
Preguntas Microbicho
Quiz
•
Health Sciences
•
University
•
Practice Problem
•
Easy
Jeremy Cajas
Used 6+ times
FREE Resource
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75 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué característica distingue a los estreptococos del grupo B (S. agalactiae)?
Producen caries
Se asocian a meningitis neonatal
Causan escarlatina
Producen fiebre reumática
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Streptococcus viridans se asocia principalmente a:
Caries y endocarditis subaguda
Meningitis
Neumonía
Faringitis purulenta
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué caracteriza a la β-hemólisis en agar sangre?
Lisis incompleta con color verde
No hay alteración visible del medio
Destrucción completa de eritrocitos y aclaramiento del medio
Producción de cápsula polisacárida
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los estreptococos del grupo viridans se caracterizan por ser generalmente:
β-hemolíticos
No hemolíticos o α-hemolíticos
Altamente capsulados
Productores de toxinas hemolíticas potentes
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál de las siguientes características permite diferenciar a los estafilococos de los estreptococos?
Los estafilococos son gramnegativos
Los estafilococos son catalasa positivos
Los estafilococos forman esporas
Los estafilococos son móviles
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El Staphylococcus aureus se asocia comúnmente con colonias de qué color en agar?
Blanco puro
Azul grisáceo
Amarillo dorado
Rojo intenso
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué toxina de S. aureus causa intoxicación alimentaria aguda?
Toxina exfoliativa
Enterotoxinas
TSST-1
Hemolisina delta
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