<prompt> Which of the following is associated with gas formation in sub cutaneous tissues?ClostridiumBorreliaStaphylococcusStreptococcus  <response>: Ans: a ClostridiumClostridium perfringens is associated with gas gangrene or myonecrosis. These patients have bullous lesions and crepitations of the skin.Staphylococcus can produce subcutaneous emphysema only after the rupture of a pneumatocele In Staph, pneumonia 