Microbiology

Question 1

Pneumonia, abbatoir worker, whats the pathogen

Answer 1

Coxiella burnetti

Question 2

Pneumonia, young person, erythema multiforme, haemolysis, what pathogen

Answer 2

Mycoplasma pneumoniae

Question 3

Drinking contaminated water/food, very watery diarreah, severe dehydration, pathogen?

Answer 3

Vibrio cholera,

inc cAMP>protein kinase A>inc CFTR> inc cl into lumen> na and h20 follow

Question 4

Haem influenza g+ or g-

Treatment

Answer 4

G+
Amox
Or
Doxcy if penicillin allergic

Question 5

Run down of staph A

Answer 5

G+
Aerobic
Coagulese (+) therefore golden
Treats with flucoxacillin

Question 6

S. Epidermis run down

Answer 6

Aerobic cocci cluster
G+
Coagulese test negative

Question 7

Group a haemolysis organisms

What colours is thus haemolysis and what type

Answer 7

Green
Partial

Strep pneumonia (g+)

Strep viridans g+ (benzylpenicillin + gentamicin)

Question 8

Beta haemolysis
What colour
What type
What organisms

Answer 8

Golden
Complete haemolysis
Group a
Group b

Question 9

No haemolysis organisms

Answer 9

Enterococcus g+
Gut commensal
Treat with vancomycin