Flashcards in Laboratory diagnosis of infectious diseases Deck (16)
Give examples of endo-parasites?
protozoa and helminths
What are the methods of lab diagnosis of infecitous disease?
microscopy; culture-based; serological; molecular and rapid point of care testing
What is group 1 hazard group?
unlikley to cause human disease
What is group 3 hzard group?
can cause severe human disease; may be a serious harzard to employees, may spread to the community but there is usually effective prophylaxis or treatment available
What 2 dyes are found in the Romanowsky stain?
cationic dye-azure-bind acid nuclei giving blue/purple; anionic-eosin which binds cytoplasm giving red
What is the india-ink stain used for?
What is the gomori-grocott stain used for?
What is chocolate agar?
heated blood to releases haem
What is the conventional method of bacterial identification?
culture; gram stain; catalase and agglutination; oxidase tests
What is the current method of bacterial identification?
mass spectometry: MALDI-TOF
What is AST?
antimicrobial susceptibility testing
What are the methods of AST?
disc diffusion and also minial inhibitory concentration
What technique is used for serology testing?
Give an example of a point-of care testing method?
How does immunochromatography work?
a sample is dripped onto a test strip which then moves by capillary action and the captured by a lablled antibody which then is captured by an anti-influenza antibody forming a line