1) Quantitatively the largest class of immunoglobulins in human serum is: a) IgG

Question

1) Quantitatively the largest class of immunoglobulins in human serum is: a) IgG b) IgA c) IgM d) IgD e)IgE

2) A viral vaccine for the common cold probably would not be beneficial because: a) A pure culture cannot be frown in tissue cultures b) A multiplicity of viral agents is responsible for the common cold c) Immunity is of brief duration d) All of the above e) None of the above

3)A point to note in relation to tuberculosis is: a) It is always acute b) It is always chronic c) The outcome of the struggle between the tubercle bacillus and the hist may not be decided for many years d) The disease is always confined to the lungs e) None of the above

4) Characteristics associated with virulent staphylococci include: a) Coagulase positive b)Fermentation of mannitol c) Beta type hemolysis on blood agar d)all of the above e) only A and C

5) The basic lesion produced by staphylococci is : a)abscess b)ulcer c)varicose veins d)Impetigo e)none of the above

6)The most common method for the transmission of serum hepatitis is: a) direct injection b) Respiratory secretions c) Fomities d) Contaminated water e) None of the above

7)The direct cause of the symptoms of tetanus is: a)Endotoxin b)Exotoxin c)Toxic effect of the cell d)Hemolysins e)none of the above

Explanation / Answer

Ans 1 : IgG is the largest class of immunoglobulins in human serum.

Ans 2 : answer is (d) all of the above

Ans 3 : A point to note in relation to tuberculosis is (c) the outcome of the struggle between the tubercle bacillus and the host may not be decided for many years

Ans 4 : Characteristics associated with virulent staphylococci include : (d) all of the above.

Ans 5 : The basic lesion produced by staphylococci is (a) Abscess

Ans 6 : The most common method for the transmission of serum hepatitis is (a) direct injection

Ans 7 : The direct cause of the symptoms of tetanus : (b) Exotoxin

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