QuestionSBA
QuestionChoice
Pink cocci represent gram-negative cocci, such as *Neisseria meningitides*.
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d
Pink-coloured cocci
QuestionChoice
This describes gram-positive Staphylococcus such as *Staph. aureus*.
10027932
b
Purple-coloured clusters of cocci
QuestionChoice
Purple rods represent gram-positive bacilli, such as *Clostridium difficile*.
10027935
e
Purple-coloured rods
QuestionChoice
Pink on gram staining means that the bacteria are gram-negative. Therefore, pink rods represent gram-negative bacilli such as *Treponema pallidum* which causes syphilis.
10027933
c
Pink-coloured rods
QuestionChoice
*Streptococcus pneumonia* is an example of a gram-positive cocci, so will appear purple. Streptococci means that the cocci are arranged in chains.
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a
Purple-coloured chains of cocci
Concept
Chapter
2693
6019
Gram-positive cocci
Topic
148
Microbiology
17984
A 77-year-old woman is admitted with suspected community-acquired pneumonia. A sputum culture is collected. Given that the most likely cause of her community-acquired pneumonia is *Streptococcus pneumoniae*

what will be seen on the gram-staining slide?
a