Cells and Microscopes

When would you use the diaphragm?

• When you wanted to move the stage
• When you wanted to adjust the light
• When you wanted to put the microscope away
• When you sneeze

You can find total magnification by which of the following methods?

• ocular PLUS objective
• ocular TIMES objective
• ocular MINUS objective
• ocular DIVIDED BY objective

Find the total magnification: 
Eyepiece = 10X 
Objective lens = 55X  

• 10x
• 55x
• 65x
• 550x

What is number 15?

• light source
• base
• coarse adjustment
• fine adjustment

What is number 17?

• body tube
• arm/neck
• stage
• base

You should always carry the microscope by the

• arm and base
• arm and body tube
• arm only
• the objectives

When looking at a specimen on your slide, you should always start with the

• low objective lens
• medium objective lens
• high objective lens
• super extra high power lens

The__________ sharpens the image under high magnification.

• the diaphragm
• fine adjustment knob
• coarse adjustment knob
• the ocular

The lens you look through, closest to the top of the microscope, is called the

• objective lens
• ocular lens
• diaphragm
• light source

Never use this when on high power.

• Fine adjustment
• Diaphragm
• Course adjustment
• Stage clips