Q.1:
The predominant immunoglobulin in saliva is_______________?;
A.IgA
B.
IgD
C.
IgE
D.
IgG
Q.2:
Steam under pressure in used in ________ sterilization?7
A.
Pasteurization
B.Autoclave
C.
Kochs sterilizer
D.
hot air oven
Q.3:
The chemotactic factor is______________?(
A.
C2a
B.
C3b
C.
C4a
D.C5a
Q.4:
Example of immune complex hyper-sensitivity reaction is______________?F
A.
Atopic allergy
B.Serum sickness
C.
Transfusion reaction
D.
Contact dermatitis
Q.5:
The best sterilization method for a hand-piece is________________?B
A.Ethylene oxide gas
B.
dry heat
C.
chemical vapour
D.
All of the above
Q.6:
The minimum time required for the sterilization of surgical instruments by moist heat at 134C is__________________?u
A.3 minutes
B.
15 minutes
C.
30 minutes
D.
60 minutes
Q.7:
Dark ground microscopy is useful to identify______________?;
A.
Mycoplasma
B.
Chlamydiae
C.
Rickettsiae
D.Spirochaetes
Q.8:
The interaction of antigens with antibodies on the surface of a mast cel leads to degranulation and anaphylaxis. The mast cell granules produce anaphylaxis because they contain________________?
A.
Lysosomes
B.
Proteolytic enzymes
C.
Lymphotoxins
D.Vasoactive mediators
Q.9:
The Ig found in exocrine secretions is_____________?4
A.
IgG
B.
IgD
C.
IgM
D.IgA
Q.10:
Bacterial spores are destroyed by_______________?1