What is the most useful marker of prognosis in myeloma?
Calcium level
Urine Bence-Jones protein levels
Alkaline phosphotase
ESR
B2-microglobulin
In idiopathic thrombocytopenic purpura what are the autoantibodies most commonly directed at?
Platelet activating factor
Glycoprotein IIb/IIIa complex
ATP receptor
Anti-thrombin III receptor
ADP receptor