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Multiple Choice Quiz
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1
The microscopic image is made clearer and sharper by using the:
A)focus controls
B)condenser
C)mechanical stage
D)nosepiece
2
Extra care must be taken in focusing the 100X objective because it has a:
A)fragile lens
B)short working distance
C)larger lens
D)retroactive focus
3
The eyepiece of the microscope is called the:
A)ocular
B)objective
C)condenser
D)ocular
4
The device that controls the amount of current entering an electrical circuit is called the:
A)rheostat
B)outlet
C)voltmeter
D)aperture
5
What is the total magnification of a red cell in a urine specimen viewed under a 10X ocular and a 45X objective lens?
A)400
B)4.5
C)450
D)100
6
Binocular microscopes have two:
A)objectives rotating with the nosepiece
B)oculars
C)oculars and one objective
D)oculars and two objectives
7
Small changes can be made in the working distance by using the:
A)fine adjustment
B)adjustable ocular
C)condenser
D)coarse adjustment
8
Which of the following objectives has the lowest magnification?
A)Scan power
B)Low power
C)High power
D)Oil-immersion
9
In the event that commercial lens cleaner is not available to clean the ocular, which of the following would be the best substitute?
A)Rubbing alcohol
B)Methanol
C)Bleach
D)Acetone
10
The microscope lamp flickers. What would be the appropriate course of action?
A)Call the maintenance department of the clinic
B)Check the microscope for any scratches on the stage
C)Replace the lamp bulb
D)Turn it off and use another microscope





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