Transfusion Médecine

Question 1

Rhig given for the treatment of idiopathic thrombocytopenia purpura is given to patients who:

A. Are Rh+ and have an intact and functional spleen
B. Are Rh- and have an intact and functional spleen
C. Are Rh+ and are post splenectomy
D. Are Rh- and are post splenectomy

Answer 1

A

ITP = antibodies against platelets. RHIG distracts immune system by attaching to D antigens on red cells so that body focuses on destroying the red cells (through spleen) instead of platelets.

Question 2

Cryoprecipitate can be used to treat all of the following except:

A. Von Willebrand’s disease
B. Hypofibrinogenemia
C. Idiopathic thrombocytopenia purpura
D. Factor XIII deficiency

Answer 2

C

Question 3

Which of the following is true of an immediate spin crossmatch?

A. Detects clinically significant antibodies
B. Detects ABO incompatibility only
C. Can be used in all situations
D. is only used in emergency situations

Answer 3

B