BIOD 171 LAB 3 EXAM
1. List the 4 main steps used to prepare a DRY mount and indicate which step is optional.
1 – Clean slide
2 – Circle area on slide for specimen placement (OPTIONAL)3
– Apply organism to slide
4 – Air dry at room temperature
2. Why is it important to first clean your slide before applying your sample?
You must first remove any unwanted contaminants from the slide otherwise it may be difficult
to distinguish between the pathogen of interest and a contaminant.
3. When performing a wet mount technique, what is the advantage of using a wax or hydrophobic
pen?
1. List the 4 main steps used to prepare a DRY mount and indicate which step is optional.
1 – Clean slide
2 – Circle area on slide for specimen placement (OPTIONAL)3
– Apply organism to slide
4 – Air dry at room temperature
2. Why is it important to first clean your slide before applying your sample?
You must first remove any unwanted contaminants from the slide otherwise it may be difficult
to distinguish between the pathogen of interest and a contaminant.
3. When performing a wet mount technique, what is the advantage of using a wax or hydrophobic
pen?
