Staphylococcal toxic shock syndrome (SSS syndrome) is due to______________?
(A) Enterotoxin A
(B) Enterotoxin B
(C) Enterotoxin D
(D) Enterotoxin F
Rickettsiae__________________?
(A) Multiply within living cell
(B) Transmitted by arthropod vectors
(C) Respond to tetracycline therapy
(D) All of the above
Opacity around colonies of Clostridium perfringens is due to_________________?
(A) Theta toxin
(B) Lecithinase
(C) Desmolase
(D) Cytokinin
Commonest mycobacterial infection in tropical countries_______________?
(A) M. leprae
(B) M. avium intracellulare
(C) M. tuberculosis
(D) Kansasi
Rapid diagnosis of Tuberculosis is possible with_______________?
(A) Ziel Nelson
(B) Kin Young stain
(C) Auramine-Rhodamine stain
(D) Giemsa stain
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
Streptococcus is classified based on__________________?
(A) M Protein
(B) Cultural characteristics
(C) Bile Solubility
(D) Cell wall carbohydrate
Pneumococus can be differentiated from streptococcus by________________?
(A) Type of hemolysis
(B) Gram staining
(C) Growth characteristics
(D) Bile solubility
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