Exam 3-GI disorders Vocab. Only (Ch 9) Flashcards
pyloric sphincter
Chyme passes through the stomach into small intestine through a sphincter muscle and it closes until it receives nerve and normal signals to relax and open
peristalsis
When chyme is passed down digestive track through rhythmical muscle contractions
duodenum
First part of small intestine where most digestion takes place
bile
Secreted by the liver and stored by the gallbladder
It is an emulsifier it reduced the large fat droplets
- excess in blood stream causes jaundice
villi
Numerous finger like projections that contain capillaries and lymph vessels for absorption.
vomiting
A protective mechanism in response to an irritant, infecx, distention, blockage .
- metabolic alkalosis
- controlled by the medulla
regurgitated
Passage stomach contents into the esophagus
diarrhea
Request passage of watery stools when contents of small intestins at rushed through the large intestines.
constipation
Blockage of food that when water is absorbed from food and makes stools dry and immobile
- dehydration, narcotics, some steroids low fibre diet
hemorrhoids
Varicose veins In the lining of the rectum near the anus may be internal or external
proctoscope
A hollow tube with light at end for a dr to examin internal hemmorids
prolapse
When straining to have a bowel movement causes hemorrhoid so to protrude the anus or come through the anal opening
stomatitis
Oral inflamx of oral tissue and or gums
streptococci
Common cause of oral infex.
neissera gonorrhea
Can cause painful ulceration of the mouth
treponema palladium
Syphillis causes ulceration a of th mouth as well
Herpex simplex
Common cause of oral virus infecx
herpes simplex 2
Causes vesicles that rupture to form ulcers
herpes simplex 1
Can be aquired for salivary droplets
candida albicans
Thrush
dysphagia
Difficulty or painful swallowing
esophageal variscies
Varicose veins of th esophagus caused by cirrhosis which impairs blood flow . Increased vein pressure causes the veins to dialate and become knotty. Most dangerous part is hemmorage,
cirrhosis
Liver disease caused by alcoholism or hepatitis
minnesota or sengstaten blakemore tube
A temp relief of pressure on veins