Podcast
Questions and Answers
What is the characteristic shape of Trichostrongyles eggs?
What is the characteristic shape of Trichostrongyles eggs?
- Barrel shaped with bipolar plugs
- Round and rough pitted outer shell
- Oval and thin shelled (correct)
- Elongated and tapering ends
Which parasite has eggs with a smooth brown shell wall surface and bipolar plugs?
Which parasite has eggs with a smooth brown shell wall surface and bipolar plugs?
- Trichuris vulpis (correct)
- Dirofilaria immitis
- Ancylostoma spp.
- Strongyloides stercoralis
What is the size range of Ancylostoma spp. eggs?
What is the size range of Ancylostoma spp. eggs?
- 72–90 × 32–40 μm
- 295–325 × 5–7.5 μm
- 65–90 × 34–50 μm
- 52–79 × 28–58 μm (correct)
Which parasite has microfilariae in the blood with gently tapered heads and relatively straight tails?
Which parasite has microfilariae in the blood with gently tapered heads and relatively straight tails?
What is the characteristic feature of Hookworm Ancylostoma spp. larvae?
What is the characteristic feature of Hookworm Ancylostoma spp. larvae?
Which parasite has eggs that are the largest among ruminant trichostrongles?
Which parasite has eggs that are the largest among ruminant trichostrongles?
What can affect the concentration of eggs per gram of faeces?
What can affect the concentration of eggs per gram of faeces?
Why may some eggs not float well in solutions of lower specific gravity?
Why may some eggs not float well in solutions of lower specific gravity?
Which of the following parasites produces many more eggs per day than others?
Which of the following parasites produces many more eggs per day than others?
What can make it difficult to distinguish between eggs of different species?
What can make it difficult to distinguish between eggs of different species?
What is a characteristic of nematodes?
What is a characteristic of nematodes?
What is a characteristic of male nematodes?
What is a characteristic of male nematodes?
What is the purpose of leaving the counting chamber to stand for 5 minutes?
What is the purpose of leaving the counting chamber to stand for 5 minutes?
What is the calculation to determine the number of eggs per gram of faeces?
What is the calculation to determine the number of eggs per gram of faeces?
Why is it important to process only a few samples at a time?
Why is it important to process only a few samples at a time?
What is a factor that can influence the daily output of eggs by fertile female worms?
What is a factor that can influence the daily output of eggs by fertile female worms?
What can affect the recognition or numbers of helminth eggs found in a faecal sample?
What can affect the recognition or numbers of helminth eggs found in a faecal sample?
What is the purpose of examining the subsample of the filtrate under the compound microscope?
What is the purpose of examining the subsample of the filtrate under the compound microscope?
