Examen Practica 7 Cocos y bacilos gram positivos
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Biology
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Granada Daniel
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Coco gram positivo catalasa positivo, poco exigente en nutrientes
Corynebacterium
Staphylococcus
Streptococcus
Candida
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Prueba para la identificación de Rhodococcus equi
Inhibición de la hemólisis
Hemólisinas solubles
CAMP (potencialización de la hemolisis)
Oxidasa
Catalasa
Answer explanation
La prueba de CAMP se basa en la capacidad de ciertas bacterias para sintetizar hemolisinas con efecto sinérgico, al inocularlas juntas generan una hemólisis completa
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Bacilo delgado Gram positivo, catalasa negativo, oxidasa negativo y produce H2S en TSI
Bacillus
Corynebacterium
Erysipelothrix
Rhodococcus
Answer explanation
TSI para evidenciar
la producción de ácido sulfhídrico y su precipitación,
que se describe en forma de
escobillón.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Staphylococcus se pueden subdividir las especies del género en dos grupos principales debido a la prueba de _________ dando resultados positivo y negativo
Oxidasa
Coagulasa
KOH
Catalasa
Answer explanation
La
producción de la enzima coagulasa permite subdividir a las especies de este género en dos grupos principales:
patógenos primarias y patógenos oportunistas.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cocos gram positivos, catalasa negativos, exigentes en nutrientes.
Staphylococcus
Streptococcus
Candida
Corynebacterium
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Especie del género Streptococcus que posee cápsula
Streptococcus pyogenes
Streptococcus agalactiae
Streptococcus bovis
Streptococcus canis
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bacilos rectos gram positivos, en agrupación empalizada, parcialmente ácido alcohol resitentes
Bacillus
Streptococcus
Erysipelothrix
Corynebacterium
Answer explanation
Estos microorganismos forman agrupaciones de bacilos paralelos denominados “en empalizada”, que al fragmentarse dan lugar a agrupaciones angulares que se describen como “letras chinas”
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