Bacteria

Question 1

What are gram negative rods?

Answer 1

E. Coli
Shigellae (causes Shigellosis - a severe intestinal infection)
Salmonella (food poisoning)
Klebsiella spp. Eg. K. Pneumoniae
Serratia spp. (UTI, wound infections, pneumonia)
Proteus (UTIs)
Helicobacter Pylori (stomach ulcers)

Question 2

What are gram positive cocci?

Answer 2

Staphylococcus (skin infections)

• S. aureus
• S. epidermis

Streptococcus
- S. pneumoniae (pneumonia)
- S. pyogenes
> tonsillitis, pharyngitis (inflamation of pharynx)
> sinusitis, otitis
> arthritis, bone infections
> skin infections eg. cellulitis, impetigo

Question 3

What is Pseudomonas aeruginosa?

Answer 3

• gram negative
• causes disease in immunocompromised individuals
• resistant to antibiotics
• one of the most common pathogens involved in hospital infections

Question 4

Which gram negative rods have inducible resistance to penicillins and cephalosporins?

Answer 4

ESCAPPMs!
Enterobacter spp.
Serratia spp.
Citrobacter freundii
Acinetobacter spp.
Proteus spp.
Providencia spp.
Morganella morganii