MLPAO Prep - Laboratory Math and Quality Assurance || || || || || || || ||
Exam with verified detailed solutions || || || ||
The value that appears most often in a set of data:
|| || || || || || || || || ||
mode
to find the median, one must arrange the set in order and:
|| || || || || || || || || || ||
take the mean of the two middle numbers
|| || || || || || ||
|| || ||
control values: ||
1.2 U/L ||
1.5 U/L ||
1.8 U/L ||
2.1 U/L ||
the control value demonstrates:
|| || ||
a trend||
|| || ||
a 1/6 dilution of serum in water is made. The glucose result is 4.0 mmol/L. what result is
|| || || || || || || || || || || || || || || || || ||
reported?
24.0 mmol/L ||
|| || ||
round to three significant figures: 2.08691 || || || || ||
2.09
|| || ||
round to nearest mm: 13.55 || || || ||
14 mm ||
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round to 1 significant figure: 3.5 x 10^9 || || || || || || ||
4 x 10^9 || ||
|| || ||
100 uL is equal to how many mm?|| || || || || || ||
0.1
|| || ||
, 2,000 cc of blood in L: || || || || ||
2
|| || ||
what does standard deviation tell you?
|| || || || ||
how spread out the data is || || || || ||
|| || ||
a test has a mean of 10.0 and a standard deviation of 1.4. If all control values must fall within 2
|| || || || || || || || || || || || || || || || || || || || ||
standard deviations of the mean, what is the acceptable range for the control values?
|| || || || || || || || || || || || ||
7.2 - 12.8 || ||
|| || ||
for data distributed normally, how many values are within one standard deviation from the mean?
|| || || || || || || || || || || || || ||
68%
|| || ||
how many mL of 5% hydrochloric acid are needed to make 500 mL of 2% hydrochloric acid?
|| || || || || || || || || || || || || || || ||
200 mL ||
|| || ||
what is the formula for calculating a percent w/v solution?
|| || || || || || || || ||
(mass of solute / volume of solution) x 100 || || || || || || || ||
|| || ||
what is specific gravity of distilled water at 4*C?
|| || || || || || || ||
1.000
the extent to which measurements agree with the true value is known as:
|| || || || || || || || || || || ||
accuracy
|| || ||
the coefficient of variation is a measure of:
|| || || || || || ||
precision
|| || ||
precise values are: || ||
fall within a narrow range
|| || || ||
|| || ||
cancer screening test detects cancer in 95% of people with cancer. What can be conferred from
|| || || || || || || || || || || || || || || ||
this test? ||
Exam with verified detailed solutions || || || ||
The value that appears most often in a set of data:
|| || || || || || || || || ||
mode
to find the median, one must arrange the set in order and:
|| || || || || || || || || || ||
take the mean of the two middle numbers
|| || || || || || ||
|| || ||
control values: ||
1.2 U/L ||
1.5 U/L ||
1.8 U/L ||
2.1 U/L ||
the control value demonstrates:
|| || ||
a trend||
|| || ||
a 1/6 dilution of serum in water is made. The glucose result is 4.0 mmol/L. what result is
|| || || || || || || || || || || || || || || || || ||
reported?
24.0 mmol/L ||
|| || ||
round to three significant figures: 2.08691 || || || || ||
2.09
|| || ||
round to nearest mm: 13.55 || || || ||
14 mm ||
|| || ||
round to 1 significant figure: 3.5 x 10^9 || || || || || || ||
4 x 10^9 || ||
|| || ||
100 uL is equal to how many mm?|| || || || || || ||
0.1
|| || ||
, 2,000 cc of blood in L: || || || || ||
2
|| || ||
what does standard deviation tell you?
|| || || || ||
how spread out the data is || || || || ||
|| || ||
a test has a mean of 10.0 and a standard deviation of 1.4. If all control values must fall within 2
|| || || || || || || || || || || || || || || || || || || || ||
standard deviations of the mean, what is the acceptable range for the control values?
|| || || || || || || || || || || || ||
7.2 - 12.8 || ||
|| || ||
for data distributed normally, how many values are within one standard deviation from the mean?
|| || || || || || || || || || || || || ||
68%
|| || ||
how many mL of 5% hydrochloric acid are needed to make 500 mL of 2% hydrochloric acid?
|| || || || || || || || || || || || || || || ||
200 mL ||
|| || ||
what is the formula for calculating a percent w/v solution?
|| || || || || || || || ||
(mass of solute / volume of solution) x 100 || || || || || || || ||
|| || ||
what is specific gravity of distilled water at 4*C?
|| || || || || || || ||
1.000
the extent to which measurements agree with the true value is known as:
|| || || || || || || || || || || ||
accuracy
|| || ||
the coefficient of variation is a measure of:
|| || || || || || ||
precision
|| || ||
precise values are: || ||
fall within a narrow range
|| || || ||
|| || ||
cancer screening test detects cancer in 95% of people with cancer. What can be conferred from
|| || || || || || || || || || || || || || || ||
this test? ||
