Which of the following cell/cells will play a role in immune responses?

(1) Ganulocytes

(2) Neutrophils

(3) Lymphocytes

(4) Macrophages

Which of the following sequence is correct in terms of abundance?
1. Neutrophils > Lymphocytes > Monocytes > Eosinophils > Basophils
2. Neutrophils > Lymphocytes < Monocytes > Eosinophils > Basophils
3. Neutrophils < Lymphocytes > Monocytes > Eosinophils > Basophils
4. Neutrophils > Lymphocytes > Monocytes < Eosinophils > Basophils

Which of the following cell/cells are not Granulocytes?

(1) Eosinophil

(2) Basophil

(3) Lymphocyte

(4) Neutrophils

If a person is AB ^– , who cannot donate blood to this person?

(1) any person with Rh antigen

(2) any person with O⁺ only

(3) any person with AB^–

(4) all people except A⁺

A person with blood group O^– can take blood from

(1) O⁺ person

(2) O^– person

(3) A⁺ person

(4) both (1) and (2)

Fibrins are formed by conversion of _______ in _______ by the enzyme _______

(1) Fibrinogen, serum, Thrombokinase

(2) prothrombin, plasma, thrombin

(3) Fibrinogen, plasma, thrombin

(4) Prothrombin, blood, thrombokinase

During the initiation of coagulation of blood, the platelets are activated by–

(1) Thrombin

(2) Trauma

(3) Ca⁺⁺

(4) Thrombokinase

To avoid Erythroblastosis Foetalis–

(1) the mother is administered anti–Rh antibodies.

(2) the baby is administered Rh antibodies.

(3) the mother is administered Rh antibodies

(4) the baby is administered anti–Rh antibodies

RBCs in human are:

(1) Biconcave-and nucleated

(2) Biconvex and nucleated

(3) Biconcave and enucleated

(4) Biconvex and enucleated

Histamine, serotonin and heparin are secreted by:

(1) Thrombocytes

(2) Lymphocytes

(3) Monocytes

(4) Basophils