Question No:1

Which of the following is an incorrect statement about leucocytes?

[A] They are nucleated
[B] They are approx average 6000-8000 mm^-3 of blood cells in numbers
[C] Two main types are found granulocyte and agranulocyte
[D] Monocytes are most abundant WBCs



Question No:2

Lymphocyte forms how much percent of WBCs?

[A] 20-25%
[B] 2-3%
[C] 6-8%
[D] 60-65%



Question No:3

Which of the following cells are responsible for immune responses of the body

[A] T-lymphocyte
[B] B-lymphocyte
[C] both
[D] Astrocyte



Question No:4

Platelets are

[A] cell fragments of megakaryocyte
[B] 1.5 to 3.5 lac/mm³ in blood
[C] also called thrombocytes
[D] All



Question No:5

ABO grouping is based on how many antigens present or absent on WBCs

[A] 1
[B] 2
[C] 3
[D] None



Question No:6

Select the correct statement from the following:

[A] Surface antigen on RBC always induce autoimmune response
[B] Blood grouping (ABO) is example of multiple allelism
[C] AB blood group is universal recipient as well as donor
[D] 4 phenotype of blood group (ABO) are possible and 5 genotype of blood group (ABO) are possible



Question No:7

A patient with blood group ‘A’ was injured in an accident and has lost a lot of blood during injury. Which blood group the doctor should effectively use in this case?

[A] AB
[B] A/O
[C] B/O
[D] AB/A/B



Question No:8

How many people are Rh+ve in human population?

[A] 80%
[B] 20%
[C] 60%
[D] 40%



Question No:9

Rh incompatibility in first pregnancy occurs when

[A] Foetus develop its heart completely
[B] During the delivery of first child
[C] When foetal organs completely develop
[D] Never occur in the first pregnancy



Question No:10

Erythroblastosis foetalis is

[A] HDN
[B] Rh incompatibility
[C] Both
[D] None



Question No:11

There is a vertical transmission of Rh antibody from mother to foetus because they are ______ type of antibody

[A] 1gM
[B] 1gG
[C] 1gA
[D] 1gD



Question No:12

Select incorrect statement from the following:

[A] Clot or coagulum formed mainly by network of fibrin in which died and damaged formed element of blood are trapped
[B] Inactive fibrinogen is converted to fibrin by hormone thrombin
[C] Prothrombin is converted into thrombin by enzyme complex, thrombokinase
[D] Platelet or injured tissue released certain factors which initiate coagulation



Question No:13

Select the incorrect statement from the following:

[A] When platelet releases certain factor which initiate clotting it is known as intrinsic pathway
[B] When injured tissue releases certain factor which initiate clotting it is known as extrinsic pathway
[C] Calcium plays a minor role in clotting
[D] Coagulation prevent excessive loss of blood from the body from injured part



Question No:14

Which enzyme causes conversion of prothrombin into thrombin?

[A] Thrombinase
[B] Prothrombinase
[C] Thrombokinase
[D] Rennin



Question No:15

Blood is a special type of connective tissue which

[A] consists of a fluid matric (Plasma)
[B] forms elements
[C] is the most commonly used body fluid in most of the higher organism
[D] all