Pregunta 1
Pregunta
Nagler's reaction is used in rapid diagnosis of :
Respuesta
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A) Gas gangrene
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B) Tetanus
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C) Diphteria
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D) Botulism
Pregunta 2
Pregunta
A 22-year old man fell while riding his motor cycle and suffered an open fracture of his left femur and severe lacerations and crushing injury into the thigh . 24 hours later, pain and swelling in the thigh increased rapidly . serous dicharge from the wound was observed and a crepitus was felt. an important virulence factor of the causative organism is:
Respuesta
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A) Botulinum neurotoxin
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B) Edema factor
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C) Epidermolytic factor
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D) Lethicinase enzyme
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E) tetanospasmin
Pregunta 3
Pregunta
Traditional media for diagnosis of T.B include all of the following EXCEPT:
Respuesta
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A) BACTEC system
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B) Lowenstein Jensen
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C) Middle brook agar
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D) Middle brook broth
Pregunta 4
Pregunta
Actinomyces are differentiated from nocardia by all of the following except;
Respuesta
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A) Commensals in mouth , Git and female genital tract
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B) produce sulpher granules
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C) not acid fast
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D) slower growing organism
Pregunta 5
Pregunta
Which of the following cause TB like disease ?
Pregunta 6
Pregunta
Nocardia brasiliensis infection occurs by:
Pregunta 7
Pregunta
The Env polyprotein is cleaved by:
Respuesta
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A) viral protease
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B) viral polymerase
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C) host protease
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D) all of the above
Pregunta 8
Pregunta
The following condition is responsible for HIV antigenic variation:
Pregunta 9
Pregunta
Seroconversion in HIV occurs :
Pregunta 10
Pregunta
which of the following viruses cause neck rigidity ;
Respuesta
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A) sand fly fever virus
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B) Dengue virus
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C) Lassa virus
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D) Hanta virus
Pregunta 11
Pregunta
which of the following viruses cause pulmonary disease:
Respuesta
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A) Lassa virus
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B) yellow fever virus
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C) Dengue virus
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D) Hanta virus
Pregunta 12
Pregunta
The main virulence factor f pseudomonas in chronic lung disease associated with pts with cystic fibrosis of the lung is:
Respuesta
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A) Capsule
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B) hemolysin
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C) elastase
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D) pilli
Pregunta 13
Pregunta
Which of the following G-ve bacilli is Ampicillin and cephalosporin sensitive:
Respuesta
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A) p.Mirabilis
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B) p. vulgaris
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C) K.aerogenes
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D) k.ozaene
Pregunta 14
Pregunta
which of the following bacteria causes osteomylitis in pts with sickle cell anemia
Pregunta 15
Pregunta
which of the following is H2s positive
Pregunta 16
Pregunta
which of the following diseases is/are caused by ssp.pnemoniae (klebsiella)?
Pregunta 17
Pregunta
Recovery in Rhinoviruses common cold is due to:
Respuesta
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A) IFN alpha
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B) IFN gamma
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C) IL1
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D) non of the above
Pregunta 18
Pregunta
which of the following viruses cause hgic conjunctivitis:
Respuesta
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A) Coxsakie Group A
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B) Coxsakie Group B
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C) type 70 enterovirus
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D) A+C
Pregunta 19
Pregunta
which of the following viruses cause Aseptic meningitis and flaccid paralysis:
Respuesta
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A) polio virus
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B) type 71 enterovirus
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C) type 68 enterovirus
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D) A+B
Pregunta 20
Pregunta
the best method for diagnosis of polio virus is:
Respuesta
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A) RT-PCR
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B) serotyping
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C) A+B
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D) non of the above
Pregunta 21
Pregunta
which of the following viruses causes infantile gastroenteritis:
Respuesta
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A) corona virus
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B) Rota virus
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C) polio virus
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D) non of the above
Pregunta 22
Pregunta
all of the following bacteria are non motile except:
Respuesta
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A) yersinia pestis
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B) klebsiella
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C) shigella
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D) H.pylori
Pregunta 23
Pregunta
the main virulence factor of yersinia pestis responsible for dissemination is:
Pregunta 24
Pregunta
which of the following causes hydrolysis of Hippurate:
Respuesta
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A) campylobacter coli
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B) campylobacter jeujeni
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C) H PYLORI
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D) all of the above
Pregunta 25
Pregunta
all of the following are urease positive except:
Respuesta
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A) pseudomonas
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B) proteus
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C) H pylori
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D) Y. pseudotuberclosis
Pregunta 26
Pregunta
cholera red reaction is seen in:
Respuesta
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A) V.cholera
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B) Ecoli
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C) K.oxytoca
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D) p.vulgaris
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E) all of the above
Pregunta 27
Pregunta
treatment of animal bite fever is:
Respuesta
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A) penicillin G
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B) aminoglycosides
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C) CIPROFLOXACIN
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D) metronidazole
Pregunta 28
Pregunta
which of the following bacteria is cultured on glucose cysteine blood agar:
Pregunta 29
Pregunta
all of the following survive IC in phagocytes except:
Respuesta
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A) brucella
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B) legionella
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C) franscisella
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D) Campylobacter coli
Pregunta 30
Pregunta
treatment of meningitis and epiglottitis caused by H.influenza is treated by :
Respuesta
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A) ceftriaxone
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B) amoxicillin
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C) Tetracyclin
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D) all of the above