Microbiology

When observing a specimen using the high power or pol immersion objective one should focus with the ______ ________ knob only.

Substance that is placed on the slide when focusing with the 100x objective

The part of the mechanical stage apparatus that holds the slide in position

The part of the microscope that connects the base with the ocular, revolving nosepiece and the stage

The objective with a magnification of 10x

As one oncreases the magnification the working distance gets ___________

The cylinders located on the revolving nosepiece that contain lenses of various magnifications are called ___________

The part of the microscope that holds the slide in position and enables one to move the slide around the stage.

The ____________ ____________ knob is used first when focusing with the scanning or low power objectives

The foundation of the microscope

A "comma" shaped bacterium

Position in which the stage should be placed before storing the microscope

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 ________

The objective with a magnification of 100x

The part of the microscope that is also called the eyepiece

The highly resistant cell structures that may be observed as clear structures inside some bacteria

The part of the microscope on which the slide is placed for observation

before storage the _________ objective should be placed in using position

The space occuring between the end of the objective and the surface of the slide is called the __________ ___________

Immersion oil prevents the ________ of light

The area on the slide observed when looking through the cular is called the _________ _________

The ocular has a magnification of ____

_________ ______________ is calculated by multiplying the power of the ocular by the power of the objective in use

Before increasing the magnification, the object to be viewed should be placed in the ________ of the field

Type of microscope that untilizes visible light to illuminate the specimen

The microscope should always be carried with __________

Objective with a magnification of 40x

If the 10x objective is in use the total magnification is _____x

The low power objective has a magnification of ___x

A long filamentous appendage see on some bacteria

the high power objective has a magnification of ___x

The lenses of the microscope should be cleaned with ___________ only

A round or spherical shaped bacterium

Curved or helical shaped bactera

An elongated or rod shaped bacterium

A _________ _________ consists of the sepcimen suspended in fluid beneath a coverslip

The objectives are located on the revolving __________

The part of the microscope that concentrates the light on the specimen

The scanning objective has a magnification of _____x

The total magnififcation when using the scanning objective is _____x

Type of microscope that utilizes 2 sets of magnifying lenses

A thick, colorless, gelatinous layer occuring around the cell wall of some bacteria

The part of the microscope that regulates the intensity of light on the specimen

Bacteria are measured in units called _________

Type of microscope that utilizes electrons to illuminate the specimen being viewed

Type of microscope that illuminates the specimen in a blackened field