Question 1

Beginning at the lumen, the sequence of layers of the digestive tract wall is

Accepted Answer

A)  submucosa, mucosa, serous membrane, muscularis. 
B)  muscularis, lamina propria, submucosa, mucosa. 
C)  mucosa, submucosa, muscularis, serosa. 
D)  peritoneum, submucosa, mucosa, lamina propria. 
E)  submucosa, mucosa, adventitia, muscularis. 
A)  submucosa, mucosa, serous membrane, muscularis. 
B)  muscularis, lamina propria, submucosa, mucosa. 
C)  mucosa, submucosa, muscularis, serosa. 
D)  peritoneum, submucosa, mucosa, lamina propria. 
E)  submucosa, mucosa, adventitia, muscularis.

Question 2

Match the organ with the appropriate function.
-lips and cheeks

Accepted Answer

A) secretion of saliva 
B) manipulation of food 
C) swallowing 
D) storage of bile 
E) protection of small intestinal wall 
A) secretion of saliva 
B) manipulation of food 
C) swallowing 
D) storage of bile 
E) protection of small intestinal wall

Question 3

Bile secretion is

Accepted Answer

A)  performed continuously by the liver. 
B)  is stimulated by sympathetic nerves. 
C)  is stimulated by decreased amounts of bile salts. 
D)  stimulated by increased vitamin B12 storage. 
E)  controlled by the gallbladder. 
A)  performed continuously by the liver. 
B)  is stimulated by sympathetic nerves. 
C)  is stimulated by decreased amounts of bile salts. 
D)  stimulated by increased vitamin B12 storage. 
E)  controlled by the gallbladder.

Question 4

Inflammation of the gums is called

Accepted Answer

A)  dental carries. 
B)  pyorrhea. 
C)  halitosis. 
D)  gingivitus. 
A)  dental carries. 
B)  pyorrhea. 
C)  halitosis. 
D)  gingivitus.

Question 5

Insulin increases the rate of _____ transport into cells.

Accepted Answer

A)  sucrose 
B)  fructose 
C)  glucose 
D)  galactose 
E)  lactose 
A)  sucrose 
B)  fructose 
C)  glucose 
D)  galactose 
E)  lactose

Question 6

The pyloric pump

Accepted Answer

A)  mixes stomach contents for digestion. 
B)  causes hunger contractions. 
C)  moves chyme through a partially closed pyloric opening. 
D)  causes rugae to flatten. 
E)  opens the pyloric sphincter completely. 
A)  mixes stomach contents for digestion. 
B)  causes hunger contractions. 
C)  moves chyme through a partially closed pyloric opening. 
D)  causes rugae to flatten. 
E)  opens the pyloric sphincter completely.

Question 7

A large amount of fat accumulates in the

Accepted Answer

A)  greater omentum. 
B)  lesser omentum. 
C)  coronary ligament. 
D)  sigmoid mesocolon. 
E)  visceral peritoneum. 
A)  greater omentum. 
B)  lesser omentum. 
C)  coronary ligament. 
D)  sigmoid mesocolon. 
E)  visceral peritoneum.

Question 8

Which digestive activity is NOT correctly matched to its location?

Accepted Answer

A)  killing microorganisms with lysozyme - stomach 
B)  digestion of carbohydrates - mouth 
C)  absorption of nutrients - small intestine 
D)  production of mucus - esophagus 
A)  killing microorganisms with lysozyme - stomach 
B)  digestion of carbohydrates - mouth 
C)  absorption of nutrients - small intestine 
D)  production of mucus - esophagus

Question 9

Match the function with its appropriate description.
-absorption

Accepted Answer

A) movement of molecules from digestive tract into blood 
B) chewing of food 
C) muscular contractions that propel food 
D) removal of undigested wastes from body 
E) breakdown of organic molecules with digestive enzymes 
A) movement of molecules from digestive tract into blood 
B) chewing of food 
C) muscular contractions that propel food 
D) removal of undigested wastes from body 
E) breakdown of organic molecules with digestive enzymes

Question 10

Match the cell type with its function.
-goblet cells

Accepted Answer

A) produce hormones 
B) produce mucus 
C) may protect intestinal epithelium 
D) synthesize bile 
E) produce digestive enzymes 
A) produce hormones 
B) produce mucus 
C) may protect intestinal epithelium 
D) synthesize bile 
E) produce digestive enzymes

Question 11

What disease is caused by the absence of enteric neurons in the distal large intestine?

Accepted Answer

A)  Hirschprung disease 
B)  multiple endocrine neoplasia type 2 
C)  spastic colon 
D)  gastroenteritis 
A)  Hirschprung disease 
B)  multiple endocrine neoplasia type 2 
C)  spastic colon 
D)  gastroenteritis

Question 12

Salivary gland secretion is primarily controlled by the

Accepted Answer

A)  facial and glossopharyngeal nerves. 
B)  vagus nerve. 
C)  taste centers of the medulla. 
D)  intercostal nerves. 
E)  trigeminal nerve. 
A)  facial and glossopharyngeal nerves. 
B)  vagus nerve. 
C)  taste centers of the medulla. 
D)  intercostal nerves. 
E)  trigeminal nerve.

Question 13

The formation of HCl in the stomach involves the

Accepted Answer

A)  active transport of hydrogen ions from parietal cells into the lumen of the stomach. 
B)  exchange of sodium ions for hydrogen ions in the transport process. 
C)  active transport of chloride ions from parietal cells into the lumen of the stomach. 
D)  exchange of sodium and bicarbonate ions. 
E)  the combination of carbon dioxide and water. 
A)  active transport of hydrogen ions from parietal cells into the lumen of the stomach. 
B)  exchange of sodium ions for hydrogen ions in the transport process. 
C)  active transport of chloride ions from parietal cells into the lumen of the stomach. 
D)  exchange of sodium and bicarbonate ions. 
E)  the combination of carbon dioxide and water.

Question 14

A blockage in the colon where the ascending colon turns to become the transverse colon would occur at the

Accepted Answer

A)  ileocecal valve. 
B)  hepatic flexure. 
C)  splenic flexure. 
D)  cardiac sphincter. 
E)  gastric flexure. 
A)  ileocecal valve. 
B)  hepatic flexure. 
C)  splenic flexure. 
D)  cardiac sphincter. 
E)  gastric flexure.

Question 15

Parasympathetic nerves extend to the digestive tract through the ____________ nerve.

Accepted Answer

A)  gastric 
B)  cardiac 
C)  vagus 
D)  accessory 
A)  gastric 
B)  cardiac 
C)  vagus 
D)  accessory

Question 16

Which of the following cell types of the stomach is correctly matched with its function?

Accepted Answer

A)  mucous cells - produce intrinsic factor 
B)  parietal cells - produce hydrochloric acid 
C)  chief cells - produce mucus 
D)  endocrine cells - produce enzymes 
E)  chief cells - produce hormones 
A)  mucous cells - produce intrinsic factor 
B)  parietal cells - produce hydrochloric acid 
C)  chief cells - produce mucus 
D)  endocrine cells - produce enzymes 
E)  chief cells - produce hormones

Question 17

Most of the water that enters that digestive tract is removed by the body in urine.

Accepted Answer

A) True 
 B)False

Question 18

Match the enzyme or hormone with the organ that produces it.
-cholecystokinin

Accepted Answer

A) salivary glands 
B) stomach 
C) liver 
D) small intestine 
E) pancreas 
A) salivary glands 
B) stomach 
C) liver 
D) small intestine 
E) pancreas

Question 19

The gastric phase of gastric secretion

Accepted Answer

A)  decreases the release of gastrin in the stomach. 
B)  is triggered by taste, sight, thought, or smell of food. 
C)  is mediated by impulses on sympathetic nerves. 
D)  leads to the greatest volume of gastric secretion. 
E)  leads to the least volume of gastric secretion. 
A)  decreases the release of gastrin in the stomach. 
B)  is triggered by taste, sight, thought, or smell of food. 
C)  is mediated by impulses on sympathetic nerves. 
D)  leads to the greatest volume of gastric secretion. 
E)  leads to the least volume of gastric secretion.

Question 20

The role of acetylcholine in the digestive tract is to _________, while the role of norepinephrine is to ______.

Accepted Answer

A)  stimulate, stimulate 
B)  stimulate, inhibit 
C)  inhibit, inhibit 
D)  inhibit, stimulate 
A)  stimulate, stimulate 
B)  stimulate, inhibit 
C)  inhibit, inhibit 
D)  inhibit, stimulate

Exam 24: Digestive System

Beginning at the lumen, the sequence of layers of the digestive tract wall is

Match the organ with the appropriate function. -lips and cheeks

Bile secretion is

Inflammation of the gums is called

Insulin increases the rate of _____ transport into cells.

The pyloric pump

A large amount of fat accumulates in the

Which digestive activity is NOT correctly matched to its location?

Match the function with its appropriate description. -absorption

Match the cell type with its function. -goblet cells

What disease is caused by the absence of enteric neurons in the distal large intestine?

Salivary gland secretion is primarily controlled by the

The formation of HCl in the stomach involves the

A blockage in the colon where the ascending colon turns to become the transverse colon would occur at the

Parasympathetic nerves extend to the digestive tract through the ____________ nerve.

Which of the following cell types of the stomach is correctly matched with its function?

Most of the water that enters that digestive tract is removed by the body in urine.

Match the enzyme or hormone with the organ that produces it. -cholecystokinin

The gastric phase of gastric secretion

The role of acetylcholine in the digestive tract is to _________, while the role of norepinephrine is to ______.

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joints and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Functional Organization of Nervous Tissue

Spinal Cord and Spinal Nerves

Brain and Cranial Nerves

Integration of Nervous System Functions

The Special Senses

Autonomic Nervous System

Functional Organization of the Endocrine System

Endocrine Glands

Cardiovascular System: Blood

Cardiovascular System: the Heart

Cardiovascular System: Blood Vessels and Circulation

Lymphatic System and Immunity

Respiratory System

Nutrition, Metabolism, and Temperature Regulation

Urinary System

Water, Electrolytes, and Acidbase Balance

Reproductive System

Development, Growth, Aging, and Genetics

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The role of acetylcholine in the digestive tract is to ___, while the role of norepinephrine is to .