hemat quiz 2

Immunoglobulins are produced by:

• Plasma cell

• Neutrophil

• Megakaryocyte

• Macrophage

Von Willebrand factor has role in:

• Platelet adhesion against injured vascular surface

• Activation of clotting factor

• Clot lysis

• Vasoconstriction

Clotting time is normal in:

• Factor III deficiency

• Purpura

• Factor I deficiency

• Factor XI deficiency

One of the following is the test for extrinsic system of blood clotting:

• Platelet count

• Prothrombin time

• Bleeding time

• Thromboplastin generation time

Reticulocyte count is an index for:

• Bone marrow activity

• Leucocyte production

• Antibody production

• Thrombocyte production

Clotting time is prolonged in all; except:

• Hemophilia

• Liver disease

• Purpura

• Christmas disease

One of the following does not cause clot lysis

• Plasmin

• Streptokinase

• Thromboplastin

• Urokinase

Red cell suspension of AB group when cross-matched with B group blood, which one of the following effects can take place?

• No agglutination as the AB group has no agglutinins

• No agglutination occurs as the AB group can receive blood from all other

• Agglutination occurs between the Aagglutinogen of AB group and alpha agglutinin of B group

• Agglutination occurs as the B group has alpha agglutinin groups

Normocytic, normochromic anemia is seen in

• Chronic infection

• Sickle cell anemia

• Folic acid deficiency

• Iron deficiency

In deficiencies of vitamin B, and folic acid, one of the following does not occur in both the conditions:

• Macrocytic anemia

• Normochromic anemia

• Subacute combined degeneration of spinal cord

• Low RBC count