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Microscope Quiz:

 

1.  Which lens is nearest the eye?

Ocular
Objective
Condenser
Oil

 

2.  Which lens provides a magnification of 1,000 times?

Ocular
Objective
Condenser
Oil

 

3.  Which of these focuses the light beams?

Ocular
Iris diaphragm
Condenser
Oil

 

4.  How do we compute magnification?

Low power X high power
Oil X low power
Oil X high power
Ocular X objective

 

5.  Which of these is never used when a medium or high power lens is placed in viewing position?

Stage clips
Condenser
Coarse adjustment
Fine adjustment

 

6.  Which of these regulates the amount of light that passes into the lens system?

Condenser
Iris diaphragm
Stage
Nosepiece

 

7.  Which of these physically supports the objective lenses?

Condenser
Iris diaphragm
Stage
Nosepiece

 

8.  Which of these supports the microslide?

Condenser
Iris diaphragm
Stage
Nosepiece

 

9.  Where is the pointer housed?

The pointer is located in the ocular lens.
The pointer is located in each objective lens.
The pointer is located in the stage opening.
The pointer is located within the structure of the iris diaphragm.

 

10. Our microscopes all lack which of these items?

Ocular lenses
Built-in lights
Inclination joints
Traditional stage adjustments

 

11. How many lenses would you associate with a simple microscope?

1
2
3
4

 

12. Which of our objective lenses has a magnification ability of 10x all by itself?

Low power lens
Medium power lens
High Dry lens
High Oil lens

 

13. Which of these tips is most important for preparation of a wet-mount slide?

When preparing a wet-mount slide, always use large specimens.
When preparing a wet-mount slide, always add several drops of oil to the slide.
When preparing a wet-mount slide, always tilt the cover slip at a 45’ angle prior to placement.
When preparing a wet-mount slide, always smear the droplets of liquid prior to placement of the specimen.

 

14. Which term best applies to a microscope that can hold a dish of water instead of a microslide?

Monocular microscope
Binocular microscope
Dissecting microscope
Simple microscope

 

15. Which stain did we use when we prepared our cheek cell slides?

Methylene blue
Safranin
Lugol's iodine
Methylene red

 

NOTE: You are responsible for visual identification of the parts of the microscope, and for visual comparison of various microscope designs. Practical applications such as these are an inherent part of each laboratory activity and exam.