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
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
Organism most frequently associated with urinary tract infections is_________________?
(A) Neisseria gonorrhea
(B) Escherichia coli
(C) T-strain mycoplasma
(D) Streptococcus fecalis
Growth factor needed for Salmonella_________________?
(A) Tryptophan
(B) Niacin
(C) B-12
(D) Citrate
Subacute bacterial endocarditis is caused by_____________?
(A) Streptococcus viridans
(B) Haemolytic streptococci
(C) Staphylococcus aureus
(D) Nisseria
The diagnosis of gonorrhea is established by_____________?
(A) Compliment fixation tests
(B) Pili agglutination tests
(C) Haemagglutination tests
(D) All of the above tests
Which of the following are non-spore forming anaerobic bacteria that asume major significance in disease processes________________?
(A) Bacteroides fragilis
(B) Fusobacterium nucleatum
(C) Peptostreptococcus anaerobius
(D) Actinomyces Israeli
(D) All of the above
What is the transport medium for cholera___________________?
(A) Tellurite Medium
(B) Cary Blair Medium
(C) Venkatraman – Ramakrishnan Medium
(D) B & C
Which organism causes prosthetic valve endocarditis within 60 days of surgery________________?
(A) Streptococcus Viridans
(B) Staphylococcus epidermis
(C) Staphylococcus aureus
(D) Fungus