BIOD 121
BIOD 121 Nutrition
Exam 2
Specific parts of the GI tract include the mouth, esophagus, (A)
, small intestine, (B) and (C) . Other
organs such as the liver, gallbladder and pancreas aid in digestion but are not
considered part of the GI tract.
A. stomach
B. large intestine
C. rectum
Explain the cause and symptoms of heartburn.
Heartburn is a burning sensation in the esophagus due to an improper closing of a
sphincter that allows stomach acids to enter into the esophagus.
Sphincters play an important role in the GI tract.
Name two sphincters discussed in the module and using your own words, briefly
describe their functions.
The esophageal sphincter prevents the contents of the stomach from reentering the
esophagus. The pyloric sphincter controls the release of chyme into the small intestines
from the stomach. The ileocecal sphincter prevents the contents of the large intestine
from entering the small intestine.
Name the six parts of the GI tract.
The specific parts of the GI tract include the mouth, esophagus, stomach, small intestine,
large intestine and rectum
Carbohydrates can be classified as monosaccharides, disaccharides, polysaccharides
and fiber. Match the following with the descriptions.
a. Monosaccharides
b. Disaccharides
c. Insoluble Fiber
d. Soluble Fiber
e. Functional Fiber
1. Slows glucose absorption and lowers cholesterol
2. Sucrose and lactose are examples
BIOD 121 Nutrition
Exam 2
Specific parts of the GI tract include the mouth, esophagus, (A)
, small intestine, (B) and (C) . Other
organs such as the liver, gallbladder and pancreas aid in digestion but are not
considered part of the GI tract.
A. stomach
B. large intestine
C. rectum
Explain the cause and symptoms of heartburn.
Heartburn is a burning sensation in the esophagus due to an improper closing of a
sphincter that allows stomach acids to enter into the esophagus.
Sphincters play an important role in the GI tract.
Name two sphincters discussed in the module and using your own words, briefly
describe their functions.
The esophageal sphincter prevents the contents of the stomach from reentering the
esophagus. The pyloric sphincter controls the release of chyme into the small intestines
from the stomach. The ileocecal sphincter prevents the contents of the large intestine
from entering the small intestine.
Name the six parts of the GI tract.
The specific parts of the GI tract include the mouth, esophagus, stomach, small intestine,
large intestine and rectum
Carbohydrates can be classified as monosaccharides, disaccharides, polysaccharides
and fiber. Match the following with the descriptions.
a. Monosaccharides
b. Disaccharides
c. Insoluble Fiber
d. Soluble Fiber
e. Functional Fiber
1. Slows glucose absorption and lowers cholesterol
2. Sucrose and lactose are examples
