exam 3 pathogen id part 1 stains Flashcards
1
Q
Microbial detection in the lab
A
staining fluorescent antibody antigen detection nucleic acid detection (rapid diagnostics) culture
2
Q
Gram Stain
A
- used for bacteria only
- most commonly used micro lab test for organism ID
- Positive: purple/blue
- Negative: pink/red
3
Q
gram positive vs gram negative take up of safarin
A
- only gram negative…gives it the pink color
4
Q
gram stain
A
- can be performed on any body fluid or tissue
- gain information on: cell wall form, shape, quantity, other cells in sample –> RBC, WBC, eosinophils, inclusion bodies
- success based on quality of sample (handled correctly, minimal contaminants