Antigen used in Weil-Felix reaction______________? A. E.coli B. HaemophilusC. Proteus D. Staphylococcus

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. VancomycinB. Imipenem C. Teichoplanin D. Linezolid

Culture medium used for Bordatella pertussis is_________________? A. Wilson Blair medium B. Bile brothC. Bordet Gengou medium D. Robertson cooked meat medium

Pasteur developed the vaccine for_______________? A. Anthrax B. Rabies C. CholeraD. All of the above

Teichoic acid is present in cell walls of_________________? A. Gram positive bacteria B. Gram negative bacteria C. Yeast D. Protozoa

Pathogenic treponemas can be maintained in________________? A. Tissue culture B. Chick embryos C. Artificial mediaD. Rabbit testis only

Borelia vincenti is a______________? A. Mycoplasma B. MycobacteriaC. Spirochaete D. Chlamydia

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…

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.…

Pneumococus can be differentiated from streptococcus by________________? A. Type of hemolysis B. Gram staining C. Growth characteristicsD. Bile solubility