When observing a specimen using the high power or pol immersion objective one should focus with the ______ ________ knob only.
Fine Adjustment
Substance that is placed on the slide when focusing with the 100x objective
Immersion Oil
The part of the mechanical stage apparatus that holds the slide in position
Stage clips
The part of the microscope that connects the base with the ocular, revolving nosepiece and the stage
Arm
The objective with a magnification of 10x
Low Power
As one oncreases the magnification the working distance gets ___________
Smaller
The cylinders located on the revolving nosepiece that contain lenses of various magnifications are called ___________
Objectives
The part of the microscope that holds the slide in position and enables one to move the slide around the stage.
Mechanical Stage
The ____________ ____________ knob is used first when focusing with the scanning or low power objectives
Coarse Adjustment
The foundation of the microscope
Base
A "comma" shaped bacterium
Vibrio
Position in which the stage should be placed before storing the microscope
Down
If the specimen is in focus using one objective and requires very little adjustment when switching to another objective, the microscope is discribed as being ________
Parafocal
The objective with a magnification of 100x
Oil Immersion
The part of the microscope that is also called the eyepiece
Ocular
The highly resistant cell structures that may be observed as clear structures inside some bacteria
Endospores
The part of the microscope on which the slide is placed for observation
Stage
before storage the _________ objective should be placed in using position
Scanning
The space occuring between the end of the objective and the surface of the slide is called the __________ ___________
Working Distance
Immersion oil prevents the ________ of light
refraction
The area on the slide observed when looking through the cular is called the _________ _________
Field of View
The ocular has a magnification of ____
10x
_________ ______________ is calculated by multiplying the power of the ocular by the power of the objective in use
Total magnification
Before increasing the magnification, the object to be viewed should be placed in the ________ of the field
Center
Type of microscope that untilizes visible light to illuminate the specimen
Light
The microscope should always be carried with __________
2 hands
Objective with a magnification of 40x
High Power
If the 10x objective is in use the total magnification is _____x
100x
The low power objective has a magnification of ___x
10x
A long filamentous appendage see on some bacteria
Flagellum
the high power objective has a magnification of ___x
40x
The lenses of the microscope should be cleaned with ___________ only
Lens paper
A round or spherical shaped bacterium
Coccus
Curved or helical shaped bactera
Spirals
An elongated or rod shaped bacterium
Bacillus
A _________ _________ consists of the sepcimen suspended in fluid beneath a coverslip
Wet Mount
The objectives are located on the revolving __________
Nose piece
The part of the microscope that concentrates the light on the specimen
Condenser
The scanning objective has a magnification of _____x
4x
The total magnififcation when using the scanning objective is _____x
40x
Type of microscope that utilizes 2 sets of magnifying lenses
Compound
A thick, colorless, gelatinous layer occuring around the cell wall of some bacteria
Capsule
The part of the microscope that regulates the intensity of light on the specimen
Iris diaphragm
Bacteria are measured in units called _________
Micrometers
Type of microscope that utilizes electrons to illuminate the specimen being viewed
Electron
Type of microscope that illuminates the specimen in a blackened field