Question 1

Bile salts are important in fat digestion and absorption.

Accepted Answer

A) True 
 B)False

Question 2

Swallowing

Accepted Answer

A)  includes the movement of the bolus from the mouth to the stomach 
B)  includes only the movement of the bolus from the mouth to the esophagus 
C)  is a sequentially programmed, multiple response, all-or-none reflex 
D)  includes the movement of the bolus from the mouth to the stomach and is a sequentially programmed, multiple response, all-or-none reflex 
E)  includes only the movement of the bolus from the mouth to the esophagus and is a sequentially programmed, multiple response, all-or-none reflex 
A)  includes the movement of the bolus from the mouth to the stomach 
B)  includes only the movement of the bolus from the mouth to the esophagus 
C)  is a sequentially programmed, multiple response, all-or-none reflex 
D)  includes the movement of the bolus from the mouth to the stomach and is a sequentially programmed, multiple response, all-or-none reflex 
E)  includes only the movement of the bolus from the mouth to the esophagus and is a sequentially programmed, multiple response, all-or-none reflex

Question 3

Complete each of the following statments.
____________________ cells are the resident macrophages of the liver.

Accepted Answer

The answer of Complete each of the following statments.
____________________ cells...

Question 4

Receptive relaxation refers to the voluntary relaxation of the external anal sphincter when the individual is receptive to the defecation reflex.

Accepted Answer

A) True 
 B)False

Question 5

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 6

The primary absorption of nutrients, water, and electrolytes takes place in the large intestine, converting chyme to fecal material.

Accepted Answer

A) True 
 B)False

Question 7

Complete each of the following statments.
Carbohydrate digestion takes place in the ____________________ (what part?) of the stomach under the influence of ____________________ (what enzyme?), whereas protein digestion takes place in the ____________________ under the influence of ____________________.

Accepted Answer

body, sali

Question 8

Which of the following breakfasts would remain in the stomach the longest?

Accepted Answer

A)  toast, orange juice, and coffee 
B)  black coffee 
C)  fried eggs, bacon, and hash browns 
D)  bowl of cereal with skim milk 
E)  boiled egg, toast, and juice 
A)  toast, orange juice, and coffee 
B)  black coffee 
C)  fried eggs, bacon, and hash browns 
D)  bowl of cereal with skim milk 
E)  boiled egg, toast, and juice

Question 9

The small intestinal epithelium actively secretes digestive enzymes into the intestinal lumen.

Accepted Answer

A) True 
 B)False

Question 10

The pancreas is the primary site of digestive enzyme production.

Accepted Answer

A) True 
 B)False

Question 11

The liver receives venous blood coming directly from the digestive tract and arterial blood coming from the aorta.

Accepted Answer

A) True 
 B)False

Question 12

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

Accepted Answer

A) True 
 B)False

Question 13

Which of the following does not directly enter the blood upon being absorbed from the digestive tract?

Accepted Answer

A)  glucose 
B)  monoglycerides and free fatty acids 
C)  amino acids 
D)  alcohol 
E)  Vitamin B12 
A)  glucose 
B)  monoglycerides and free fatty acids 
C)  amino acids 
D)  alcohol 
E)  Vitamin B12

Question 14

The intrinsic nerve plexuses

Accepted Answer

A)  produce spontaneous depolarization of the smooth muscle cells in the wall of the digestive tract 
B)  are located in the mucosa 
C)  coordinate local activity in the digestive tract 
D)  produce spontaneous depolarization of the smooth muscle cells in the wall of the digestive tract and coordinate local activity in the digestive tract 
E)  none of these 
A)  produce spontaneous depolarization of the smooth muscle cells in the wall of the digestive tract 
B)  are located in the mucosa 
C)  coordinate local activity in the digestive tract 
D)  produce spontaneous depolarization of the smooth muscle cells in the wall of the digestive tract and coordinate local activity in the digestive tract 
E)  none of these

Question 15

Which of the following enters the duodenum?

Accepted Answer

A)  pancreatic secretions 
B)  bile 
C)  gastrin 
D)  pancreatic secretions and Bile 
E)  all of these 
A)  pancreatic secretions 
B)  bile 
C)  gastrin 
D)  pancreatic secretions and Bile 
E)  all of these

Question 16

____ do(es) 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 17

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

Accepted Answer

A) True 
 B)False

Question 18

The most important function of the stomach is to begin protein digestion.

Accepted Answer

A) True 
 B)False

Question 19

Venous flow into the liver is via the

Accepted Answer

A)  hepatic vein 
B)  hepatic portal system 
C)  sinusoidal system 
D)  mesenteric system 
E)  none of these 
A)  hepatic vein 
B)  hepatic portal system 
C)  sinusoidal system 
D)  mesenteric system 
E)  none of these

Question 20

Complete each of the following statments.
____________________ contractions are responsible for mixing the colonic contents, whereas ____________________ periodically propel the contents long distances.

Accepted Answer

Haustral,

Exam 16: A--The Digestive System

Bile salts are important in fat digestion and absorption.

Swallowing

Complete each of the following statments. ____________________ cells are the resident macrophages of the liver.

Receptive relaxation refers to the voluntary relaxation of the external anal sphincter when the individual is receptive to the defecation reflex.

The pyloric sphincter is located between the

The primary absorption of nutrients, water, and electrolytes takes place in the large intestine, converting chyme to fecal material.

Which of the following breakfasts would remain in the stomach the longest?

The small intestinal epithelium actively secretes digestive enzymes into the intestinal lumen.

The pancreas is the primary site of digestive enzyme production.

The liver receives venous blood coming directly from the digestive tract and arterial blood coming from the aorta.

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

Which of the following does not directly enter the blood upon being absorbed from the digestive tract?

The intrinsic nerve plexuses

Which of the following enters the duodenum?

____ do(es) not enter the duodenal lumen.

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

The most important function of the stomach is to begin protein digestion.

Venous flow into the liver is via the

Complete each of the following statments. ____________________ contractions are responsible for mixing the colonic contents, whereas ____________________ periodically propel the contents long distances.

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

A--The Central Nervous System

B--The Central Nervous System

A--The Peripheral Nervous System: Afferent Division; Special Senses

B--The Peripheral Nervous System: Afferent Division; Special Senses

The Peripheral Nervous System: Efferent Division

A--Muscle Physiology

B--Muscle Physiology

A--Cardiac Physiology

B--Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood

Body Defenses

A--The Respiratory System

B--The Respiratory System

A--The Urinary System

B--The Urinary System

A--Fluid and Acid-Base Balance

B--Fluid and Acid-Base Balance

B--The Digestive System

Energy Balance and Temperature Regulation

A--Principles of Endocrinology: the Central Endocrine Glands

B--Principles of Endocrinology: the Central Endocrine Glands

A--The Peripheral Endocrine Glands

B--The Peripheral Endocrine Glands

A--The Reproductive System

B--The Reproductive System

Filters

Complete each of the following statments. contractions are responsible for mixing the colonic contents, whereas periodically propel the contents long distances.