<prompt> Regarding Proteus, which is true?Musty odourMost common infection caused is respiratory tract infectionPPA test positiveEsthiomene is a complication in females  <response>: Proteus shows PPA test positive. Proteus: Odor: Putrid fishy or seminal odour. Most common clinical manifestation-UTI Urinary tract infection. Phenylalanine Deaminase test phenylpyruvic acid PPA test: Tests the ability of an organism to produce enzyme deaminase. PPA test ve - conves phenylalanine to phenylpyruvic acid. Used to differentiate Proteus, Morganella and Providencia Positive from other members of Enterobacteriaceae PPA negative. Esthiomene is a genital elephantiasis- seen in Lymphogranuloma venereumcaused by Chlamydia trachomatis serovars L1, L2, or L3. 