M 5/29 Flashcards
What does the dorsal pancreatic bud become?
The pancreatic body, tail, most of head, accessory duct
What does the ventral pancreatic bud become?
Uncinate process, portion of head, proximal portion of main duct
What cells express HLA I?
All nucleated cells
What cells express HLA II?
Antigen presenting cells
What do HLA I present?
Endogenous peptides to CD8
What do HLA II present?
Foreign antigens to CD4
What mutation is associated with MODY?
Glucokinase
What enzyme functions as a glucose sensor in B cells?
Glucokinase
What is insulin release stimulated by?
Inc in ATP
What does bradykinin do?
Dilates blood vessels
What occurs in C1 esterase inhibitor deficiency?
Unregulated kallikrein leads to an inc in bradykining; hereditary angioedema
What drugs are contraindicated in C1INH def
ACEI
What enzyme degrades bradykinin?
ACE
What is the mechanism of action of hydralazine
Inc cGMP –> sm m relaxation; arterioles > veins
What effect does hydralazine have on afterload?
Dec