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A 4 year old boy presents with prolonged bleeding. A complete blood count, Prothrombin time & activated thromboplastin time normal. The possibilities are
A Platelet function disorder
B Von- Willebrand disease
C Congenital factor VII deficiency
D Idiopathic thrombocytopenic purpura
E Hemophilia A
Deactivated partial thromboplastin time is prolonged in
A Disorders of intrinsic pathway
B Factor X deficiency
C Factor VIII deficiency
D Factor IX
E X or XII deficiency
F Factor VII deficiency
Prothrombin time is prolonged in
A Warfarin therapy
B Hepatocellular diseases
C Disseminated intravascular coagulation
D Amoebic liver abscess
E Acute pyogenic infection
Causes of prolonged prothrombin time are
A Treatment with oral anticoagulant drugs
B DIC
C Haemophilia A
D Deficiency of factor XI and XII
E Haemolytic disease of newborn
Partial thromboplastin time (PTT) assays the functions of
A Fibrinogen
B Factor VIII
C Factor X
D Factor XI
E Factor XII
The plasma prothrombin time is increased in
A Hepatocellular disease
B In obstructive jaundice
C Haemophillia
D Following splencetomy
E In Christmas' disease
Prothrombin time assay
A Is done in hepatic failure
B Is related to vitamin K dependent factors
C Is monitored during oral anticoagulant therapy
D Involves the intrinsic pathway of coagulation
E Is monitored during heparin therapy
Prothrombin time is increased in the following conditions
A Acute liver failure
B Obstructive jaundice
C Hemophilia
D Christmas disease
E Post-splenectomy
Prothrombin time is increased
A With warfarin therapy
B In fulminant hepatic failure
C Following splenectomy
D In haemolytic jaundice
E In haemophilia
Prothrombin activator consists of
A Phospholipids
B Factor V
C Activated factor X
D Prothrombin
E Factor IX

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