Blood Disorders and Treatments Quiz

Purpura is a condition characterized by?

• Low platelet count

• Excessive RBC destruction

• Prolonged clotting time

• Increased WBC count

Fibrinolytic system is primarily responsible for?

• Clot formation

• Platelet activation

• Fibrin clot dissolution

• Blood vessel constriction

Which enzyme plays a central role in fibrinolysis?

• Thrombin

• Plasmin

• Prothrombin

• Fibrinogen

Landsteiner’s Law is related to?

• Blood pressure regulation

• Antigen-antibody reaction in blood groups

• Heart rhythm

• Respiratory gas exchange

According to Landsteiner’s First Law, if an antigen is present on RBCs?

• The corresponding antibody will be present in plasma

• The corresponding antibody will be absent in plasma

• Antigen will be inactive

• Antibody will be in RBCs

Landsteiner’s Second Law relates to?

• Antigen production

• Antibody synthesis only in Rh-negative individuals

• Presence of antibodies for absent antigens

• Clotting

Rh incompatibility leads to?

• Sickle cell anemia

• Hemophilia

• Erythroblastosis fetalis

• Thalassemia

Erythroblastosis fetalis occurs due to?

• ABO incompatibility

• A mother with Rh+ and fetus with Rh−

• Rh− mother with Rh+ fetus

• Iron deficiency anemia

Which is used to prevent Rh incompatibility?

• Vitamin K

• Rhogam injection

• Iron supplements

• Dextran

Which is a naturally occurring anticoagulant?

• Heparin

• Warfarin

• Aspirin

• EDTA