancreatic, and bile secretion 
D)  two of these answers. 
E)  all of these answers. 
A)  grinding and breaking up food 
B)  mixing food with saliva to facilitate swallowing 
C)  reflexively increasing salivary, gastric, pancreatic, and bile secretion 
D)  two of these answers. 
E)  all of these answers.

The duodenum receives secretions from the liver and pancreas.

The pyloric gland area of the stomach antrum

During vomiting, the

The parietal cells of the gastric mucosa secrete

When worn-out red blood cells are destroyed, the hemoglobin is degraded to a yellow pigment known as ____________________, which is excreted into the bile.

Match digestive enzyme with correct characteristic. -Activation initiated by trypsin.

9,500 ml of fluid is absorbed from the digestive tract daily. The ultimate source of most of this fluid is

The simple, or _____________ salivary reflex occurs when chemoreceptors and pressure receptors within the oral cavity respond to the presence of food.

contractions are responsible for mixing the colonic contents, whereas periodically propel the contents long distances.

Hormones collectively known as enterogastrones include: ____, _ and _______.

Which does not enter the duodenal lumen?

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. -Bile emulsification

MATCHING Match control mechanism with characteristic. -cells of Cajal

Gastric secretion occurs only when food is present in the stomach.

Which of the following is not a side effect of constipation?

Indicate the site at which the following digestive processes take place by writing the appropriate letter in the blank using the following answer code: -Bacterial production of vitamins.

Match structural unit with correct characteristic. -Secretes digestive juices.

Which of the following is not a function of saliva? Saliva

Chylomicrons are large, coated droplets of ____________________.

Which of the following is accomplished by chewing?

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

The duodenum receives secretions from the liver and pancreas.

The pyloric gland area of the stomach antrum

During vomiting, the

The parietal cells of the gastric mucosa secrete

When worn-out red blood cells are destroyed, the hemoglobin is degraded to a yellow pigment known as ____________________, which is excreted into the bile.

Match digestive enzyme with correct characteristic. -Activation initiated by trypsin.

9,500 ml of fluid is absorbed from the digestive tract daily. The ultimate source of most of this fluid is

The simple, or _____________ salivary reflex occurs when chemoreceptors and pressure receptors within the oral cavity respond to the presence of food.

____________________ contractions are responsible for mixing the colonic contents, whereas ____________________ periodically propel the contents long distances.

Hormones collectively known as enterogastrones include: __________, _____________ and _____________.

Which does not enter the duodenal lumen?

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. -Bile emulsification

MATCHING Match control mechanism with characteristic. -cells of Cajal

Gastric secretion occurs only when food is present in the stomach.

Which of the following is not a side effect of constipation?

Indicate the site at which the following digestive processes take place by writing the appropriate letter in the blank using the following answer code: -Bacterial production of vitamins.

Match structural unit with correct characteristic. -Secretes digestive juices.

Which of the following is not a function of saliva? Saliva

Chylomicrons are large, coated droplets of ____________________.

Which of the following is accomplished by chewing?

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

contractions are responsible for mixing the colonic contents, whereas periodically propel the contents long distances.

Hormones collectively known as enterogastrones include: ____, _ and _______.