9. Microscopes

When using a compound light microscope, you should begin viewing a specimen with which objective lens?

When focusing a specimen under a light microscope, you should always start with which objective lens?

The optical microscopes used in physicians' office laboratories usually have __________ objectives.

When using a light microscope, which part is primarily used to adjust the focus of the specimen?

What is the primary function of the revolving nosepiece on a compound light microscope?

One primary advantage of light microscopy over electron microscopy is that:

In microscopy, the microscope field is the ________.

The iris of the optical microscope is:

Which part of the microscope is primarily responsible for focusing light onto the specimen?

Which of the following devices is used to spin a specimen at high speed until it separates into its component parts?

Which of the following cellular structures can typically be observed using light microscopy, but require electron microscopy for detailed visualization?

Which of the following statements about oil immersion in light microscopy is correct?

If you use a compound light microscope, a 2-µm bacterial cell is best seen at which magnification?

When you observe crossed threads under a microscope, what does this allow you to determine?

Which type of microscope is most commonly used for visualizing bacteria in a laboratory setting?