GI corrections Flashcards
what is the change in epithelium for Barrett’s oesophagus?
a normal stratified squamous layer of the oesophagus is replaced by simple columnar (glandular) epithelium
what is a mechanical inhibitor of gastric acid secretion?
nausea
what has a direct vasoconstrictive effect on BV: angiotensin I angiotensin II aldosterone renin non of the above
angiotensin II
Where is the IVC located in relation to the peritoneum?
posteriorly
What are the two main areas of the oral cavity?
oral cavity proper and the vestibule
What is a smooth liver a sign of in conjuction with COPD?
RS HF- cor pulmonae
What does somastatin do and how?
regulatescontol of HCL secretion in stomach, decreases motility, secretion and absorption in response to an increase in fatty acids, plasma amino acids and blood glucose
Which of the following statements is true of achalasia?
a) The condition is caused by vitamin B deficiency
b) Dysphagia occurs for liquids but not solids
c) Endoscopy reveals a ‘bird’s beak appearance’
d) Balloon dilatation of the lower oesophageal sphincter is usually ineffective
e) There is an increased risk of oesophageal cancer
e
Which of these is not known to cause dysphagia?
a) Cervical spondylosis
b) Diabetes mellitus
c) Old age
d) Depression
e) Multiple sclerosis
a
Regarding peptic ulcer disease, which of these statements is true?
a) There is no association between socioeconomic status and H. pylori infection
b) The risk of acquiring H. pylori infection declines after childhood
c) Gastric ulcers are more common than duodenal ulcers
d) The pain of gastric ulcers is classically relieved by eating
e) The Zollinger–Ellison syndrome has no known cause
b- you acquire it in childhood, but the manifestation of it isnt until your older
is oral candiasis a risk for oesophageal cancer?
no
If a patient presents with liver disease and haematemesis, what do they have>
oesophageal varices
virchow’s node is?
left supraclavicular lymph node
what cells do the GISTs originate from?
Cajal
what is the mutation of gene that causes diffuse gastric cancer?
CDH1
epithelia change in gastric intestinal cancer?
columnar glandular epithelium to simple columnar epithelium (intestinal epithelium)
are duodenal or gastric ulcers more common?
duodenal
What blood group is at risk for gastric cancer?
blood group A
If reed-sternburg (red cell) is found in left supraclavicular lymph node what type of cancer is it?
Hodgkins b cell lymphoma
what cancer develops gastric linitis and what is it?
diffuse gastric adenocarcinoma, harding of stomach so it appears like a leather bottle
metastases of gastric cancer
liver
peritoneum
umbilicus
lymph nodes
what type of gastrectomy do you get if tumor in proximal 1/3rd of stomach?
total
what type of gastrectomy do you get if tumor in distal 2/3rd of stomach?
partial
what type of gastritis leads to B12 deficiency and why?
automimmune affects intrinsic factor which is responsible for B12 absorption