BSC 216 Exam 3 Test Questions and
answers
The ________ phase of gastric activity is controlled by the brain, and is triggered by
the sight, smell, taste, or thought of food.✔✔Cephalic
Chief cells within the stomach mucosa produce ________, which is converted to
pepsin in the presence of ________.✔✔Pepsinogen/HCl
The pancreas and gallbladder releases "juices" (bile and pancreatic juice) into the
duodenum through the major duodenal papilla, which is controlled by the
________.✔✔Hepatopancreatic sphincter
The GALLBLADDER synthesizes (makes) bile for digestion, and then stores it for
later use. True or False✔✔False
There are two networks of neurons in the enteric nervous system. The ________
plexus controls glandular secretions, and the ________ plexus controls
peristalsis.✔✔Submucosal/ Myenteric
What is another term for MASTICATION?✔✔Chewing
Which solute in saliva begins starch (carbohydrate) digestion in the
mouth?✔✔Salivary amylase
The pharyngeosphageal phase of swallowing is under ________ control, and food is
moved down the esophagus by ________.✔✔Involuntary/ peristalsis
What is not one of the main secretions of the stomach?✔✔Trypsin
What is a zymogen?✔✔A digestive enzyme in its inactive form
Pepsin is activated in the duodenum by increased pH. True of False✔✔False
The main function of the villi and microvilli of the small intestine is to actively move
chyme through the digestive tract. True or False✔✔False
Which enzymes are involved in protein digestion in the small intestine?✔✔Trypsin,
Chymotrypsin, Carboxypeptidase, aminopeptidase, and dipeptidase
Fats are emulsified by bile acids/salts. The remainder of fat digestion is carried out
by ________, and occurs in the ________.✔✔Pancreatic lipase/ small intestine
Let's say that you are taking this exam and suddenly have a strong urge to defecate.
However, you cannot leave the room and go to the bathroom until you have finished
taking the test. This should not be a problem because you have voluntary control
answers
The ________ phase of gastric activity is controlled by the brain, and is triggered by
the sight, smell, taste, or thought of food.✔✔Cephalic
Chief cells within the stomach mucosa produce ________, which is converted to
pepsin in the presence of ________.✔✔Pepsinogen/HCl
The pancreas and gallbladder releases "juices" (bile and pancreatic juice) into the
duodenum through the major duodenal papilla, which is controlled by the
________.✔✔Hepatopancreatic sphincter
The GALLBLADDER synthesizes (makes) bile for digestion, and then stores it for
later use. True or False✔✔False
There are two networks of neurons in the enteric nervous system. The ________
plexus controls glandular secretions, and the ________ plexus controls
peristalsis.✔✔Submucosal/ Myenteric
What is another term for MASTICATION?✔✔Chewing
Which solute in saliva begins starch (carbohydrate) digestion in the
mouth?✔✔Salivary amylase
The pharyngeosphageal phase of swallowing is under ________ control, and food is
moved down the esophagus by ________.✔✔Involuntary/ peristalsis
What is not one of the main secretions of the stomach?✔✔Trypsin
What is a zymogen?✔✔A digestive enzyme in its inactive form
Pepsin is activated in the duodenum by increased pH. True of False✔✔False
The main function of the villi and microvilli of the small intestine is to actively move
chyme through the digestive tract. True or False✔✔False
Which enzymes are involved in protein digestion in the small intestine?✔✔Trypsin,
Chymotrypsin, Carboxypeptidase, aminopeptidase, and dipeptidase
Fats are emulsified by bile acids/salts. The remainder of fat digestion is carried out
by ________, and occurs in the ________.✔✔Pancreatic lipase/ small intestine
Let's say that you are taking this exam and suddenly have a strong urge to defecate.
However, you cannot leave the room and go to the bathroom until you have finished
taking the test. This should not be a problem because you have voluntary control
