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MTLE > CLINICAL CHEMISTRY > Flashcards

CLINICAL CHEMISTRY Flashcards

1
Q

Number of moles of solute per liter of solution

A

Molarity

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2
Q

Number of moles of solute per kilogram of solvent

A

Molality

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3
Q

Number of equivalent weights of solute per liter of solution

A

Normality

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4
Q

Amount of solute per 100 total units of solution

A

%w/v

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5
Q

Expression of relative concentration

A

Dilution

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6
Q

Volume of sample divided by total volume of solution

A

Simple dilution

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7
Q

The amount of something relative to another ; expressed as part per part or part per whole

A

Ratio

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8
Q

Formula for dilution?

A

Result x dillution factor

Sample volume divided by total volume

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9
Q

Average or arithmetic mean

A

Mean

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10
Q

midpoint of a data set after the values have been rank-ordered

A

Median

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11
Q

most frequently occurring value in a data set

A

Mode

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12
Q

distribution of data points around the mean

A

standard deviation

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13
Q

best indicator of precision

A

coefficient of variation

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14
Q

difference between the highest and the lowest values

A

range

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15
Q

what is the relationship between precision and coefficient of variation

A

inversely proportional

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16
Q

rule of thumb of coefficient of variation

A

must be <10%

17
Q

It is not reliable or is greatly affected by outliers

A

range

18
Q

empirical rule for gaussian/normal distribution

A

68/95/99.7

19
Q

done to confirm the validity of an existing or published reference interval for an analyte ?

aka as?

It requires ______ study individuals and reference interval is adopted if ____% of the subjects fall outside the range

A

Verifying a reference interval

Transference

20

< or equal to 10

20
Q

done when there is no existing RI for an analyte or when transference study fails

requires at least ____ study individuals

RI is set based on the ______

A

Establishing a reference interval

120

95% confidence interval

21
Q

formula for confidence interval of 95%

A

mean pus minus 2SD

MTLE (1 decks)

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