wk5 questions Flashcards
Most common cause of acute intestinal obstruction?
Previous surgeries (intra-abdominal adhesions)
Which sx would be located in foregut?
Sharp epigastric pain from a gastric ulcer
What structure can become a fistula if it doesn’t close properly?
Allantois
Most hernias are congenital because
The processus vaginalis didn’t close properly
Most common hernia in women?
Indirect inguinal
Check a man for hernia, part of his sigmoid and cecum are part of his hernia sac. What does he have?
Richter’s
Total iron level to notice the skin pigmentation changes seen with hereditary hemochromatosis?
20g
Purpose of penicillamine challenge?
If pt has increased excretion of copper into urine showing Wilson’s disease
Lab for alcoholic hepatitis?
AST>ALT (both elevated)
Which lab test best reflects the degree of hepatic dysfunction?
Increased prothrombin time
Most commonly genetically caused d/o needing liver transplantation in kids?
alpha-1-antitrypsin def
Black brown gall stones?
Liver cirrhosis
Acute cholangitis?
Jaundice, RUQ pain fever with chills
Baby drooling and regurgitation and drooling. Stomach enlarged
EA with distal fistula
Which one involves IgE and IgG Abs in immune response?
Person with nut allergy eating some nuts
Nuts activate the complement system leading to macrophage activation and the release of what important factor involved in anaphylactic shock?
Platelet activating factor
What is the specific T cell that the CD4 T cell differentiates into to attract neutrophils to initiate the inflammatory response?
Th17 T cell
Why is IgA antibody used for the Anti-inflammatory immune mechanism response of immune exclusion?
It is a dimer making it resistant to proteinases
What is the main cytokine used to differentiate naive T dlls into Treg cells and not Th1, Th2 or Th17 cells in the oral tolerance immune response?
TGFbeta
