10 Questions
Which group of bacteria are rapidly ferment lactose and may be opportunistic pathogens?
Coliforms
Where are coliforms commonly found?
In soil, on plants, and on decaying vegetation
Which genus includes the most common and important coliform, often used in identifying particular strains with O, H, K antigens?
Escherichia
What do virulent strains of Escherichia coli possess?
Virulence plasmids with genes for fimbriae, adhesins, exotoxins
What does the presence of coliforms in water indicate?
Impure water and poor sewage treatment
What is the main output path from the cerebellar cortex?
Purkinje neurons
Which cells receive ipsilateral inputs from most structures in the brainstem and contralateral inputs from the cortex?
Granule cells
What type of neurons contact the dendrites of several granule cells and favor coordinated activity in the granular layer?
Golgi interneurons
Which cells have an enormous spread of dendritic ramifications that extends in the molecular layer on a plane perpendicular to the parallel fibres?
Purkinje neurons
Where do the axons of granule cells split in a T shape, generating parallel fibres?
Molecular layer
Test your knowledge about pathogenic, gram-negative, facultatively anaerobic bacilli, focusing on the Enterobacteriaceae family and its classification into coliforms, noncoliform opportunists, and true pathogens.
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