Ch. 18: Digestive System - Animations
Gastrin functions to increase the production of HCl in the stomach.
True
Which of the following enzymes is produced by the stomach?
pepsin
Involuntary muscle contractions which move a bolus through the gastrointestinal tract are called
peristalsis
What are proteins broken down into?
Amino acids
Which of the following enzymes is found in saliva?
Amylase
Which of the following is not an accessory organ of the digestive tract?
Anus
When chyme enters the duodenum, gastric secretion increases.
False
Which of the following organs does not contribute enzymes to the small intestine for the breakdown of food particles?
Gallbladder
Which transporters are responsible for transporting monosaccharides out of the cell?
Glucose
Which of the following is not part of the digestive tract?
Pancreas
Which transporters are responsible for transporting monosaccharides across the intestinal cell membrane into the cell?
Sodium glucose
After food is broken down by digestive enzymes and stomach acid it is called __________.
chyme
A baby's first set of teeth are called __________.
deciduous teeth
Lactase is a(n) __________ that breaks down __________ into easily absorbable simple sugars.
enzyme; lactose
Secretin is released from the duodenum in response to
hydrochloric acid in chyme.
Which of the following is part of the small intestine?
jejunum, ileum, and duodenum
Bile acid droplets are also known as __________.
micelles
Carbohydrates are broken down into several simple sugars called __________.
monosaccharides
Which of the following is the correct order for the major parts of the gastrointestinal tract?
mouth, esophagus, stomach, small intestine, large intestine
Hydrochloric acid is secreted in the
stomach
Which of the following may occur if the body is unable to produce the enzyme lactase?
The colon may swell due to an excess of fluid and gas.
The condition marked by an insufficient production of lactase is called __________.
lactose intolerance
What organ produces bile?
liver
Most nutrient absorption occurs in the
small intestine