Give a safety measure you will practice to prevent transmission of intestinal parasites, when working with human faecal matter in the lab.

What is the solution used to prepare a direct wet mount of a faecal smear?

Name a solution used as a temporary stain for a direct faecal wet smear. What is its purpose?

What are the advantages and limitations of the direct wet mount technique?

What is the basis of the floatation and sedimentation techniques?

Compare between floatation and sedimentation techniques. Which one would you recommend as a routine technique and why?

Which solution is used to stain blood smears?

Compare thin and thick blood smear techniques.

Give a safety measure you will practice to prevent transmission of blood-borne parasites, when working with human blood in the lab.

When looking at a faecal smear under x40 magnification, you observe an egg that measures 40 ocular micrometer divisions. If one ocular micrometer division at x40 objective is equal to 10 micro meters, calculate the actual size of the egg in micro meters?