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Exercise 4: Microscopy

AB
The term that allows switching objectives without altering focus.Parfocalization. All objective lenses are parfocalized
What effect does closing the diaphragm have on image brightness?Decreased image brightness
What effect does closing the diaphragm have on image contrast?Increased image contrast
In general, at what position should the condenser be kept?Raised to it's highest point
What is the maximum resolution for a compound microscope in micrometers?0.2
Switching objectives first requires raising the lens and refocusing.False. Lenses are parfocalized.
It is best to use one of the lower magnification lenses before switching to higher magnification objectives.True
The 40X and 100X objectives have shorter working distances than a 4X objective.True
the ability to clearly determine two separate points, or objects, as singular, distinguished entitiesResolution


Anatomy and Physiology I
Ocean County College
Toms River, NJ

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