1Who invented the microscope?
Anton Van Leeuwenhoek
2What is microscopy used for?
Visualizing structures too small for the naked eye
3What are the two general categories of microscopes?
Light microscope and Electron microscope
4What does a light microscope use to illuminate the object?
Beams of light
5What does a bright-field microscope show?
Dark specimen on a bright background
6What is a dark-field microscope used for?
Viewing unstained, thin living cells
7What is the function of a phase-contrast microscope?
Creating contrast between cell and water
8What is a fluorescent microscope used for?
Identifying pathogens and locating specific proteins
9What illuminates the object in an electron microscope?
Beams of electrons
10Where do you look into a microscope?
Ocular or eyepiece
11What is the draw tube?
Part where the eyepiece is inserted
12What does the body tube do?
Holds eyepiece and objectives at proper distance
13What does the coarse adjustment knob do?
Moves the body tube up or down for focusing
14What does the fine adjustment knob do?
Brings specimen to sharp focus slightly
15What does the dust shield protect?
The objectives from dust
16What is the revolving nosepiece?
Holds and rotates objectives
17What are objectives in a microscope?
Tubes with lenses of different magnifications
18What is the magnification of a scanner objective?
4X
19What is the magnification of LPO?
10X
20What is the magnification of HPO?
40X
21What is the magnification of OIO?
100X
22What is the stage of a microscope?
Flat area where slide is placed
23What is the stage aperture?
Opening in stage that lets in light
24What are stage clips for?
Holding the slide in place
25What is the arm of a microscope?
Supports body tube and used to carry microscope
26What does the mirror do?
Directs light to illuminate specimen
27What is the pillar of a microscope?
Supports and connects the base
28What does the diaphragm do?
Regulates amount of light passing through specimen
29What is the inclination joint?
Allows microscope to be tilted
30What is the base of a microscope?
Bottom part supporting the structure
31How do you calculate total magnification?
Eyepiece magnification × Objective magnification
32What is the total magnification of OIO with eyepiece?
1000X