Digestive System - Test Questions With
Verified Solutions Already Passed
Digestion refers to the
A.) mechanical breakdown of food.
B.) chemical breakdown of food.
C.) mechanical and chemical breakdown of food.
D.) progressive dehydration of indigestible residue.
E.) All of the answers are correct. CORRECT ANSWERS C.) mechanical and chemical breakdown of food.
The digestive tract is also referred to as the
A.) GI tract.
B.) Esophagus.
C.) Alimentary canal.
D.) Alimentary canal and the GI tract.
E.) All of the answers are correct. CORRECT ANSWERS D.) alimentary canal and the GI tract.
What organ is primarily responsible for water absorption?
A.) Esophagus
B.) Large intestine
C.) Anus
D.) Pancreas
E.) Stomach CORRECT ANSWERS B.) Large intestine
Which organ is responsible for dehydration and compaction of indigestible materials?
A.) Esophagus
B.) Small intestine
C.) Stomach
D.) Large intestine
E.) Anus CORRECT ANSWERS D.) Large intestine
The double-layer sheets of serous membrane that support the viscera are called
A.) Peritoneal sheets.
B.) The dorsal and ventral frenulums.
C.) The diaphragm.
D.) Ascites.
E.) Mesenteries. CORRECT ANSWERS E.) Mesenteries.
Which layer of the digestive tract directly underlies the epithelium? A.) Submucosa
B.) Lamina propria
C.) Lymphoid nodules
D.) Muscularis mucosae
E.) Digestive epithelium CORRECT ANSWERS B.) Lamina propria
What provides access for blood vessels entering and leaving the liver?
A.) Greater omentum
B.) Falciform ligament
C.) Mesentery proper
D.) Diaphragm
E.) Lesser omentum CORRECT ANSWERS E.) Lesser omentum
G cells of the stomach secrete
A.) Pepsin.
B.) Enteropeptidase.
C.) Gastrin.
D.) Secretin.
E.) Cholecystokinin. CORRECT ANSWERS C.) Gastrin.
The region of the stomach that empties into the duodenum is the
A.) Body.
B.) Pylorus.
C.) fundus.
D.) antrum.
E.) cardia. CORRECT ANSWERS B.) Pylorus.
The hormone that stimulates secretion and contraction by the stomach is
A.) Secretin.
B.) CCK.
C.) Gastrin.
D.) Enteropeptidase.
E.) Cholecystokinin. CORRECT ANSWERS C.) Gastrin.
All of the following are true of the lining of the stomach, except that it
A.) Is covered by a thick, viscous mucus.
B.) Is constantly being replaced.
C.) Recycles bile.
D.) Has a simple columnar epithelium.
E.) Contains gastric pits. CORRECT ANSWERS C.) Recycles bile. The pH of the blood in gastric veins
A.) is constant because of buffering.
B.) is greater following a 24-hour fast than during digestion of a large meal.
C.) is greater during digestion of a large meal than following a 24-hour fast.
D.) None of the answers are correct. CORRECT ANSWERS C.) is greater during digestion of a large meal than following a 24-hour fast.
What chemical is found in the fluid that flows through the pancreatic duct?
A.) Pepsin
B.) Salivary amylase
C.) Bile pigment
D.) Trypsinogen CORRECT ANSWERS D.) Trypsinogen
Which of these gut hormones and actions are mismatched?
A.) Secretin; stimulate bile secretion
B.) Vasoactive intestinal peptide; inhibit intestinal blood flow
C.) Cholecystokinin; stimulate gall bladder contraction
D.) Gastrin; stimulate gastric motility CORRECT ANSWERS B.) Vasoactive intestinal peptide; inhibit intestinal blood flow
The duodenal ampulla receives secretions from the
A.) Duodenum and the pancreatic duct.
B.) Duodenum and the pylorus.
C.) Duodenum and the jejunum.
D.) Common bile duct and the pancreatic duct.
E.) Duodenum and the bile duct. CORRECT ANSWERS D.) Common bile duct and the pancreatic duct.
The middle segment of the small intestine is the A.) Ileum. B.) Jejunum. C.) Pylorus. D.) Cecum. E.) Duodenum CORRECT ANSWERS B.) Jejunum.
Plicae Circulares are
A.) Ridges in the wall of the stomach.
B.) Circumferential folds in the mucosa and submucosa of the small intestine.
C.) Abnormal structures formed by excessive pressure in the small intestine. D.) Sacculations in the colon.
E.) Fingerlike projections on the surface of the mucosa of the small intestine. CORRECT ANSWERS B.) Circumferential folds in the mucosa and submucosa of the small intestine.
The intestinal hormone that stimulates the pancreas to release a watery, bicarbonate-
rich fluid is A.) Secretin. B.) Cholecystokinin. C.) Gastrin. D.) Enterocrinin. E.) GIP. CORRECT ANSWERS A.) Secretin.
An intestinal hormone that stimulates gastric secretion is
A.) Cholecystokinin.
B.) Enteropeptidase.
C.) Secretin.
D.) Gastric inhibitory peptide (GIP).
E.) Gastrin. CORRECT ANSWERS E.) Gastrin.
The Kupffer cells of the liver
A.) Destroy bacteria.
B.) Present antigens.
C.) Are phagocytic.
D.) Destroy RBCs.
E.) All of the answers are correct. CORRECT ANSWERS E.) All of the answers are correct.
The essential functions of the liver include
A.) bile production.
B.) hematological regulation.
C.) metabolic regulation.
D.) albumin production for blood osmotic pressure.
E.) All of the answers are correct. CORRECT ANSWERS E.) All of the answers are correct.
An obstruction of the common bile duct often results in
A.) A decrease in production of pancreatic juice.
B.) Undigested fat in the feces.
C.) Hepatitis.
D.) Cirrhosis of the liver.
Verified Solutions Already Passed
Digestion refers to the
A.) mechanical breakdown of food.
B.) chemical breakdown of food.
C.) mechanical and chemical breakdown of food.
D.) progressive dehydration of indigestible residue.
E.) All of the answers are correct. CORRECT ANSWERS C.) mechanical and chemical breakdown of food.
The digestive tract is also referred to as the
A.) GI tract.
B.) Esophagus.
C.) Alimentary canal.
D.) Alimentary canal and the GI tract.
E.) All of the answers are correct. CORRECT ANSWERS D.) alimentary canal and the GI tract.
What organ is primarily responsible for water absorption?
A.) Esophagus
B.) Large intestine
C.) Anus
D.) Pancreas
E.) Stomach CORRECT ANSWERS B.) Large intestine
Which organ is responsible for dehydration and compaction of indigestible materials?
A.) Esophagus
B.) Small intestine
C.) Stomach
D.) Large intestine
E.) Anus CORRECT ANSWERS D.) Large intestine
The double-layer sheets of serous membrane that support the viscera are called
A.) Peritoneal sheets.
B.) The dorsal and ventral frenulums.
C.) The diaphragm.
D.) Ascites.
E.) Mesenteries. CORRECT ANSWERS E.) Mesenteries.
Which layer of the digestive tract directly underlies the epithelium? A.) Submucosa
B.) Lamina propria
C.) Lymphoid nodules
D.) Muscularis mucosae
E.) Digestive epithelium CORRECT ANSWERS B.) Lamina propria
What provides access for blood vessels entering and leaving the liver?
A.) Greater omentum
B.) Falciform ligament
C.) Mesentery proper
D.) Diaphragm
E.) Lesser omentum CORRECT ANSWERS E.) Lesser omentum
G cells of the stomach secrete
A.) Pepsin.
B.) Enteropeptidase.
C.) Gastrin.
D.) Secretin.
E.) Cholecystokinin. CORRECT ANSWERS C.) Gastrin.
The region of the stomach that empties into the duodenum is the
A.) Body.
B.) Pylorus.
C.) fundus.
D.) antrum.
E.) cardia. CORRECT ANSWERS B.) Pylorus.
The hormone that stimulates secretion and contraction by the stomach is
A.) Secretin.
B.) CCK.
C.) Gastrin.
D.) Enteropeptidase.
E.) Cholecystokinin. CORRECT ANSWERS C.) Gastrin.
All of the following are true of the lining of the stomach, except that it
A.) Is covered by a thick, viscous mucus.
B.) Is constantly being replaced.
C.) Recycles bile.
D.) Has a simple columnar epithelium.
E.) Contains gastric pits. CORRECT ANSWERS C.) Recycles bile. The pH of the blood in gastric veins
A.) is constant because of buffering.
B.) is greater following a 24-hour fast than during digestion of a large meal.
C.) is greater during digestion of a large meal than following a 24-hour fast.
D.) None of the answers are correct. CORRECT ANSWERS C.) is greater during digestion of a large meal than following a 24-hour fast.
What chemical is found in the fluid that flows through the pancreatic duct?
A.) Pepsin
B.) Salivary amylase
C.) Bile pigment
D.) Trypsinogen CORRECT ANSWERS D.) Trypsinogen
Which of these gut hormones and actions are mismatched?
A.) Secretin; stimulate bile secretion
B.) Vasoactive intestinal peptide; inhibit intestinal blood flow
C.) Cholecystokinin; stimulate gall bladder contraction
D.) Gastrin; stimulate gastric motility CORRECT ANSWERS B.) Vasoactive intestinal peptide; inhibit intestinal blood flow
The duodenal ampulla receives secretions from the
A.) Duodenum and the pancreatic duct.
B.) Duodenum and the pylorus.
C.) Duodenum and the jejunum.
D.) Common bile duct and the pancreatic duct.
E.) Duodenum and the bile duct. CORRECT ANSWERS D.) Common bile duct and the pancreatic duct.
The middle segment of the small intestine is the A.) Ileum. B.) Jejunum. C.) Pylorus. D.) Cecum. E.) Duodenum CORRECT ANSWERS B.) Jejunum.
Plicae Circulares are
A.) Ridges in the wall of the stomach.
B.) Circumferential folds in the mucosa and submucosa of the small intestine.
C.) Abnormal structures formed by excessive pressure in the small intestine. D.) Sacculations in the colon.
E.) Fingerlike projections on the surface of the mucosa of the small intestine. CORRECT ANSWERS B.) Circumferential folds in the mucosa and submucosa of the small intestine.
The intestinal hormone that stimulates the pancreas to release a watery, bicarbonate-
rich fluid is A.) Secretin. B.) Cholecystokinin. C.) Gastrin. D.) Enterocrinin. E.) GIP. CORRECT ANSWERS A.) Secretin.
An intestinal hormone that stimulates gastric secretion is
A.) Cholecystokinin.
B.) Enteropeptidase.
C.) Secretin.
D.) Gastric inhibitory peptide (GIP).
E.) Gastrin. CORRECT ANSWERS E.) Gastrin.
The Kupffer cells of the liver
A.) Destroy bacteria.
B.) Present antigens.
C.) Are phagocytic.
D.) Destroy RBCs.
E.) All of the answers are correct. CORRECT ANSWERS E.) All of the answers are correct.
The essential functions of the liver include
A.) bile production.
B.) hematological regulation.
C.) metabolic regulation.
D.) albumin production for blood osmotic pressure.
E.) All of the answers are correct. CORRECT ANSWERS E.) All of the answers are correct.
An obstruction of the common bile duct often results in
A.) A decrease in production of pancreatic juice.
B.) Undigested fat in the feces.
C.) Hepatitis.
D.) Cirrhosis of the liver.
