AIPGE 09 MDS Microbiology

48. True about mycobacterium other than tuberculosis (MOTT)
a) Causes disseminated infection
b) Occurs in persons with normal immunity
c) Causes decreased efficacy of BCG due to cross immunity
d) Person to person trAnsmission is seen
Ans:

49. Life cycle of filaria is
a) Cyclodevelopmental
b) Cyclopropagative
c) Propagative
d) Tran ovarian
Ans: a) Cyclodevelopmental

50. Herpangina is caused by
a) Coxsackie virus
b) HSV
c) HBV
d) EBV
Ans: a)Coxsackie virus

51. TRUE among the following:
a) Hanta virus pulmonary syndrome is used by inhalation of rodent urine and feces
b) Kyanasur forest disease is caused by bite of wild animal
c) Lyssa virus is trAnsmitted by ticks
d) ……
Ans: a) Hanta virus pulmonary syndrome is used by inhalation of rodent urine and feces

Dental materials

52. Purpose of indium in amalgam
a) Eliminate gamma phase
b) Eliminate gamma-2 phase
c) Decrease Hg release on mastication
d) Decrease Hg release on abrasion
Ans

53. Bonding of GIC to tooth structure is brought about by
a) Metal ions
b) Hydroxyl bond
c) Carboxyl bond
Ans

54: Order of setting of GIC is
a) Gelation, migration, post setting contraction
b) …
c) …
d) …
Ans:

55. Action of primer
a) Removal of smear layer
b) Increases surface free energy of dentin
c) Forms thin layer between collagen and resin
d) Bonds with composite
Ans:

56. Polymerization shrinkage of composite causes compression stress of
a) 1 mpa
b) 15mpa
c) 5 mpa
d) 30 mpa
Ans:

57. To increase the efficiency of tungsten Carbide bur
a) Should run only after touching the tooth
b) Run at high speed before touching the tooth
c) Run at low speed before touching the tooth
d) Run before entering the oral cavity
Ans: c) Run at low speed before touching the tooth