<prompt> True statement regarding non-coagulase staphylococci is:They are non-pathogenicThey commonly infect indwelling prosthesisThey may cause scarlet feverThey are separated by gram staining  <response>: Ans. is b i.e., They commonly infect indwelling prosthesisRef: Ananthanarayan, 9the, p. 206 and 8the, p. 202; Harrison, 18the, p. 1167 and 17the, p. 878 Coagulase negative staphylococci staph epidermidis has a predilection for growth on the implanted foreign bodies such as artificial heart valves, shunts, intravascular catheters and prosthetic appliances leading to bacteremia. 