Platelets are formed from–

(1) Megakaryoblast

(2) Megakaryocyte

(3) Macrokaryoblast

(4) Macrophages

______ population has Rh ______ on the surface of ______ present in their ______.

(1) 20%, antigen, platelets, plasma

(2) 80%, antigen, RBC, blood

(3) 80%, antibody, platelet, plasma

(4) 20%, antibody, RBC, blood

ABO blood grouping is based on

(1) presence of two soluble antibodies

(2) absence of two surface antigens

(3) presence of two surface antigens

(4) both (2) and (3)

If a person gets his blood count done from a lab and finds his platelets to be 20000 and then meets an accident on that day. Which of the following is correct?

(1) as the platelet count is normal, there will be no harm to him because of platelets.

(2) Clotting disorders

(3) Severe Blood loss from body

(4) both (2) and (3)

The number of RBC in a healthy individual are:

(1) 5 million to 5.5 million RBCs

(2) 5 billion to 5.5 billion RBCs

(3) 1 million to 1.5 million RBCs

(4) 1 billion to 1.5 billion RBCs

The transport of respiratory gases is taken care by which blood component?

(1) RBC

(2) WBC

(3) Platelets

(4) Fibrinogen

Hemoglobin in healthy individual:

(1) 12–20 g/10 mL of blood

(2) 12–14 g/100 mL of blood

(3) 12–30 g/10 mL of blood

(4) 12–14 g/10 mL of blood

Leucocytes are ______ and ______.

(1) colourless and enucleated

(2) coloured and nucleated

(3) colourless and nucleated

(4) coloured and enucleated

Which of the following sequence is correct in terms of abundance in blood?

1. RBC > WBC > Platelets

2. WBC > RBC > Platelets

3. RBC > Platelets > WBC

4. RBC < WBC > Platelets

Which of the following cell will play a role in resistance of infection and allergic reaction?

(1) Eosinophil

(2) Basophil

(3) Lymphocyte

(4) Neutrophils