Microscope Usage and Techniques

How should a microscope be carried when moving it?

• With one hand, holding the arm.

• With two hands, one on the base and one on the arm.

• By dragging it across the table.

• By holding only the oculars.

When placing a slide on the microscope stage, how should the stage clip be used?

• It should sit directly on top of the slide.

• It should be swung open and the slide placed underneath, using pressure to hold it.

• It should be removed entirely before placing the slide.

• It should be used to push the slide into place.

What is the recommended practice when starting to view a sample under a microscope?

• Always begin with the highest magnification objective.

• Start with the least powerful objective.

• Select any objective at random.

• Only use the 100X objective for all samples.

Which focus knob should you always start with?

• Course knob

• Fine knob

• Either one is fine!

True or false: Before switching to a higher power objective lens, you should make sure the specimen is perfectly centered and focused on the lower power lens.

• true

• false

If a microscope's objective lens has a magnification of 40X and its ocular lens has a magnification of 10X, what is the total magnification of the sample?

• 50X

• 4X

• 400X

• 100X

What is the problem with letting the objective lens hititng the slide?