Posted: July 24th, 2017

Gram-positive cocci in clusters are seen in purulent fluid drained from a skin abscess. Rapid identification of these organisms will be facilitated by evaluation of the clumping of latex beads coated with which of the following?

Gram-positive cocci in clusters are seen in
purulent fluid drained from a skin abscess. Rapid
identification of these organisms will be
facilitated by evaluation of the clumping of latex
beads coated with which of the following?
(A) IgG and fibrinogen
(B) Interleukin-1 (IL-1) and factor VIII
(antihemophilic factor)
(C) Properdin and platelet factor 3
(D) Prothrombin and C3b
(E) Transferrin and plasminogen