chapter 8 digestive system
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Chapter 8: Digestive System Abbreviations and Terms
By Stacie Hauenstein
Nasogastric (NG)
• Pertaining to the nose (nas/o) and stomach
(gastr/o)
• A nasogastric tube is a flexible tube, which is
inserted into the nose, through the esophagus,
and down into the stomach
• A nasogastric tube can be used for pumping food
into the stomach or sucking fluids out of the
stomach.
Example of Nasogastric (NG) tube
Fecal Occult Blood Test (FOBT)
• A Fecal Occult Blood Test (FOBT) is a test to
determine if there is any blood in the feces.
• Some conditions that could cause blood in
the stool are colorectal cancer, hemorrhoids,
anal fissures, colon polyps, peptic ulcers,
ulcerative colitis, gastroesophageal reflux
disease (GERD) , Crohn’s disease.
Example of a FOBT
Aspartate Transaminase (AST)
• Aspartate Transaminase (AST) is an enzyme that is
normally present in the blood
• It is also a diagnostic procedure that tests for the
AST enzyme
• The levels of this enzyme are increased in people
with liver disease or damage
• The normal level of AST is 5-40 units per liter of
serum
Examples of Livers
Gastroesophageal Reflux Disease (GERD)
• Gastroesophageal Reflux Disease (GERD) occurs when
the stomach acids comes back up into the esophagus.
• Usually occurs if the lower esophageal sphincter (LES)
is not closing properly
• GERD can cause inflammation, pain, dental problems,
Barrett’s esophagus, brochospasms, esophageal ulcers
• Some risk factors include alcohol, pregnancy, obesity,
and smoking
GERD
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