Name the nerve stimulator which is responsible for the pain of the inflammation.
A.
Bradikinins
B.
Prostaglandin
C.
Histamines
D.
Kinins
Answer: Option D
Explanation:
Kinins are the principal mediator of inflammatory response which is present in blood plasma in an inactive form. It causes vasodilation and increased permeability of capillaries.
Which of the following is NOT the characteristics of a good antigen.
A.
Large in size
B.
Foreignness
C.
Highly complex
D.
Reproduce only by binary fission
Answer: Option D
Explanation:
A good antigen is defined by its complexity and size, plus its foreignness and dosage. Large size and highly complex antigen are considered as good and more responsive.
Which of the following antibody gives a primary immune reaction?
A.
IgG
B.
IgM
C.
IgA
D.
IgE
Answer: Option B
Explanation:
The first class of antibody which provide a primary immune response is IgM followed by IgG. When the same antigen attack again, the secondary immune response generated which is provided by IgG.