18417.Antigen binding site in an antibody is found between
two light chains
two heavy chains
one heavy and one light chain
both 2 and 3 depending upon nature of antigen
18418.Antigen binding site of immunologlobin is
Variable region of heavy chain
Variable region of light chain
Constant region of light chain
Variable region of both heavy and light chains
18419.Antigen determinant differs from antigen binding site in its
Location
Function
Structure
All the above
18420.Antigenic determinants of an antigen that are recognized by antibody are
Paratopes
Epitopes
Isotopes
Nondeterminants
18422.To which type of barriers under innate immunity do saliva in mouth and tears in eye belong
Physiological barriers
Physical barriers
Cytokine barriers
Cellular barriers
18423.Binding of antigen to antibody is through
Disulphide bridges
Amide formation
covalent bonds
Electrostatic interactions
18425.Blood group AB has
No antigen
No antibody
Neither antigen nor antibody
Both antigen and antibody
18426.Blood group is due to
Specific antigens on the surface of WBC
Specific antibodies on the surface of RBC
Specific antigens on the surface of RBC
Types of haemoglobin
18427.Blood group O has
Antigen A and antibody b
No antigen nor antibody
No antigen but both a and b antibodies
Antigens A and B and antibodies a and b
18428.Blood of AB group cannot be given to B group patient because
Patient has antibodies b
Patient lacks antibodies b
patient lacks antibodies a
patient has antibodies a
18429.Both B-cells and T-cells of immune system are produced in
Spleen
L lymphoid nodes
Bone marrow
Thymus
18431.If you suspect deficiency of antibodies in a person, to which of the following would you look for confirmatory evidence?
Serum globulins
Serum albumins
Haemocytes
Fibrinogen in the plasma
18433.Cells of immune system that cause pore formation in the antigen are
Helper T-cells
Killer T-cells
Suppressor T-cells
B-cells
18434.Character of acquired immunity is
differentiation of self and nonself
specificity of antigen
retains memory
all the above
18437.Common cold differs from pneumonia in, that
Pneumonia is caused by a virus while the common cold is caused by the bacterium Haemophilus influenzae
Pneumonia pathogen infects alveoli whereas the common cold affects nose and respiratory passage but not the lungs
Pneumonia is a communicable disease whereas the common cold is a nutritional deficiency disease
Pneumonia can be prevented by a live attenuated bacterial vaccine whereas the common cold has no effective vaccine
18438.Child death may occur in the marriage of
Rh+ man and Rh+ woman
Rh+ man and Rh- woman
Rh- man and Rh+ woman
Rh- man and Rh+ woman
18439.Conversion of antigen into harmless insoluble matter by antibodies is
Agglutination
Opsonisation
Neutralisation
Activation
18440.During inflammation which of the following is secreted by connective tissue
Heparin
Serotonin
Glucagon
Histamine
18444.Histamiens or inflammation producing substances are formed by
Macrophages
Sustentacular cells
Mast cells
Collagen fibres
18447.Husband and wife should know their Rh factors because the situation can be serious due to biological incompatibility in one of the following cases
Rh+ husband and Rh+ wife
Rh- husband and Rh- wife
Rh- husband and Rh+ wife
Rh+ husband and Rh- wife
18448.Hypersensitivity to an allergen is due to
Increase in temperature
Food habits
Age
Aberrent functioning of immune system
18449.If a man is Rh+ and woman Rh-
Their first child will die
No child will be born
the first child will survive
All the children will survive
18450.Immunity acquired after an infection is
active immunity
Passive immunity
Innate immunity
Both B and C
18451.Immunological destruction of body tissue or product due to antibodies reacting with it as antigen is called
Anaphylaxis
Autoimmune diseases
Prophylaxis
Immunodeficiency disease
18452.Increased asthmatic attacks in certain seasons are due to
Inhalation of seasonal pollen
Heat and humidity
Low temperature
Eating preserved fruits
18453.A slate of complete physical mental and social well being is called
Disease
Health
Hygiene
Infirmity
18455.Inflammatory response in allergy is due to release by mast cells of
Antibodies
Antigens
Histamine
All the above
18456.Innate immunity is
Active acquired immunity
Passive acquired immunity
Inborn immunity
Both B and C
18459.O blood group is universal donor because the blood has
Antigen A
Antigen B
Both antigens A and B
No antigens
18460.Passive immunity is
Acquired through natural overt or latent infection
Acquired through Vaccination
Acquired through readymade antibodies
Acquired by activating immune system of the body
18461.Which one helps in differentiation of cells of immune system
Cortiosol
Thymosin
Steroid
Thyroxine.
18463.Persons with blood group A posses
Antigen A and antibodies b
Antigen A and antibodies a
No antigen but antibodies aand b
antigens A and B but no antobodies