Which of the following have the capability to produce extra cellular polysaccharides______________?
(A) Strep. Mutans
(B) Strep. pyogenes
(C) Peptostreptococcus
(D) Enterococcus
Tuberculin test screens for_____________?
(A) Hemoral immunity
(B) Cell mediated immunity
(C) Complement function
(D) Phagocyte dysfunction
Granules in the corynebacterium diphtheria are called by following names, except______________?
(A) Metachromatic granules
(B) Refractile granules
(C) Babes Ernst granules
(D) Voluntin granules
Culture medium for corynebacterium diphtheria______________?
(A) Loefflers serum slope
(B) Mc Conkey
(C) Saborauds agar
(D) Lowenstein Jensen Medium
Virulence of Gonococcus is due to___________________?
(A) Pili
(B) Cell Membrane
(C) Its intracellular location
(D) Cytolytic enzymes
Which regards to temperature requirement, most pathogenic bacteria are_____________?
(A) Psychrophiles
(B) Mesophiles
(C) Cryophiles
(D) Thermophiles
A protoplast is best characterized as a bacterial cell______________?
(A) with a cell wall but free of a capsule
(B) containing a cell wall and a capsule
(C) Free of a cell wall and a capsule
(D) Uniquely sensitive to penicillin
Causative agents of Vincent’s angina_____________?
(A) Borrelia vincenti and fusobacterium fusiformis
(B) Borrelia recurrents and bateroides
(C) Borrelia burgoloferi and lactobacillus
(D) Leptospira and Treponema pallidum
Group A B-hemolytic streptococcal infection of the pharynx may be followed in some by_____________?
(A) Diphtheria
(B) Typhoid fever
(C) Rheumatic fever
(D) Syphilis