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Microbiology Lab Quiz 1 Questions and Answers 100% Pass $12.49
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Microbiology Lab Quiz 1 Questions and Answers 100% Pass
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  • Microbiology Lab

Microbiology Lab Quiz 1 Questions and Answers 100% Pass Proper use of the microscope - all specimens must be viewed under cover glass, focus with scanning objectives first, use course adjustment knob, once in focus, use the fine focusing knob (when viewing with low or high power objectives) De...

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  • January 17, 2025
  • 8
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • microbiology lab quiz 1 questions and answers 100

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  • Microbiology Lab
  • Microbiology Lab

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Microbiology Lab Quiz 1 Questions
and Answers 100% Pass


Proper use of the microscope - ✔✔all specimens must be viewed under cover glass,

focus with scanning objectives first, use course adjustment knob, once in focus, use the

fine focusing knob (when viewing with low or high power objectives)


Depth of Field - ✔✔refers to the thickness of the plane of focus


Field of View - ✔✔area that is visible when using the microscope


Why use a microscope? - ✔✔To view and study the microscopic world of organisms

and objects less than 5mm in size that cohabitate with us on our globe.


Ocular lens (location and job) - ✔✔Area you place your eyes to see in scope (top of the

tube) - magnifies the image formed by the objective lens


Objective lenses (location and job) - ✔✔the lenses right above where the sample is

placed to be viewed. Can be changed to different magnifications (scanning, low, high). -

magnifies the object


Specimen holder (location and job) - ✔✔located right under the objective lenses - holds

specimen in place



Katelyn Whitman, All Rights Reserved © 2025 1

, Mechanical Stage (location and job) - ✔✔platform that you place your slides on - holds

them in place with help of specimen holders and can be be moved up and down or left

to right


Light intensity control (location and job) - ✔✔usually by or with the main power

switch. Controls the intensity of the light


x-y axis control knob (location and job) - ✔✔attached to the stage (mechanical) - moves

the stage along the x/y axis. One knob for back/front, one knob for left/right


Course focusing knob (location and job) - ✔✔located on side of microscope usually with

fine focus knob - rough focus knob only used with high power objective


Fine focusing knob (location and job) - ✔✔located on side of microscope usually with

coarse focus knob - focus knob used to fine tune the focus on the specimen


Iris diaphragm (location and job) - ✔✔under the condenser and above the light source -

controls the amount of light that enters the condenser.


Condenser (location and job) - ✔✔lens mounted below the stage and above iris

diaphram - used to focus the light on a small area above the stage


Light source (location and job) - ✔✔mounted under the condenser (maybe in/under the

base) - the light source for the microscope




Katelyn Whitman, All Rights Reserved © 2025 2

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