Question 1

What is the major stimulus for secretion of secretin?

Accepted Answer

A)  the sight and aroma of food 
B)  entry of a bolus into the esophagus 
C)  distension of the stomach 
D)  entry of acid chyme into the small intestine 
A)  the sight and aroma of food 
B)  entry of a bolus into the esophagus 
C)  distension of the stomach 
D)  entry of acid chyme into the small intestine

Question 2

What is NOT a function of saliva?

Accepted Answer

A)  It facilitates swallowing. 
B)  It serves as a solvent for molecules that stimulate taste buds. 
C)  It dissolves glucose to facilitate its absorption by the oral mucosa. 
D)  It has antibacterial action. 
A)  It facilitates swallowing. 
B)  It serves as a solvent for molecules that stimulate taste buds. 
C)  It dissolves glucose to facilitate its absorption by the oral mucosa. 
D)  It has antibacterial action.

Question 3

The islets of ____________________ are the endocrine cells of the pancreas.

Accepted Answer

The answer of The islets of ____________________ are the endocrine...

Question 4

Which substance is absorbed by the stomach?

Accepted Answer

A)  glucose 
B)  caffeine 
C)  aspirin 
D)  amino acids 
A)  glucose 
B)  caffeine 
C)  aspirin 
D)  amino acids

Question 5

The intrinsic nerve plexuses innervate smooth muscle and exocrine gland cells but do not influence endocrine gland cells within the digestive system.

Accepted Answer

A) True 
 B)False

Question 6

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):
-activated by HCl

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 7

Which statement is NOT a side effect of constipation?

Accepted Answer

A)  Headache 
B)  Nausea 
C)  gradual buildup of toxins 
D)  lack of appetite 
A)  Headache 
B)  Nausea 
C)  gradual buildup of toxins 
D)  lack of appetite

Question 8

Which statement regarding gastric motility and emptying is INCORRECT?

Accepted Answer

A)  Increased fluidity allows more rapid emptying. 
B)  Presence of acid and fat in the stomach initiates the enterogastric reflex. 
C)  Increased gastric volume stimulates motility. 
D)  Vagal activity stimulates motility. 
A)  Increased fluidity allows more rapid emptying. 
B)  Presence of acid and fat in the stomach initiates the enterogastric reflex. 
C)  Increased gastric volume stimulates motility. 
D)  Vagal activity stimulates motility.

Question 9

Indicate which item in the top column best describes the item in the bottom column by using the answer code:
-salivary amylase

Accepted Answer

A) secretes NaHCO3 
B) enzyme for protein digestion secreted by pancreas 
C) activates pepsinogen 
D) enzyme for fat digestion 
E) functions inside brush border
F)secretes gastrin
G)stimulates parietal and chief cells
H)enzyme for carbohydrate digestion that functions primarily in the body of the stomach
I)secreted by chief cells
J)secretes pancreatic enzymes
K)secreted by duodenal cells in response to the presence of acid
L)stimulates pancreatic acinar cells 
A) secretes NaHCO3 
B) enzyme for protein digestion secreted by pancreas 
C) activates pepsinogen 
D) enzyme for fat digestion 
E) functions inside brush border
F)secretes gastrin
G)stimulates parietal and chief cells
H)enzyme for carbohydrate digestion that functions primarily in the body of the stomach
I)secreted by chief cells
J)secretes pancreatic enzymes
K)secreted by duodenal cells in response to the presence of acid
L)stimulates pancreatic acinar cells

Question 10

Where is the pyloric sphincter located?

Accepted Answer

A)  between the esophagus and stomach 
B)  between the oral cavity and esophagus 
C)  between the large intestine and rectum 
D)  between the stomach and small intestine 
A)  between the esophagus and stomach 
B)  between the oral cavity and esophagus 
C)  between the large intestine and rectum 
D)  between the stomach and small intestine

Question 11

Which statement concerning defecation reflex is NOT correct?

Accepted Answer

A)  It is initiated when mass movements force fecal material into the rectum, stimulating stretch receptors in the rectal wall. 
B)  It involves relaxation of the internal anal sphincter and contraction of the sigmoid colon and rectum. 
C)  It cannot be overridden by voluntary contraction of the external anal sphincter. 
D)  a and b 
A)  It is initiated when mass movements force fecal material into the rectum, stimulating stretch receptors in the rectal wall. 
B)  It involves relaxation of the internal anal sphincter and contraction of the sigmoid colon and rectum. 
C)  It cannot be overridden by voluntary contraction of the external anal sphincter. 
D)  a and b

Question 12

What are carbohydrates absorbed as?

Accepted Answer

A)  polysaccharides 
B)  disaccharides 
C)  monosaccharides 
D)  amino acids 
A)  polysaccharides 
B)  disaccharides 
C)  monosaccharides 
D)  amino acids

Question 13

Indicate which hormone(s) is being described by using the answer code (options may be used more than once or not at all):
-known as an enterogastrone

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 14

HCl activates pepsinogen.

Accepted Answer

A) True 
 B)False

Question 15

Stimulation of the taste buds increases gastric secretions.

Accepted Answer

A) True 
 B)False

Question 16

Which statement concerning fat-soluble vitamins is correct?

Accepted Answer

A)  They are digested by lipases. 
B)  They are actively absorbed. 
C)  They are absorbed in micelles. 
D)  They are absorbed through the digestive tract. 
A)  They are digested by lipases. 
B)  They are actively absorbed. 
C)  They are absorbed in micelles. 
D)  They are absorbed through the digestive tract.

Question 17

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

Accepted Answer

Haustral,m

Question 18

The most potent stimulus for inhibiting gastric motility and emptying is ____________________.

Accepted Answer

fat in the

Question 19

What happens during vomiting?

Accepted Answer

A)  The diaphragm contracts. 
B)  The thorax contracts 
C)  The stomach contracts. 
A)  The diaphragm contracts. 
B)  The thorax contracts 
C)  The stomach contracts.

Question 20

The presence of protein in the stomach stimulates the release of histamine,which in turn promotes HCl and pepsinogen secretion.

Accepted Answer

A) True 
 B)False

What is the major stimulus for secretion of secretin?

What is NOT a function of saliva?

The islets of ____________________ are the endocrine cells of the pancreas.

Which substance is absorbed by the stomach?

The intrinsic nerve plexuses innervate smooth muscle and exocrine gland cells but do not influence endocrine gland cells within the digestive system.

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): -activated by HCl

Which statement is NOT a side effect of constipation?

Which statement regarding gastric motility and emptying is INCORRECT?

Indicate which item in the top column best describes the item in the bottom column by using the answer code: -salivary amylase

Where is the pyloric sphincter located?

Which statement concerning defecation reflex is NOT correct?

What are carbohydrates absorbed as?

Indicate which hormone(s) is being described by using the answer code (options may be used more than once or not at all): -known as an enterogastrone

HCl activates pepsinogen.

Stimulation of the taste buds increases gastric secretions.

Which statement concerning fat-soluble vitamins is correct?

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

The most potent stimulus for inhibiting gastric motility and emptying is ____________________.

What happens during vomiting?

The presence of protein in the stomach stimulates the release of histamine,which in turn promotes HCl and pepsinogen secretion.

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

What is the major stimulus for secretion of secretin?

What is NOT a function of saliva?

The islets of ____________________ are the endocrine cells of the pancreas.

Which substance is absorbed by the stomach?

The intrinsic nerve plexuses innervate smooth muscle and exocrine gland cells but do not influence endocrine gland cells within the digestive system.

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): -activated by HCl

Which statement is NOT a side effect of constipation?

Which statement regarding gastric motility and emptying is INCORRECT?

Indicate which item in the top column best describes the item in the bottom column by using the answer code: -salivary amylase

Where is the pyloric sphincter located?

Which statement concerning defecation reflex is NOT correct?

What are carbohydrates absorbed as?

Indicate which hormone(s) is being described by using the answer code (options may be used more than once or not at all): -known as an enterogastrone

HCl activates pepsinogen.

Stimulation of the taste buds increases gastric secretions.

Which statement concerning fat-soluble vitamins is correct?

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

The most potent stimulus for inhibiting gastric motility and emptying is ____________________.

What happens during vomiting?

The presence of protein in the stomach stimulates the release of histamine,which in turn promotes HCl and pepsinogen secretion.

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

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