The characteristic and lab diagnostic feature of Gardnerella vaginalis is :

All of the following organisms are sexually transmitted except :

Purulent discharge, offensive with yellow-green color and PH>5 :

Gram negative coccbacilli, faculative anaerobic, fastidious organism that causes chancroid :

All of the following are features of chlamydia trachomatis, except :

Chlamydia trachomatis :

Strep. pneumoniae :

A thin, motile spiral organism that move without flagella :

H. ducreyi :

Cause granuloma inguinale (donovanosis) :

Infective stage of T. vaginalis :

Non-motile, non-capsulate ,gram negative with (+) oxidase :

Nesseria gonorrhea can be cultured with :

Gram negative bacteria include the following, except :

Non motile, gram negative, faculative anaerobes intracellular and extracellular :

Conducted when a sterile specimen is required and usually done in infants :

KIA Y/Y , citrate negative, gas production positive and indole positive :

Growth may not occur on macconkey agar with :

In blood agar it produces large, flat, spreading colonies which are often haemolytic and pigment-producing :