PHYS 261 Quiz 6
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers
the question.
1) Which of the following is an accessory organ of digestion?
A) pancreas
B) B) stomach
C) C) colon
D) D) spleen
E) E) esophagus
2) Which of the following is the sequence of layers from the lumen to the outer wall of the digestive tract?
A) mucosa, submucosa, muscularis externa, serosa
B) serosa, submucosa, mucosa, muscularis externa
C) mucosa, submucosa, serosa, muscularis externa
D) submucosa, mucosa, serosa, muscularis externa
E) submucosa, muscularis externa, serosa, mucosa
3) The motor activity of the muscularis externa is controlled by the
A) myenteric plexus.
B) migrating motor complex.
C) extrinsic neurons.
D) motilin.
E) submucosal plexus.
4) Chief cells secrete
A) pepsinogen.
B) intrinsic factor.
C) gastrin.
D) hydrochloric acid.
E) mucus.
5) G cells of the stomach secrete
A) gastrin.
B) enterokinase.
C) pepsin.
D) secretin.
E) cholecystokinin.
6) The myenteric plexus is
A) a layer of longitudinal smooth muscle.
B) primarily composed of connective tissue.
C) the mucus secreting layer of the digestive tract.
D) a layer of circular smooth muscle.
E) a network of neurons.
7) In the digestive system, HCl is released by , whereas HCO3- is secreted primarily from the
.
A) parietal cells of the stomach, liver
B) B) the pancreas, parietal cells of the stomach
, C) parietal cells of the stomach, pancreas
D) the liver, parietal cells of the stomach
8) Nutrient absorption occurs primarily in the
A) stomach.
B) large intestine.
C) liver.
D) small intestine.
9) Bile is
A) secreted by hepatocytes.
B) manufactured by the gall bladder.
C) released into the stomach.
D) A and B
10) The gastric phase of gastric secretion is triggered by
A) the entry of chyme into the large intestine.
B) the entry of food into the stomach.
C) the release of cholecystokinin and secretin by the small intestine.
D) the entry of chyme into the small intestine.
E) the sight, thought, or smell of food.
11) An enzyme that will digest proteins into peptides is
A) amylase.
B) B) trypsin.
C) C) nuclease.
D) D) maltase.
E) E) lipase.
12) Most products of fat digestion are absorbed by
A) lymphatic vessels.
B) B) veins.
C) capillaries.
D) arterioles.
13) Decreased levels of bile salts in the bile would interfere with digestion of
A) nucleic acids.
B) carbohydrates.
C) protein.
D) fat.
E) vitamins and minerals.
Match the following structures with their functions.
A. pancreas
B. pylorus
C. rectum
D. small intestine
E. stomach
E14) chyme is released from here
A15) organ that adds exocrine secretions to the duodenum via a duct
B16) location of the sphincter that prevents premature emptying of the stomach
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers
the question.
1) Which of the following is an accessory organ of digestion?
A) pancreas
B) B) stomach
C) C) colon
D) D) spleen
E) E) esophagus
2) Which of the following is the sequence of layers from the lumen to the outer wall of the digestive tract?
A) mucosa, submucosa, muscularis externa, serosa
B) serosa, submucosa, mucosa, muscularis externa
C) mucosa, submucosa, serosa, muscularis externa
D) submucosa, mucosa, serosa, muscularis externa
E) submucosa, muscularis externa, serosa, mucosa
3) The motor activity of the muscularis externa is controlled by the
A) myenteric plexus.
B) migrating motor complex.
C) extrinsic neurons.
D) motilin.
E) submucosal plexus.
4) Chief cells secrete
A) pepsinogen.
B) intrinsic factor.
C) gastrin.
D) hydrochloric acid.
E) mucus.
5) G cells of the stomach secrete
A) gastrin.
B) enterokinase.
C) pepsin.
D) secretin.
E) cholecystokinin.
6) The myenteric plexus is
A) a layer of longitudinal smooth muscle.
B) primarily composed of connective tissue.
C) the mucus secreting layer of the digestive tract.
D) a layer of circular smooth muscle.
E) a network of neurons.
7) In the digestive system, HCl is released by , whereas HCO3- is secreted primarily from the
.
A) parietal cells of the stomach, liver
B) B) the pancreas, parietal cells of the stomach
, C) parietal cells of the stomach, pancreas
D) the liver, parietal cells of the stomach
8) Nutrient absorption occurs primarily in the
A) stomach.
B) large intestine.
C) liver.
D) small intestine.
9) Bile is
A) secreted by hepatocytes.
B) manufactured by the gall bladder.
C) released into the stomach.
D) A and B
10) The gastric phase of gastric secretion is triggered by
A) the entry of chyme into the large intestine.
B) the entry of food into the stomach.
C) the release of cholecystokinin and secretin by the small intestine.
D) the entry of chyme into the small intestine.
E) the sight, thought, or smell of food.
11) An enzyme that will digest proteins into peptides is
A) amylase.
B) B) trypsin.
C) C) nuclease.
D) D) maltase.
E) E) lipase.
12) Most products of fat digestion are absorbed by
A) lymphatic vessels.
B) B) veins.
C) capillaries.
D) arterioles.
13) Decreased levels of bile salts in the bile would interfere with digestion of
A) nucleic acids.
B) carbohydrates.
C) protein.
D) fat.
E) vitamins and minerals.
Match the following structures with their functions.
A. pancreas
B. pylorus
C. rectum
D. small intestine
E. stomach
E14) chyme is released from here
A15) organ that adds exocrine secretions to the duodenum via a duct
B16) location of the sphincter that prevents premature emptying of the stomach
