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Identify the structure indicated by the red arrow...
🗸🗸🗸: fine focus adjustment knob
Identify the structure indicated by the red arrow...
🗸🗸🗸: field diaphragm lever
Which of the following objectives should be used with immersion oil...
🗸🗸🗸: 100x objective
Compound microscopes are able to maintain proper focus of a specimen when moving from low
power to higher power magnification due to a property known as...
🗸🗸🗸: parfocal
What two factors determine resolution...
🗸🗸🗸: quality of the lens and the wavelength of light used
A photo is listed as having a total magnification of 400x. Which of the following objectives was
used in order to take the photo with a microscope that had 10x oculars...
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, 🗸🗸🗸: the 40x objective
Adjusting the amount of light that enters the substage condenser allows greater control of
contrast of the specimen being observed. This is controlled by adjusting the field diaphragm
lever...
🗸🗸🗸: false
The total magnification obtained using 100x objective with oil immersion is..
🗸🗸🗸: 1000x
What is the most important mechanism for adjusting light in the microscope...
🗸🗸🗸: aperture diaphragm control
The virtual image of a specimen viewed in the microscope is reversed and inverted...
🗸🗸🗸: true
To retrieve a sample from a culture tube with an inoculating loop, the cap of the tube is...
🗸🗸🗸: removed and held with the fingers of the loop hand
If you transfer bacterial growth from a broth to an agar plate but nothing grows after incubation,
what may have occurred...
🗸🗸🗸: The loop may have been too hot when making the transfer
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