Podcast
Questions and Answers
Which staining method is suitable for acid fast stain, safranin, and chromotrope stain?
Which staining method is suitable for acid fast stain, safranin, and chromotrope stain?
- Merthiolateiodine-formaldehyde solution
- Fixative containing iodine
- MIF
- PVA (correct)
Why is PVA less suitable for concentration procedures?
Why is PVA less suitable for concentration procedures?
- Preserved samples do not remain stable for long
- It interferes with other stains
- It contains mercuric chloride
- It is difficult to prepare in the laboratory (correct)
Which fixative can interfere with polymerase chain reaction (PCR) if used for an extended fixation time?
Which fixative can interfere with polymerase chain reaction (PCR) if used for an extended fixation time?
- Merthiolateiodine-formaldehyde solution
- Fixative containing iodine (correct)
- MIF
- PVA
What does iodine cause in relation to protozoa?
What does iodine cause in relation to protozoa?
Which staining method interferes with other stains and fluorescence?
Which staining method interferes with other stains and fluorescence?
Why is PVA considered good for the preservation of protozoan trophozoites and cysts?
Why is PVA considered good for the preservation of protozoan trophozoites and cysts?
Which fixative is compatible with immunoassay kits for Giardia lamblia and Cryptosporodium spp?
Which fixative is compatible with immunoassay kits for Giardia lamblia and Cryptosporodium spp?
Why is MIF suitable for field surveys?
Why is MIF suitable for field surveys?
What issue arises when using a fixative that interferes with PCR after an extended fixation time?
What issue arises when using a fixative that interferes with PCR after an extended fixation time?
Why is iodine not suitable for some permanent stained smears such as trichrome?
Why is iodine not suitable for some permanent stained smears such as trichrome?