True/False from Learning Guide Flashcards
(24 cards)
what is reiter’s syndrome
a post dysenteric illness causing urethritis, conjunctivitis and arthritis
complications from shigella
HUS, seizures and reiter’s syndrome
what type of diarrhoea does shigella cause
dysentry
what types of infection are itraconazole, nystatin and amphotericin B useful in
fungal infections
3 complications of VZV
shingles, neuraliga and pneumonia
true/false - VZV is not sensitive to existing antivirals
false - can be treated with a course of aciclovir
what is pyrexia of unknown origin defined as
at least 38.3 for 3+ weeks occuring frequently without explanation
3 conditions that may be cause PUO
miliary tuberculosis, cranial arteritis and lymphoma
true/false - thrombocytopenia is seen in plasmodium vivax malaria
true
true/false - the acute infection HIV is associated with a rash and diarrhoea
true - also fever, lymphadenopathy, meningitis and neuropathy
how will HIV antibody/antigen testing vary through the acute infection
early - antibody -ve and antigen +ve
late - antibody +ve and antigen -ve
what type of lymphocytes are targetted by HIV
CD4+ - t helper, macrophages, dendritic cells and monocytes
which cells migrate to lymph nodes and cause acute infection
dendritic cells
two types of co-receptor in HIV
CCR5 and CXCR4
how long does campylobacter incubate for
~7 days
important complications from campylobacter
guillain barre syndrome and reactive arthritis
what 4 bacteria can be cultured from stool
campylobacter, salmonella, E.coli O157 and shigella
how is c. diff diagnosed
PCR of endotoxin from stool sample
true/false - in campylobacter 40% of blood cultures are +ve
false - 10% so don’t blood culture to diagnose campylobacter enteritis
antibiotic for c. diff
metronidazole
how is lyme disease diagnosed
serological test
what does borrelia burgdorferi cause
lyme disease
true/false - lyme disease can cause cranial nerve palsies
true
true/false - lyme disease responds to beta-lactam antibiotics
true
