MSRA infectious disease microbiology Flashcards
Chronic infection with Hep B will produce what on hepatitis screen?
Anti-HBc IgG positive
HBsAG positive
AntiHBC-IGM negative
Anti HBS negative
what is the difference in markers between acute and chronic hepatitis?
Acute - anti IgM +ve NOT IgG,negative for IgG
HBsAg positive as in chronic hepatitis
Immunity following previous infection with Hepatitis would show what?
anti- HBc IgG +ve
Anti HBs - +ve
HBsAg -ve (unlike acute and chronic)
vaccination from Hep B would show what?
anti-HBs +ve
which vaccines are considered ‘live attenuated vaccines’?
BCG
MMR
Oral polio
Yellow fever
oral typhoid
clarithromycin is first line in campylobacter - true or false
True
what antibiotic is used in bacterial vaginosis
metronidazole
what is the antibiotic of choice in prostatitis?
ciprofloxacin
egg shell calcification on chest x ray is associated with what condition
silicosis
what test should be done if suspected phaeochromoytoma?
urinary metanephrines
BCG is a live attenuated vaccine - true or false
True
MMR is a live attenuated vaccine - true or false
True
influenza IM is a live attenuated vaccine - true or false
False
rabies is a live attenuated vaccine - true or false
False
Yellow fever is a live attenuated vaccine - true or false
True
what organism can commonly cause pneumonia where a communal water supply is involved?
legionella pneumonia
which type of dementia is associated with parkinson ian symptoms
Levy body dementia
which type of dementia commonly causes a stepwise deterioration in cognitive function?
vascular dementia
what drug treatment should be used in life threatening c diff?
Oral vancomycin + intravenous metronidazole
if C diff does not respond to first line vancomycin - what is second line?
Oral fixacomicin
what is the drug treatment for latent TB?
- 3 months of isoniazid (with pyridoxine) and rifampicin OR
- 6 months of isoniazid (with pyridoxine)
what is the recommended treatment for toxoplasmosis in immunocompetent patients?
No treatment
*if immunocompromised or severe - pyrimethamine + sulphadiazine
what organism causes breast abscesses in non lactating women?
Group B streptococcus, Klebsiella pneumonia
which drug used for malaria prophylaxis is taken weekly and should be avoided in pts with depression?
Mefloquine
which organism causes Croup?
Parainfluenza viruses
which virus causes kaposi’s sarcoma?
human herpes virus 8
