01 PIPETTING Flashcards

1
Q

Classification of pipet:

Water is used for calibration

A

To deliver

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2
Q

Classification of pipet:

Liquid is not blown out

A

To deliver

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3
Q

Classification of pipet:

Hg is used for calibration

A

To contain

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4
Q

Classification of pipet:

Exact volume is delivered by repeated filling and emptying with the diluents

A

To contain

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5
Q

Classification of pipet according to characteristics:

An etched or frosted ring

A

blow out

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6
Q

Classification of pipet according to measuring or graduated pipets:

Has calibration marks to the tip and is generally blow out

A

serologic

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7
Q

Classification of pipet according to measuring or graduated pipets:

Does not have graduations to the tip

A

Mohr

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8
Q

Classification of pipet according to measuring or graduated pipets:

May either be a serological or mohr

A

Micropipet

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9
Q

Mircopipets are calibrated with ___ type pipet

A

either TC or TD

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10
Q

This pipet has a cylindrical bulb located midway between the mouth and the tip

A

volumetric

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11
Q

T/F: volumetric pipets are blown out

A

F (drain only)

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12
Q

This pipet is used for accurate measurement and other non-viscous fluids

A

volumetric

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13
Q

This pipet has the greatest accuracy & precision

A

volumetric

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14
Q

This pipet has a bulb located closer to the delivery tip

A

Ostwald-folin pipet

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15
Q

This pipet is especially used to measure viscous fluids

A

Ostwald-folin pipet

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16
Q

T/F: Ostwald-folin is a drain type of pipet

A

F (blow out)

17
Q

This pipet has no calibration marks and are used to transfer solutions or biologic fluids without consideration of a specific volume

A

Pasteur pipet

18
Q

This pipet is the most routinely used

A

Automatic pipet

19
Q

Type of automatic pipet:

Relies on a piston for suction creation to draw the sample into a disposable tip that must be changed after each use

A

Air displacement

20
Q

Type of automatic pipet:

operates by moving the piston in the pipet tip or barrel, much like a hypodermic syringe and does not require different tip for each use

A

Positive displacement