Question 1

Which statement 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.
E)  The salivary center is located in the medulla.

Question 2

Which of the following is not a component of saliva?

Accepted Answer

A)  amylase
B)  mucus
C)  pepsin
D)  lysozyme
E)  water

Question 3

_______________ is the plasma protein that transports iron in the blood, whereas ___________ is the granular form of iron stored in the small intestine epithelial cells.

Accepted Answer

Transferri...

Question 4

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

Accepted Answer

A) True 
 B)False

Question 5

The pancreas does not

Accepted Answer

A)  have endocrine tissue
B)  have exocrine tissue
C)  secrete an alkaline fluid
D)  secrete pepsinogen
E)  secrete trypsinogen

Question 6

The gastroesophageal sphincter is normally closed to prevent

Accepted Answer

A)  air from entering the esophagus during breathing
B)  gastric contents from refluxing into the esophagus
C)  vomiting
D)  esophageal leaking into the stomach
E)  food from entering the pharynx

Question 7

During defecation, the internal anal sphincter relaxes.

Accepted Answer

A) True 
 B)False

Question 8

Indicate which item in the top column best describes the item in the bottom column by writing the appropriate letter in the blank.
a.Secretes NaHCO3
b.Enzyme for protein digestion secreted by pancreas
c.First to activate 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
-Cholecystokinin

Accepted Answer

The answer of Indicate which item in the top column...

Question 9

Most of the digestive secretions do not remain in the fecal material.

Accepted Answer

A) True 
 B)False

Question 10

The defecation reflex

Accepted Answer

A)  is initiated when mass movements force fecal material into the rectum, stimulating stretch receptors in the rectal wall
B)  involves relaxation of the internal anal sphincter
C)  involves contraction of the sigmoid colon and rectum
D)  can be overridden by voluntary contraction of the external anal sphincter
E)  has all of the above characteristics

Question 11

The principal clinical manifestation of pancreatic exocrine insufficiency is incomplete protein digestion resulting from the deficiency of the powerful pancreatic proteolytic enzymes.

Accepted Answer

A) True 
 B)False

Question 12

Blood flow into the liver is via the

Accepted Answer

A)  hepatic vein
B)  hepatic portal vein
C)  hepatic artery
D)  all of the above
E)  only b and c

Question 13

The PGA is directly inhibited from releasing gastrin by a high concentration of _____________ ions in the stomach..

Accepted Answer

The answer of The PGA is directly inhibited from releasing...

Question 14

Carbohydrate digestion takes place in the ____________________ (what part?) of the stomach under the influence of ____________________ (what enzyme?).

Accepted Answer

BODY, SALI...

Question 15

Which statement about cholecystokinin is incorrect?

Accepted Answer

A)  It is secreted by the endocrine portion of the pancreas.
B)  It stimulates pancreatic bicarbonate secretion.
C)  It causes contraction of the gallbladder.
D)  Both a and c
E)  All of the above

Question 16

The four basic digestive processes are ____________________, ____________________, ____________________, and ____________________.

Accepted Answer

motility, ...

Question 17

Absorption of ______ is/are linked to active sodium absorption at the basolateral border of the epithelial cell.

Accepted Answer

A)  water
B)  glucose
C)  galactose
D)  amino acids
E)  all of the above

Question 18

Which statement is incorrect about parasympathetic stimulation of the digestive system?

Accepted Answer

A)  In general, it is excitatory for digestive organs.
B)  It comes primarily through the vagus nerve.
C)  It is part of the extrinsic nerve supply to the digestive tract.
D)  It causes salivary glands to secrete saliva rich in mucus.
E)  It increases salivary, gastric, pancreatic, and biliary secretion.

Question 19

Indicate which hormone(s) is being described by writing the appropriate letter in the blank using the following answer code.
a.secretin and CCK
b.secretin
c.CCK
d.gastrin
-Secreted by the pyloric gland area

Accepted Answer

The answer of Indicate which hormone(s) is being described by...

Question 20

Bile acts on

Accepted Answer

A)  distention of the stomach
B)  gastrin
C)  carbohydrate in the stomach
D)  fat in the duodenum
E)  fat in the stomach

Exam 16: The Digestive System

Blood flow into the liver is via the

Correct Answer
verified

The gastroesophageal sphincter is normally closed to prevent

Correct Answer
verified

Carbohydrate digestion takes place in the (what part?) of the stomach under the influence of (what enzyme?).

Correct Answer
verified
BODY, SALI...
View Answer

Most of the digestive secretions do not remain in the fecal material.

Correct Answer
verified

Which of the following is not a component of saliva?

Correct Answer
verified

Which statement is incorrect about parasympathetic stimulation of the digestive system?

Correct Answer
verified

Absorption of ______ is/are linked to active sodium absorption at the basolateral border of the epithelial cell.

Correct Answer
verified

The pancreas does not

Correct Answer
verified

Correct Answer
verified

Which statement about cholecystokinin is incorrect?

Correct Answer
verified

The four basic digestive processes are , , , and .

Correct Answer
verified
motility, ...
View Answer

The principal clinical manifestation of pancreatic exocrine insufficiency is incomplete protein digestion resulting from the deficiency of the powerful pancreatic proteolytic enzymes.

Correct Answer
verified

The PGA is directly inhibited from releasing gastrin by a high concentration of _____________ ions in the stomach..

Correct Answer
verified

Indicate which hormone(s) is being described by writing the appropriate letter in the blank using the following answer code. a.secretin and CCK b.secretin c.CCK d.gastrin -Secreted by the pyloric gland area

Correct Answer
verified

The defecation reflex

Correct Answer
verified

During defecation, the internal anal sphincter relaxes.

Correct Answer
verified

Bile acts on

Correct Answer
verified

Which statement is incorrect?

Correct Answer
verified

_____ is the plasma protein that transports iron in the blood, whereas _ is the granular form of iron stored in the small intestine epithelial cells.

Correct Answer
verified
Transferri...
View Answer

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

Correct Answer
verified

Exam 16: The Digestive System

Blood flow into the liver is via the

Correct AnswerverifiedShow Answer

The gastroesophageal sphincter is normally closed to prevent

Correct AnswerverifiedShow Answer

Carbohydrate digestion takes place in the ____________________ (what part?) of the stomach under the influence of ____________________ (what enzyme?).

Correct AnswerverifiedBODY, SALI...View AnswerShow Answer

Most of the digestive secretions do not remain in the fecal material.

Correct AnswerverifiedShow Answer

Which of the following is not a component of saliva?

Correct AnswerverifiedShow Answer

Which statement is incorrect about parasympathetic stimulation of the digestive system?

Correct AnswerverifiedShow Answer

Absorption of ______ is/are linked to active sodium absorption at the basolateral border of the epithelial cell.

Correct AnswerverifiedShow Answer

The pancreas does not

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Which statement about cholecystokinin is incorrect?

Correct AnswerverifiedShow Answer

The four basic digestive processes are ____________________, ____________________, ____________________, and ____________________.

Correct Answerverifiedmotility, ...View AnswerShow Answer

The principal clinical manifestation of pancreatic exocrine insufficiency is incomplete protein digestion resulting from the deficiency of the powerful pancreatic proteolytic enzymes.

Correct AnswerverifiedShow Answer

The PGA is directly inhibited from releasing gastrin by a high concentration of _____________ ions in the stomach..

Correct AnswerverifiedShow Answer

Indicate which hormone(s) is being described by writing the appropriate letter in the blank using the following answer code. a.secretin and CCK b.secretin c.CCK d.gastrin -Secreted by the pyloric gland area

Correct AnswerverifiedShow Answer

The defecation reflex

Correct AnswerverifiedShow Answer

During defecation, the internal anal sphincter relaxes.

Correct AnswerverifiedShow Answer

Bile acts on

Correct AnswerverifiedShow Answer

Which statement is incorrect?

Correct AnswerverifiedShow Answer

_______________ is the plasma protein that transports iron in the blood, whereas ___________ is the granular form of iron stored in the small intestine epithelial cells.

Correct AnswerverifiedTransferri...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Carbohydrate digestion takes place in the (what part?) of the stomach under the influence of (what enzyme?).

Correct Answer
verified
BODY, SALI...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

The four basic digestive processes are , , , and .

Correct Answer
verified
motility, ...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

_____ is the plasma protein that transports iron in the blood, whereas _ is the granular form of iron stored in the small intestine epithelial cells.

Correct Answer
verified
Transferri...
View Answer

Correct Answer
verified