microbiology an introduction 13th edition test bank

A Gram-stained smear from a wound infection revealed Gram-positive cocci arranged in clusters. The bacteria were catalase-positive and coagulase-negative. What is the most likely causative agent?

A Gram-stained smear from a urethral discharge revealed Gram-negative diplococci. The patient presented with dysuria and purulent discharge. What is the likely causative agent?

As per their chemical structure the endotoxins are:

A 70-year-old man was admitted to the hospital after suffering extensive third-degree burns. Three days later he spiked a fever and there was pus on the dressing that had blue-green colour. Gram stain of the pus revealed gram-negative rods. The most possible cause of these findings is:

Which bacteria are known to cause food poisoning?