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 ?

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. A child presents with infective skin lesions of the leg. Culture was done which showed gram positive cocci in chains and haemolytic colonies. Which of the following tests will best identify the organism ?

   A. Bile solubility
   B. Optochin sensitivity
   C. Bacitracin sensitivity
   D. Cataslase positive

3. Leprosy bacilli can be grown in_________________?

   A. Foot paid on nine branded armadilo
   B. Tail of guinea pig
   C. Testes of albino rats
   D. Testes of guinea pig

4. Sterilisation control for moist heat is “or” The efficacy of the moist heat sterilization technique commonly used to sterlilize laboratory ware and culture media is tested by using_______________?

   A. using Bacillus stearo thermo philus
   B. Using non-pathogenic strain of clostridium tetani
   C. Using chemical indicator
   D. Using methylene blue

5. The difference between gram positive and negative bacteria lies in their_______________?

   A. cell wall
   B. cell membrane
   C. Nuclear material
   D. Mesosomes

6. While performing a procedure, a resident doctor injures herself with a suture needle that has been used to stitch a patient with HIV infection for 11 years. He has been complaint with therapy for several years and has recently changed tablets because of alteration in his appearance. His last CD4 count was 360 cells/mm. The doctor is offered post exposure prophylaxis. Which regimen should she take ?

   A. Ziduvidine and Lamivudine
   B. Ziduvidine and Lamivudine and Indivair
   C. Ziduvidine and Lamivudine and Stavudine
   D. Ziduvidine and Lamivudine and Abacavir

7. Gram -ve bacteria stain during gram staining____________?

   A. Blue color
   B. Red color
   C. Green
   D. Colorless

8. Leprosy bacilli are transmitted from person to person by all except______________?

   A. Dischange from nasal mucosa
   B. From open sore
   C. Through intact skin
   D. Through breast milk

9. Which of the following penicillins has the best gram negative spectrum ?

   A. Methicillin
   B. Ampicillin
   C. Penicillin V
   D. Cefixime

10. Component of tubercle bacilli which produce granuloma is_____________?

    A. Surface glycolipids
    B. Sulfatide
    C. Hetero polysaccharide
    D. Sulfadase