Which gram-negative coccobacilli can appear as gram-positive cocci in smears made from blood culture bottles?
A) Pseudomonas putida
B) Acinetobacter spp.
C) Haemophilus
D) Alcaligenes spp.

Question

Quizplus · Accepted Answer

Acinetobacter spp. can appear as gram-positive cocci due to cell wall alterations or clumping of cells in blood cultures, leading to misidentification as staphylococci or streptococci. The other options listed do not typically present as gram-positive cocci.

Which Gram-Negative Coccobacilli Can Appear as Gram-Positive Cocci in Smears