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Streptococcus iniae: Quiz


Question 1: [15] The first recognized cases of human infection occurred in Texas in 1991 and in ________ in 1994, but the sources of infection were not determined.
TorontoOttawaHamilton, OntarioOntario

Question 2: Enrofloxacin, a ________ antibiotic, has been used to great effect in hybrid striped bass (Morone chrysops × M. saxatilis), although evidence suggested the development of a resistant strain.

Question 3: Infections in fish manifest as meningoencephalitis, skin lesions, and ________.
Shock (circulatory)SepsisAcute liver failureAcute respiratory distress syndrome

Question 4: Streptococcus iniae is a species of Gram-positive, sphere-shaped bacterium belonging to the genus ________.

Question 5: [14][26] A study of isolates submitted to the ________ between 2000 and 2004 found all to be sensitive to beta-lactams, macrolides, quinolones, and vancomycin.
Centers for Disease Control and PreventionEuropean Centre for Disease Prevention and ControlChinese Center for Disease Control and PreventionBiological hazard

Question 6: The causative organism was recognized to be a new species of ________, and was given the name Streptococcus iniae in 1976.

Question 7: In tilapia, S. iniae causes meningoencephalitis, with symptoms including ________, dorsal rigidity, and erratic swimming behavior; death follows in a matter of days.
ICD-10 Chapter XVIII: Symptoms, signs and abnormal clinical and laboratory findingsMalaisePneumoniaFatigue (medical)

Question 8: The two known serotypes can be distinguished biochemically by differences in ________ activity.
EnzymeEnzyme inhibitorProteinCofactor (biochemistry)

Question 9: [26][14][37] In rainbow trout, it is typically associated with ________ and central nervous system damage.
Acute liver failureSepsisShock (circulatory)Acute respiratory distress syndrome

Question 10: [14][15][29] ________ (Cyprinus carpio), channel catfish (Ictalurus punctatus), and goldfish (Carassius auratus) appear to be resistant.
Atlantic salmonSillaginidaeGrass CarpCommon carp


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