Question 1

Because of the hepatic portal vein,the ________ is the first organ to receive most of the products of digestion.

Accepted Answer

A)  liver
B)  kidney
C)  pancreas
D)  brain
E)  heartF) C) and D)
G) B) and D)

Question 2

Which process in the diagram causes the greatest insulin release?

Accepted Answer

A)  II
B)  III
C)  I
D)  both I and II equally
E)  both II and III equallyF) A) and B)
G) B) and D)

Question 3

In horses,rodents,and lagomorphs,the digestion of cellulose by microorganisms takes place in the

Accepted Answer

A)  duodenum.
B)  reticulum.
C)  cecum.
D)  omasum.
E)  abomasum.F) C) and D)
G) All of the above

Question 4

Most digestion in humans occurs in the first 25 centimeters of the 6-meter length of the small intestine called the ________.

Accepted Answer

A)  cecum
B)  jejunum
C)  duodenum
D)  omasum
E)  colonF) A) and D)
G) A) and C)

Question 5

A patient with advanced colon cancer just had most of his large intestine removed.What process will be most reduced in this patient as compared to a healthy person?

Accepted Answer

A)  digestion of cellulose
B)  detoxification of harmful substances
C)  absorption of fatty acids and glycerol into lymph capillaries
D)  absorption of sugars and amino acids into the blood
E)  absorption of water into the bloodF) B) and E)
G) A) and E)

Question 6

A new mammal has been discovered in the thickly-forested mountains of Papua New Guinea.The squirrel-like animal lives in the canopy of the forest and has a diet rich in leaves.On occasion,however,the animal drops to the ground to quickly fill its cheeks with its own fecal droppings,for ingestion once it is safely back in the trees.The GI tract of this animal would most likely include ________.

Accepted Answer

A)  a four-chambered stomach and long intestines
B)  a long small intestine with abundant villi and an appendix at the beginning of the large intestine
C)  a simple stomach and a large cecum
D)  a short intestine and no cecum
E)  a simple stomach,a short small intestine and colon,and a small cecumF) None of the above
G) A) and C)

Question 7

Dr.Jones has just discovered that a patient who suffers from extreme obesity has abnormal levels of two different classes of proteins that regulate appetite.Select the most-likely protein profile for this patient from the above diagram.

Accepted Answer

A)  A
B)  B
C)  C
D)  DE) B) and C)
F) A) and C)

Question 8

The gizzard is to a bird as the ________ is/are to a mammal.

Accepted Answer

A)  teeth
B)  stomach
C)  pancreas
D)  liver
E)  cecumF) C) and E)
G) B) and E)

Question 9

The number of chylomicrons in lymphatic capillaries of the intestine would be increased by eating ________.

Accepted Answer

A)  lactose
B)  triglycerides
C)  sucrose
D)  proteins
E)  starchF) B) and D)
G) A) and D)

Question 10

Which of the following represents the correct order of vertebrate gastrointestinal tract layers,going from outside the tract to inside the tract?

Accepted Answer

A)  the submucosa,the mucosa,the lumen,the plexuses,and the serosa
B)  the serosa,submucosa,and the mucosa
C)  the serosa,submucosa,and the lumen
D)  the mucosa,the plexuses,and the serosa
E)  the serosa,the mucosa,and the submucosaF) B) and C)
G) B) and D)

Question 11

Pancreatic secretion of bicarbonate is stimulated by ________.

Accepted Answer

A)  gastrin
B)  cholecystokinin
C)  gastric inhibitory peptide
D)  secretin
E)  glucagonF) A) and B)
G) C) and D)

Question 12

The arrival of fat-rich chyme to the duodenum stimulates the gall bladder to contract and release ________ into the small intestine.

Accepted Answer

A)  cholecystokinin
B)  bile
C)  chylomicrons
D)  lipase
E)  secretinF) B) and E)
G) All of the above

Question 13

Diana has been fasting for a few days and decides to go for a short run before breaking her fast.The glucose she needs for her run will come from________.

Accepted Answer

A)  digestion of starch
B)  glycolysis
C)  insulin
D)  glycogenolysis
E)  cellular respirationF) D) and E)
G) A) and B)

Question 14

When diet and exercise has failed to produce any significant weight loss,some patients who are seriously overweight elect to have stomach surgery.A procedure galled gastric sleeve surgery removes more than half of the stomach,leaving a tube (or sleeve) about the size of a banana.Following gastric sleeve surgery,patients would have the least trouble ____.

Accepted Answer

A)  eating large amounts of food at one time
B)  eating carbohydrate-rich foods
C)  eating protein-rich foods
D)  eating large chunks of food of relatively hard consistencyE) A) and D)
F) C) and D) B

Question 15

Saliva contains the hydrolytic enzyme,salivary amylase,which initiates the breakdown of the polysaccharide ________ into the disaccharide,maltose.

Accepted Answer

A)  cellulose
B)  sucrose
C)  glucose
D)  starch
E)  fructoseF) C) and D)
G) A) and B)

Question 16

In the human digestive system,the stomach produces about 2 liters of HCl and other gastric secretions every day.The acid secretion of the stomach

Accepted Answer

A)  is stimulated by gastrin.
B)  promotes a high pH.
C)  inhibits pepsin activity.
D)  begins the process of starch digestion.
E)  stimulates the gallbladder to contract.F) A) and E)
G) None of the above A

Question 17

Which of the following represents the correct order of adult human teeth,beginning at the front and moving right along the bottom jaw?

Accepted Answer

A)  incisors,molars,canines,premolars
B)  incisors,canines,molars,premolars
C)  incisors,canines,premolars,molars
D)  incisors,premolars,molars,canines
E)  canines,incisors,premolars,molarsF) C) and D)
G) A) and B)

Question 18

A person has his/her gall bladder removed and as a result ________.

Accepted Answer

A)  will die without a gallbladder
B)  can now eat as much fat as desired and not absorb it
C)  can only eat small amounts of fat
D)  can only eat very small meals
E)  can only eat liquid mealsF) A) and B)
G) A) and C)

Question 19

The secretion of pepsinogen and HCl is controlled by the hormone

Accepted Answer

A)  gastrin.
B)  pepsin.
C)  insulin.
D)  cholecystokinin.
E)  secretin.F) A) and C)
G) All of the above

Question 20

Place the processes occurring in the digestive tract in the correct order.
 I-Peristaltic waves of contraction propel the food along the esophagus.
II-Gastric juices are secreted with the arrival of food into the duodenum.
III-The acidic chyme is transferred through the pyloric sphincter.
IV-HCl and pepsin begin digestion of proteins into shorter polypeptides.

Accepted Answer

A)  IV,III,and II
B)  II,III,and IV
C)  I,II,and III
D)  I,II,and IV
E)  II,IV,and IIIF) B) and E)
G) B) and D) E

Exam 46: The Digestive System

Because of the hepatic portal vein,the ________ is the first organ to receive most of the products of digestion.

Correct Answer
verified

Which process in the diagram causes the greatest insulin release?

Correct Answer
verified

In horses,rodents,and lagomorphs,the digestion of cellulose by microorganisms takes place in the

Correct Answer
verified

Most digestion in humans occurs in the first 25 centimeters of the 6-meter length of the small intestine called the ________.

Correct Answer
verified

A patient with advanced colon cancer just had most of his large intestine removed.What process will be most reduced in this patient as compared to a healthy person?

Correct Answer
verified

Correct Answer
verified

Dr.Jones has just discovered that a patient who suffers from extreme obesity has abnormal levels of two different classes of proteins that regulate appetite.Select the most-likely protein profile for this patient from the above diagram.

Correct Answer
verified

The gizzard is to a bird as the ________ is/are to a mammal.

Correct Answer
verified

The number of chylomicrons in lymphatic capillaries of the intestine would be increased by eating ________.

Correct Answer
verified

Which of the following represents the correct order of vertebrate gastrointestinal tract layers,going from outside the tract to inside the tract?

Correct Answer
verified

Pancreatic secretion of bicarbonate is stimulated by ________.

Correct Answer
verified

The arrival of fat-rich chyme to the duodenum stimulates the gall bladder to contract and release ________ into the small intestine.

Correct Answer
verified

Diana has been fasting for a few days and decides to go for a short run before breaking her fast.The glucose she needs for her run will come from________.

Correct Answer
verified

Correct Answer
verified
B

Saliva contains the hydrolytic enzyme,salivary amylase,which initiates the breakdown of the polysaccharide ________ into the disaccharide,maltose.

Correct Answer
verified

In the human digestive system,the stomach produces about 2 liters of HCl and other gastric secretions every day.The acid secretion of the stomach

Correct Answer
verified
A

Which of the following represents the correct order of adult human teeth,beginning at the front and moving right along the bottom jaw?

Correct Answer
verified

A person has his/her gall bladder removed and as a result ________.

Correct Answer
verified

The secretion of pepsinogen and HCl is controlled by the hormone

Correct Answer
verified

Correct Answer
verified
E

Exam 46: The Digestive System

Because of the hepatic portal vein,the ________ is the first organ to receive most of the products of digestion.

Correct AnswerverifiedShow Answer

Which process in the diagram causes the greatest insulin release?

Correct AnswerverifiedShow Answer

In horses,rodents,and lagomorphs,the digestion of cellulose by microorganisms takes place in the

Correct AnswerverifiedShow Answer

Most digestion in humans occurs in the first 25 centimeters of the 6-meter length of the small intestine called the ________.

Correct AnswerverifiedShow Answer

A patient with advanced colon cancer just had most of his large intestine removed.What process will be most reduced in this patient as compared to a healthy person?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Dr.Jones has just discovered that a patient who suffers from extreme obesity has abnormal levels of two different classes of proteins that regulate appetite.Select the most-likely protein profile for this patient from the above diagram.

Correct AnswerverifiedShow Answer

The gizzard is to a bird as the ________ is/are to a mammal.

Correct AnswerverifiedShow Answer

The number of chylomicrons in lymphatic capillaries of the intestine would be increased by eating ________.

Correct AnswerverifiedShow Answer

Which of the following represents the correct order of vertebrate gastrointestinal tract layers,going from outside the tract to inside the tract?

Correct AnswerverifiedShow Answer

Pancreatic secretion of bicarbonate is stimulated by ________.

Correct AnswerverifiedShow Answer

The arrival of fat-rich chyme to the duodenum stimulates the gall bladder to contract and release ________ into the small intestine.

Correct AnswerverifiedShow Answer

Diana has been fasting for a few days and decides to go for a short run before breaking her fast.The glucose she needs for her run will come from________.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedB

Saliva contains the hydrolytic enzyme,salivary amylase,which initiates the breakdown of the polysaccharide ________ into the disaccharide,maltose.

Correct AnswerverifiedShow Answer

In the human digestive system,the stomach produces about 2 liters of HCl and other gastric secretions every day.The acid secretion of the stomach

Correct AnswerverifiedA

Which of the following represents the correct order of adult human teeth,beginning at the front and moving right along the bottom jaw?

Correct AnswerverifiedShow Answer

A person has his/her gall bladder removed and as a result ________.

Correct AnswerverifiedShow Answer

The secretion of pepsinogen and HCl is controlled by the hormone

Correct AnswerverifiedShow Answer

Correct AnswerverifiedE

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B

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A

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E