Digestive System Quiz Flashcards
From the esophagus to the anal canal, the walls of every organ of the alimentary canal are made up of the same four basic layers. Arrange them in order from the lumen.
mucosa, submucosa, muscularis externa, and serosa
All of the following are TRUE of the pancreas
The head of the pancreas is right next to the duodenum, while the tail of the pancreas is right next to the spleen.
The pancreas is considered an accessory digestive organ.
Pancreatic juice contains digestive enzymes: amylase, nuclease, lipase, trypsinogen, and other
All of the following are TRUE of the stomach
Chief cells secrete pepsinogen.
Parietal cells secrete intrinsic factor.
Parietal cells secrete hydrochloric acid
G-cells secrete hormone gastrin
An intestinal hormone that stimulates the gallbladder to release bile is:
Cholecystokinin
Chemical digestion of carbohydrates begins in the ________ whereas chemical digestion of proteins begins in the_______.
Oral cavity; stomach
In the center of a liver lobule there is a
central vein
Many years ago, a common procedure for the treatment of ulcers was the cutting of the branches of the vagus nerve going to the stomach. This would cause stomach acid secretion to
decrease
Most of the digestive tract is lined by ______ epithelium.
simple columnar
The G cells of the stomach secrete:
Gastrin
The portion of the small intestine that attaches to the large intestine is the:
ileum
Waves of muscular contractions that propel the contents of the digestive tract from one point to another are called
peristalsis
Which of the following cells secrete pepsinogen?
Chief cells
Which of the following is TRUE of bile?
It acts as an emulsifer, i.e., it separates large fat droplets into small fat droplets.
It contains bilirubin, which is a breakdown product of hemoglobin.
It contains bile salts
Which of the following is a function of the liver?
Albumin production
Bile production and secretion
Storage of lipid soluble vitamins and vitamin B12
Conversion of ammonia to urea
Which of the following is produced by the liver?
Bile
lbumins
Fibrinogen
Angiotensinogen