Invasive test for shigella is -
Ans. is 'd' i.e., Rabbit ileal loop . Enterotoxin (SHET-1 and-2) cause net fluid secretion in ligated ileal loop in vivo and alter electrolyte transpo by gut segments in vitro. . Sereny test is a noninvasive test used for shigella and ETEC --> instillation of a suspension of freshly isolated ETEC or shigella into the eyes of guinea pigs leads to mucopurolent conjuctivitis and severe keratitis.
Dick's test
Sereny's test
Schick's test
Rabbit ileal loop
Rabbit ileal loop