Which of the following fulfil all the criterias of kich’s postulates ?

Related Mcqs:

1. An oxidase-positive, gram-negative rod which produces a bluish-green pigment has been grown in culture from a swab obtained from an infected burn wound. This organism is susceptible to gentamicin, ticarcillin and tobramicin, but resistant to all the other antibiotics which of the following organisms is it likely to be ?

   A. Escherichia coli
   B. Klebsiella pnemoniae
   C. Proteus miribilis
   D. Pseudomonas aeruginosa

2. Toxic shock syndrome is due to the following virulence factor_____________?

   A. M protein
   B. Pyrogenic exotoxin
   C. Streptolysin 0
   D. Carbohydrate cell wall

3. The virulence factors of Neisseria gonorrhea include all of the following except____________?

   A. Outer membrane proteins
   B. IgA Protease
   C. M-Proteins
   D. Pili

4. Chlamydia causes all of the following except________________?

   A. Trachoma
   B. Non-gonococcal urethritis
   C. Pneumonia
   D. Parotitis

5. which of the following is anaerobic_______________?

   A. E.coli
   B. Bacteroides
   C. Pseudomonas
   D. Klebsiella

6. One of the following is a zoonotic disease_____________?

   A. Anthrax
   B. Typhoid
   C. Bacillary dysentery
   D. Cholera

7. A veterinary doctor had pyrexia of unknown origin His blood culture in special laboratory media was positive for gram negative short bacilli which was oxidase positive. Which one of the following is the likely organism grown in culture ?

   A. Pasturella spp
   B. Francisella spp
   C. Bartonella spp
   D. Brucella spp

8. All of the following lab tests can be used to distinguish streptococcus mutans from other oral streptococci, except______________?

   A. Gram staining
   B. Fermentation of mannitol and sorbital
   C. Production of intracellular and extracellular adherent polysacharide
   D. Colony morphology on saliva agar

9. A diabetic patient developed cellulitis due to staphylococcus aureus, which was found to be Methicillin resistant on the antibiotic sensitivity testing. All of the following antibiotics will be appropriate EXCEPT________________?

   A. Vancomycin
   B. Imipenem
   C. Teichoplanin
   D. Linezolid

10. Each of the following viruses possesses an outer lipoprotein envelope except_____________?

    A. Varicella Zoster Virus
    B. Papilloma Virus
    C. Influenza Virus
    D. Human immunodeficiency virus