Microbiology MCQ Questions — Page 111

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991 Microbiology

A 65 years old man presenting with complaints of chest pain, fever, cough with sputum. O/E of sputum, pus cells with gram positive cocci present. Blood agar showed positive result. How will you differentiate this from other gram positive cocci?a) Bacitracinb) Optochin sensitivityc) Bile solubilityd) Coagulase positivity

Aa

Bbc

Cac

Dad

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992 Microbiology

With which of the following of viral hepatitis infection in pegnancy, the maternal moality is highest ?

AHepatitis A

BHepatitis B

CHepatitis C

DHepatitis E

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993 Microbiology

Not true about viral envelop?

ALipid is derived from host cells

BProtein is derived from virus itself

CDissolves in solvent

DPropagates in next generation

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994 Microbiology

True statement among the following

AHalf life of I125 is 60 days

BHalf life of I131 is 12 days

CI131 is used in RIA for thyroid hormones

DI125 is preferred over 123 for thyroid scan

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995 Microbiology

THUMB PRINT APPEARANCE in culture film smear is seen in

Abacillus anthrax

Bbrucella

CBordetella

Dclostridium welchii

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996 Microbiology

Lysogenic conversion is

AIntegration of host bacterial nucleic acid to phage

BIntegration of phage nucleic acid to host bacteria genome

CBacterial mechanism to cause antigenic shift

DBacterial method to acquire resistance

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997 Microbiology

Maternal to child transmission of HIV is prevented by

ANevirapine

BLamivudine

CDidanosine

DAbacavir

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998 Microbiology

Fogay’s catheter is used for

ADrainage of urinary bladder

BParenteral hyperalimentation

CRemoval of embolus from blood vessels

DUreteric catheterization

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999 Microbiology

True about secondary immune response is –

ALong latent period

BUsually of low titire

CAntibodies appear in sho time

DPersist for long

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