Question 1

Lecithin prepares fats for hydrolysis by forming __________.

Accepted Answer

A)  triglycerides, fatty acids, and glycerol
B)  low density lipoproteins (LDL) 
C)  chylomicrons
D)  emulsification droplets
E)  micellesF) A) and B)
G) C) and D)

Question 2

__________ is a hormone,whereas __________ is an enzyme.

Accepted Answer

A)  Enterokinase; pepsin
B)  Gastrin; secretin
C)  Gastrin; cholecystokinin (CCK) 
D)  Gastric lipase; histamine
E)  Secretin; pepsinF) C) and E)
G) C) and D)

Question 3

The serous membranes that suspend the stomach and intestines from the abdominal wall are called __________.

Accepted Answer

A)  mesenteries
B)  mucosae
C)  submucosae
D)  muscularis mucosae
E)  muscularis externaF) A) and E)
G) C) and E)

Question 4

The enzyme that catalyzes the first step reaction in HCl production by gastric parietal cells is called __________.

Accepted Answer

A)  carbonic acid
B)  carbonic anhydrase
C)  dipeptidase
D)  protease
E)  ATPaseF) A) and B)
G) B) and C)

Question 5

The outermost layer of the digestive tract,which is composed of a thin layer of areolar tissue and simple squamous epithelium,is called the __________.

Accepted Answer

A)  lumen
B)  muscularis externa
C)  submucosa
D)  mucosa (mucous membrane) 
E)  serosa (mesentery) F) A) and C)
G) A) and B)

Question 6

Hydrochloric acid (HCl) is secreted by __________ cells.

Accepted Answer

A)  mucous
B)  regenerative (stem) 
C)  parietal
D)  chief
E)  enteroendocrineF) A) and B)
G) C) and D)

Question 7

The layer that is responsible for the motility that propels food and residue through the digestive tract is called the __________.

Accepted Answer

A)  lumen
B)  muscularis externa
C)  submucosa
D)  mucosa (mucous membrane) 
E)  serosaF) A) and E)
G) None of the above

Question 8

The __________ gland is an extrinsic salivary gland,whereas the __________ gland is an intrinsic salivary gland.

Accepted Answer

A)  lingual; labial
B)  submandibular; lingual
C)  submandibular; sublingual
D)  sublingual; parotid
E)  lingual; sublingualF) B) and C)
G) A) and E)

Question 9

Each of the following lists some of the tissue layers of the digestive tract.Which one has them in correct order from lumen to external surface?

Accepted Answer

A)  Lamina propria, muscularis mucosae, submucosa, muscularis externa, serosa
B)  Serosa, lamina propria, submucosa, muscularis mucosae, muscularis externa
C)  Mucosa, submucosa, muscularis mucosae, muscularis externa, lamina propria
D)  Mucosa, muscularis mucosae, submucosa, muscularis externa, lamina propria
E)  Mucosa, submucosa, muscularis externa, lamina propria, serosaF) All of the above
G) A) and D)

Question 10

Which of the following is the proper sequence by which proteins are digested by different enzymes?

Accepted Answer

A)  Pepsin, trypsin, carboxypeptidase, dipeptidase
B)  Pepsin, trypsin, dipeptidase, carboxypeptidase
C)  Trypsin, pepsin, carboxypeptidase, dipeptidase
D)  Trypsin, pepsin, dipeptidase, carboxypeptidase
E)  Dipeptidase, carboxypeptidase, pepsin, trypsinF) A) and B)
G) C) and D)

Exam 25: The Digestive System

The serous membranes that suspend the stomach and intestines from the abdominal wall are called __________.

Correct Answer
verified

Which of the following is the proper sequence by which proteins are digested by different enzymes?

Correct Answer
verified

The gland is an extrinsic salivary gland,whereas the gland is an intrinsic salivary gland.

Correct Answer
verified

The enzyme that catalyzes the first step reaction in HCl production by gastric parietal cells is called __________.

Correct Answer
verified

Each of the following lists some of the tissue layers of the digestive tract.Which one has them in correct order from lumen to external surface?

Correct Answer
verified

Hydrochloric acid (HCl) is secreted by __________ cells.

Correct Answer
verified

The layer that is responsible for the motility that propels food and residue through the digestive tract is called the __________.

Correct Answer
verified

is a hormone,whereas is an enzyme.

Correct Answer
verified

The outermost layer of the digestive tract,which is composed of a thin layer of areolar tissue and simple squamous epithelium,is called the __________.

Correct Answer
verified

Lecithin prepares fats for hydrolysis by forming __________.

Correct Answer
verified

Exam 25: The Digestive System

The serous membranes that suspend the stomach and intestines from the abdominal wall are called __________.

Correct AnswerverifiedShow Answer

Which of the following is the proper sequence by which proteins are digested by different enzymes?

Correct AnswerverifiedShow Answer

The __________ gland is an extrinsic salivary gland,whereas the __________ gland is an intrinsic salivary gland.

Correct AnswerverifiedShow Answer

The enzyme that catalyzes the first step reaction in HCl production by gastric parietal cells is called __________.

Correct AnswerverifiedShow Answer

Each of the following lists some of the tissue layers of the digestive tract.Which one has them in correct order from lumen to external surface?

Correct AnswerverifiedShow Answer

Hydrochloric acid (HCl) is secreted by __________ cells.

Correct AnswerverifiedShow Answer

The layer that is responsible for the motility that propels food and residue through the digestive tract is called the __________.

Correct AnswerverifiedShow Answer

__________ is a hormone,whereas __________ is an enzyme.

Correct AnswerverifiedShow Answer

The outermost layer of the digestive tract,which is composed of a thin layer of areolar tissue and simple squamous epithelium,is called the __________.

Correct AnswerverifiedShow Answer

Lecithin prepares fats for hydrolysis by forming __________.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

The gland is an extrinsic salivary gland,whereas the gland is an intrinsic salivary gland.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

is a hormone,whereas is an enzyme.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified