GI system: mouth disorders + Flashcards
Canker sores are triggered by:
stress, fever and certain foods
True or false: canker sores are not contagious
true
What virus causes fever blisters around the mouth?
HSV - 1
T/F: fever blisters are not contagious.
false
How is herpes simplex virus transmitted?
Orally
What nerve does the herpes simplex virus infection linger in?
the trigeminal nerve
What 5 factors lead to the viral multiplication of the herpes simplex virus?
fever
sunlight
cold
trauma
infection
What level of the GI tract does the herpes simplex virus erupt in to cause a cold sore or fever blister?
the mucosa
What is the name of the normal bacteria involved in oropharyngeal candidiasis?
Candida albicans
When does oropharyngeal candidiasis occur?
when there is a pathology that impairs the normal balance of microflora of the mouth.
Why is an NG tube an issue for someone who has candida albicans?
it can spread the infection into the esophagus.
Where are the 3 sites of origin or squamous cell carcinomas?
- vermillion border of the lower lip
- floor of the mouth
- lateral border of the tongue
Why are squamous cell carcinomas dangerous?
they are often painless and ignored.
What are some trx options for squamous cell carcinomas?
surgery
radiation
What is dysphagia?
difficulty swallowing due to:
lack of pharyngeal sensation
dysfunction of the swallowing mechanism
Esophageal pain:
Where does it occur?
What does it feel like?
Is there any numbness radiating down the left arm?
it occurs in the center of the chest
feels like a pressing or burning sensation
if it is esophageal pain - no
esophageal bleeding is a common sign of:
esophageal diseases - tends to be red.
If a hiatal hernia is progressed, what can happen?
the stomach can rotate 180 degrees and create a closed-loop obstruction.
what are the symptoms of a hiatal hernia?
esophageal pain
GERD
dyspnea
Pts who have a hiatal hernia should avoid:
Valsalva maneuvers in a supine position
coughing
vomiting
straining
sudden physical exertion
Esophagitis or Gerd is caused by:
inflammation of the esophagus secondary to retrograde flow of the gastric juices.
A defect in the lower esophageal sphincter (the ring of muscle between the esophagus and stomach) can cause:
stomach’s contents to come back into the esophagus