Question 1

Excessive accumulation of bilirubin in the body produces the condition of ____________________.

Accepted Answer

The answer of Excessive accumulation of bilirubin in the body...

Question 2

Which statement concerning swallowing is Not true?

Accepted Answer

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

Question 3

MATCHING
Match the control mechanism with the characteristic by using the answer code (options may be used more than once or not at all):
-responsible for coordinating local activity within the digestive tract

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 4

Which statement concerning the process of salivation is INCORRECT?

Accepted Answer

A)  Salivation is entirely under neural control. 
B)  Parasympathetic stimulation and sympathetic stimulation both increase salivary secretion. 
C)  The acquired salivary reflex occurs upon stimulation of chemoreceptors and/or pressure receptors in the mouth. 
D)  Parasympathetic stimulation produces a watery saliva rich in enzymes. 
A)  Salivation is entirely under neural control. 
B)  Parasympathetic stimulation and sympathetic stimulation both increase salivary secretion. 
C)  The acquired salivary reflex occurs upon stimulation of chemoreceptors and/or pressure receptors in the mouth. 
D)  Parasympathetic stimulation produces a watery saliva rich in enzymes.

Question 5

What causes the typical coloration of the feces?

Accepted Answer

A)  bile salts 
B)  undigested cellulose 
C)  aqueous NaHCO3 secretion 
D)  bilirubin 
A)  bile salts 
B)  undigested cellulose 
C)  aqueous NaHCO3 secretion 
D)  bilirubin

Question 6

Which statement 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)  Chymotrypsinogen hydrolyzes starches and glycogen. 
A)  Chymotrypsinogen is activated by enterokinase. 
B)  Once activated, chymotrypsinogen is involved in protein digestion. 
C)  Chymotrypsinogen is secreted by the endocrine pancreas. 
D)  Chymotrypsinogen hydrolyzes starches and glycogen.

Question 7

Sympathetic stimulation inhibits salivary secretion.

Accepted Answer

A) True 
 B)False

Question 8

Which enzyme is NOT secreted into the duodenal lumen?

Accepted Answer

A)  aminopeptidase 
B)  Lipase 
C)  trypsinogen 
D)  procarboxypeptidase 
A)  aminopeptidase 
B)  Lipase 
C)  trypsinogen 
D)  procarboxypeptidase

Question 9

Indicate which digestive secretion is being described in each question by writing the appropriate letter using the answer code (options may be used more than once or not at all):
-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 10

Indicate the site at which digestion of each of the three main categories of foodstuff commences and is completed by using the answer code (options may be used more than once or not at all):
-protein digestion begins

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 11

Which statement regarding control of digestive processes is INCORRECT?

Accepted Answer

A)  Short reflexes influence motility and secretion in localized areas. 
B)  All elements of the short reflexes are contained within the digestive organ's wall. 
C)  Hormones play a role. 
D)  Osmoreceptors monitor the acidity of the luminal contents. 
A)  Short reflexes influence motility and secretion in localized areas. 
B)  All elements of the short reflexes are contained within the digestive organ's wall. 
C)  Hormones play a role. 
D)  Osmoreceptors monitor the acidity of the luminal contents.

Question 12

The epiglottis opens the glottis during the swallowing reflex.

Accepted Answer

A) True 
 B)False

Question 13

What prevents food from entering the nasal passages during swallowing?

Accepted Answer

A)  elevation of the uvula 
B)  contraction of the pharyngeal muscles 
C)  positioning of the tongue 
D)  tight apposition of the vocal cords over the glottis 
A)  elevation of the uvula 
B)  contraction of the pharyngeal muscles 
C)  positioning of the tongue 
D)  tight apposition of the vocal cords over the glottis

Question 14

Which statement regarding control of pancreatic secretion is INCORRECT?

Accepted Answer

A)  Gastrin stimulates release of neutralization solution. 
B)  CCK stimulates release of enzymes. 
C)  Secretin stimulates release of bicarbonate. 
A)  Gastrin stimulates release of neutralization solution. 
B)  CCK stimulates release of enzymes. 
C)  Secretin stimulates release of bicarbonate.

Question 15

Which statement concerning the BER is correct?

Accepted Answer

A)  It is a basic eating reflex that ensures that food is moved along the digestive tract at an appropriate rate. 
B)  It is a basic electrical rhythm consisting of spontaneous, rhythmic, wavelike fluctuations in membrane potential. 
C)  It is a basic emptying reflex, which governs the rate of gastric emptying. 
D)  It is a bowel evacuation reflex, or defecation reflex. 
A)  It is a basic eating reflex that ensures that food is moved along the digestive tract at an appropriate rate. 
B)  It is a basic electrical rhythm consisting of spontaneous, rhythmic, wavelike fluctuations in membrane potential. 
C)  It is a basic emptying reflex, which governs the rate of gastric emptying. 
D)  It is a bowel evacuation reflex, or defecation reflex.

Question 16

The three gastrointestinal hormones that function as enterogastrones are ____________________,____________________,and ____________________.

Accepted Answer

-secretin,cholecystokinin,gastric inhibi

Question 17

Indicate which hormone(s) is being described by using the answer code (options may be used more than once or not at all):
-stimulate(s)pancreatic aqueous NaHCO₃ 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 18

Indicate which digestive secretion is being described in each question by writing the appropriate letter using the answer code (options may be used more than once or not at all):
-pancreatic enzyme that digests carbohydrate

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 19

Why are epithelial cells continually being shed from the villi?

Accepted Answer

A)  The intracellular enzymes digest important cellular constituents, causing the cells to disintegrate and slough. 
B)  The body needs a continual supply of protein derived from the digestion of these cells. 
C)  New cells are continually being produced in the crypts at the base of the villi and migrate upward. 
D)  Acid entering the small intestine from the stomach constantly destroys the small intestinal lining, causing the cells to slough. 
A)  The intracellular enzymes digest important cellular constituents, causing the cells to disintegrate and slough. 
B)  The body needs a continual supply of protein derived from the digestion of these cells. 
C)  New cells are continually being produced in the crypts at the base of the villi and migrate upward. 
D)  Acid entering the small intestine from the stomach constantly destroys the small intestinal lining, causing the cells to slough.

Question 20

The ultimate source of the fluids secreted into the digestive tract is the plasma.

Accepted Answer

A) True 
 B)False

Excessive accumulation of bilirubin in the body produces the condition of ____________________.

Which statement concerning swallowing is Not true?

MATCHING Match the control mechanism with the characteristic by using the answer code (options may be used more than once or not at all): -responsible for coordinating local activity within the digestive tract

Which statement concerning the process of salivation is INCORRECT?

What causes the typical coloration of the feces?

Which statement accurately describes chymotrypsinogen?

Sympathetic stimulation inhibits salivary secretion.

Which enzyme is NOT secreted into the duodenal lumen?

Indicate which digestive secretion is being described in each question by writing the appropriate letter using the answer code (options may be used more than once or not at all): -recycled many times through enterohepatic circulation

Indicate the site at which digestion of each of the three main categories of foodstuff commences and is completed by using the answer code (options may be used more than once or not at all): -protein digestion begins

Which statement regarding control of digestive processes is INCORRECT?

The epiglottis opens the glottis during the swallowing reflex.

What prevents food from entering the nasal passages during swallowing?

Which statement regarding control of pancreatic secretion is INCORRECT?

Which statement concerning the BER is correct?

The three gastrointestinal hormones that function as enterogastrones are ,,and .

Indicate which hormone(s) is being described by using the answer code (options may be used more than once or not at all): -stimulate(s)pancreatic aqueous NaHCO₃ secretion

Indicate which digestive secretion is being described in each question by writing the appropriate letter using the answer code (options may be used more than once or not at all): -pancreatic enzyme that digests carbohydrate

Why are epithelial cells continually being shed from the villi?

The ultimate source of the fluids secreted into the digestive tract is the plasma.

The Foundation of Physiology

Cell Physiology

The Central Nervous System

The Peripheral Nervous System

Principals of Endocrinology; The Central Endocrine Glands

Muscle Physiology

Cardiac Physiology

Vascular Physiology

The Blood

Body Defences

The Respiratory System

The Urinary System

Fluid and Acid Base Balance

Energy Balance and Temperature Regulation

The Endocrine Glands

The Reproductive System

Filters

Exam 14: The Digestive System

Excessive accumulation of bilirubin in the body produces the condition of ____________________.

Which statement concerning swallowing is Not true?

MATCHING Match the control mechanism with the characteristic by using the answer code (options may be used more than once or not at all): -responsible for coordinating local activity within the digestive tract

Which statement concerning the process of salivation is INCORRECT?

What causes the typical coloration of the feces?

Which statement accurately describes chymotrypsinogen?

Sympathetic stimulation inhibits salivary secretion.

Which enzyme is NOT secreted into the duodenal lumen?

Indicate which digestive secretion is being described in each question by writing the appropriate letter using the answer code (options may be used more than once or not at all): -recycled many times through enterohepatic circulation

Indicate the site at which digestion of each of the three main categories of foodstuff commences and is completed by using the answer code (options may be used more than once or not at all): -protein digestion begins

Which statement regarding control of digestive processes is INCORRECT?

The epiglottis opens the glottis during the swallowing reflex.

What prevents food from entering the nasal passages during swallowing?

Which statement regarding control of pancreatic secretion is INCORRECT?

Which statement concerning the BER is correct?

The three gastrointestinal hormones that function as enterogastrones are ____________________,____________________,and ____________________.

Indicate which hormone(s) is being described by using the answer code (options may be used more than once or not at all): -stimulate(s)pancreatic aqueous NaHCO₃ secretion

Indicate which digestive secretion is being described in each question by writing the appropriate letter using the answer code (options may be used more than once or not at all): -pancreatic enzyme that digests carbohydrate

Why are epithelial cells continually being shed from the villi?

The ultimate source of the fluids secreted into the digestive tract is the plasma.

The Foundation of Physiology

Cell Physiology

The Central Nervous System

The Peripheral Nervous System

Principals of Endocrinology; The Central Endocrine Glands

Muscle Physiology

Cardiac Physiology

Vascular Physiology

The Blood

Body Defences

The Respiratory System

The Urinary System

Fluid and Acid Base Balance

Energy Balance and Temperature Regulation

The Endocrine Glands

The Reproductive System

Filters

The three gastrointestinal hormones that function as enterogastrones are ,,and .