Microbiology Lab Practicum #1 SBVC
Exam Questions With Correct Answers
Ocular lens - CORRECT ANSWER✔✔-Magnifies the object, usually by
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10x. Also known as the eyepiece, this is the part you look through to
| | | | | | | | | | | | | |
view the object
| |
What are the objectives on microscope? - CORRECT ANSWER✔✔-
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scanning objective 4x, low power objective10x, high dry power
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objective 40x, and oil immersion objective 100.
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How do you carry your microscope? - CORRECT ANSWER✔✔-Handle
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the microscope carefully. Keep a firm grasp on the arm and a protective
| | | | | | | | | | | | |
hand under the base when transporting it from the desk to the cabinet.
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How do you put away your microscope? - CORRECT ANSWER✔✔-.1
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Remove the slide from the stage and clean any traces of immersion oil,
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stain, water, or other foreign substances from the stage or any other
| | | | | | | | | | | |
part of the microscope.
| | |
2. Check that the blue filter is not extended.
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3. Rotate the scanning objective lens into the "down" position. (red lens
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in front)
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, 4. Raise the nosepiece or lower the stage to about the halfway point,
| | | | | | | | | | | | |
creating a greater working distance between the objective lenses and
| | | | | | | | | |
the stage.
|
5. Coil the power cord neatly around the hooks provided on the back of
| | | | | | | | | | | | | |
the scope|
6. Be sure the head screw is tight so that the head is not wobbly.
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7. Turn light all the way off, and turn off power.
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8. Cover the microscope with its protective dust cover.
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How do you clean culture spills in lab? - CORRECT ANSWER✔✔-a. Flood
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the area with disinfectant.
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b. Cover with paper towels and let it sit for 15 minutes.
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c. Notify the instructor or lab technician.
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d. Alert students as to the location of the spill while paper towels are in
| | | | | | | | | | | | | | |
place so as to prevent anyone from slipping on it.
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e. Wipe up the area with paper towels and place all towels in the
| | | | | | | | | | | | | |
biohazard container |
f. Using a hand broom and dustpan, sweep up glass and dispose of it
| | | | | | | | | | | | | |
into a pipette bin to keep sharp objects in a non-penetrable container.
| | | | | | | | | | |
Substage light - CORRECT ANSWER✔✔-The light source is usually built
| | | | | | | | | |
into the base of the microscope and typically has a dial or sliding bar on
| | | | | | | | | | | | | | |
one side to control the light intensity.
| | | | | |
Exam Questions With Correct Answers
Ocular lens - CORRECT ANSWER✔✔-Magnifies the object, usually by
| | | | | | | | |
10x. Also known as the eyepiece, this is the part you look through to
| | | | | | | | | | | | | |
view the object
| |
What are the objectives on microscope? - CORRECT ANSWER✔✔-
| | | | | | | |
scanning objective 4x, low power objective10x, high dry power
| | | | | | | | |
objective 40x, and oil immersion objective 100.
| | | | | |
How do you carry your microscope? - CORRECT ANSWER✔✔-Handle
| | | | | | | | |
the microscope carefully. Keep a firm grasp on the arm and a protective
| | | | | | | | | | | | |
hand under the base when transporting it from the desk to the cabinet.
| | | | | | | | | | | |
How do you put away your microscope? - CORRECT ANSWER✔✔-.1
| | | | | | | | | |
Remove the slide from the stage and clean any traces of immersion oil,
| | | | | | | | | | | | |
stain, water, or other foreign substances from the stage or any other
| | | | | | | | | | | |
part of the microscope.
| | |
2. Check that the blue filter is not extended.
| | | | | | | |
3. Rotate the scanning objective lens into the "down" position. (red lens
| | | | | | | | | | | |
in front)
|
, 4. Raise the nosepiece or lower the stage to about the halfway point,
| | | | | | | | | | | | |
creating a greater working distance between the objective lenses and
| | | | | | | | | |
the stage.
|
5. Coil the power cord neatly around the hooks provided on the back of
| | | | | | | | | | | | | |
the scope|
6. Be sure the head screw is tight so that the head is not wobbly.
| | | | | | | | | | | | | |
7. Turn light all the way off, and turn off power.
| | | | | | | | | |
8. Cover the microscope with its protective dust cover.
| | | | | | | |
How do you clean culture spills in lab? - CORRECT ANSWER✔✔-a. Flood
| | | | | | | | | | | |
the area with disinfectant.
| | |
b. Cover with paper towels and let it sit for 15 minutes.
| | | | | | | | | | |
c. Notify the instructor or lab technician.
| | | | | |
d. Alert students as to the location of the spill while paper towels are in
| | | | | | | | | | | | | | |
place so as to prevent anyone from slipping on it.
| | | | | | | | |
e. Wipe up the area with paper towels and place all towels in the
| | | | | | | | | | | | | |
biohazard container |
f. Using a hand broom and dustpan, sweep up glass and dispose of it
| | | | | | | | | | | | | |
into a pipette bin to keep sharp objects in a non-penetrable container.
| | | | | | | | | | |
Substage light - CORRECT ANSWER✔✔-The light source is usually built
| | | | | | | | | |
into the base of the microscope and typically has a dial or sliding bar on
| | | | | | | | | | | | | | |
one side to control the light intensity.
| | | | | |
