Week 2: Skin and Soft Tissue Infections (1)

Question 1

What methods do we use to identify infections caused by:

Viruses

Parasite and fungal pathogens

(Fungi) as well as bacteria

Answer 1

Viruses: Antigen, nucleic acid detection
Parasite/fungal: morphology, antigen, nucleic acid analysis
Fungi/bacteria: MALDI TOF mass spectometry

Question 2

What are the differences between gram positive and negative bacteria?

Answer 2

+: Thick peptidoglycan cell wall, more resilient, porous for antibiotics

-: Lipid outer membrane, less responsive to antibiotics

Question 3

Name 3 gram positive cocci

Answer 3

Staph
Strep
Enterococci

Question 4

Name 3 gram positive rods

Answer 4

Bacillus
Clostridium
Listeria

Question 5

Name 1 gram negative cocci

Answer 5

Neisseria

Question 6

Name 4 gram negative rods

Answer 6

H. Influenzae
Pseudomonas
Salmonella
Klebsiella