Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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Pipettor Practice:
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1.
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Which of the above pipettor should be used for pipetting
19ul into a microtube
a. | 1 | b. | 2 | c. | 3 | d. | 4 | e. | none of the above are
appropriate choices |
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2.
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Which of the following should be used for pipetting
183.4ul?
a. | 1 only | b. | 2 and
3 | c. | 3 only | d. | 3 and
4 | e. | 4 only |
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3.
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Assuming you can use one pipettor, when pipetting 218 ul you
should NOT use which of the following pipettes?
a. | 1 | b. | 1 and
2 | c. | 1 and 2 and 3 | d. | 1 and 2 and 3 and 4 | e. | 4
only |
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4.
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Ruth Smith was labeling her clones for making an ON culture
and was unsure of the correct labeling notation. Please choose the correct notation for
her.
a. | 17SR1.11 | b. | 17RS1.11 | c. | 17ruth1.11 | d. | RS1701.11 | e. | 17.RS.1.11 |
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Pipettor Window:
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5.
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Which pipettor would be ideal to pipette volume
#5?
a. | 1 | b. | 2 | c. | 3 | d. | 4 | e. | none of the
above |
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6.
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Which of pipettor would be ideal for pipette volume
#6
a. | 1 | b. | 2 | c. | 3 | d. | 4 | e. | none of the
above |
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7.
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Which of the following should NOT be used for 42
ul?
a. | 1, 2, 3, | b. | 1, 2,
4 | c. | 2, 3, 4 | d. | 1,
2 | e. | 1, 3, 4 |
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Pipetting technique
The following table describes the process of pipetting. Each letter and
it’s column separate is a pipetting event. Remember, you start pipetting (ready position)
and depending on what you are trying to accomplish each column corresponds to a separate process.
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8.
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Which column corresponds to “expelling” your
volume?
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9.
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Which of the following corresponds to the technique of
“pulling up” a volume into a pipettor?
a. | A only | b. | A then
B | c. | C then D | d. | C only |
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10.
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The following represents 2 uL of blue dye expelled from your
pipettor on to filter paper.
Which using the above chart, which of the
following answers is correct?
a. | The dot labeled 1 corresponds to technique A then
B. | b. | The dot labeled 2 corresponds to technique A then
B | c. | The dot labeled 4 corresponds to B then
A | d. | The dot labeled 3 corresponds D then C | e. | All of the above are incorrect |
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