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Microbiology Lab Investigations 229e499d

In which of the following ways is CLED medium better than McConkey agar for UTI (AIIMS NOV. 2020)

A
It differentiates lactose fermenters from Non-fermenters
B
It prevents proteus swarming
C
Inhibits growth of other commensals
D
It allows staphylococcus and Candida to grow
High-Yield Explanation
CLED ( Cysteine Lactose Electrolyte Deficient Media )- Inhibits growth of other commensals & allows staphylococcus and Candida to grow. It enhaces the growth of dwarf colonies of coliforms d/t presence of cysteine McConkey and CLED both prevent swarming of Proteus and differentiate between LF and NLF. Gram positive organisms usually can't grow in McConkey, it is selective for gram negative organisms.

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