AAB MT Basic Knowledge Correct
Solutions
What is the minimum number of standards required for a standard curve? - ANSWER3
What is the maximum magnification using a brightfield microscope? - ANSWER1000X
What is the most accurate pipette for reconstituting control material? - ANSWERGlass
volumetric pipettes
Which unit of measure refers to 10^-3? - ANSWERMilli-
Cholesterol/HDL ratio - ANSWERchol/HDL
200 microliters of patient serum is diluted with 800 microliters of saline. What is the final
dilution? - ANSWER1:5
What is the calculated LDL cholesterol given the following lipid profile results?
Triglycerides 190 mg/dL
Cholesterol 225 mg/dL
HDL 75 mg/dL - ANSWERLDL = Total cholesterol - HDL - (TG/5)
112 = 225 - 75 - (190/5)
How is relative centrifugal force calculated? - ANSWER1.18 x 10^-5 x r x rpm^2
Where should an unopened container of methanol be stored? - ANSWERFlammable
safety cabinet
Which bloodborne pathogens are of greatest risk to laboratorians? - ANSWERHepatitis
B and HIV
When a fire occurs, when should the hospital operator be notified of the fire? -
ANSWERAfter pulling the alarm
What is the accuracy of a volumetric pipette? - ANSWER1:1000
What is the term used to describe a 99.95% purified chemical that can be measured
directly referred to as? - ANSWERPrimary standard
What federal legislation regulates most clinical laboratories - ANSWERCLIA
What is the pH of pure water? - ANSWER7.0
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Which statistical term most specifically describes analytical precision? -
ANSWERCoefficient of variation
A procedure has a 2SD variation from a mean value. How many values from a normal
population will 2SD include? - ANSWER95.45%
To produce reliable results, how long should a patient fast before having blood drawn
for lipid studies? - ANSWER12-16 hours
How is a 10% bleach solution to disinfect the work area made? - ANSWER100 mL
bleach added to 900 mL water
Reactivity is what color diamond using the National Fire Protection Agency code? -
ANSWERYellow
What is a substance that minimizes any change in hydrogen ion concentration? -
ANSWERBuffer
Which type of specimen provides the fastest turnaround time? - ANSWERWhole blood
If the mean for BUN is 18.0 and one standard deviation is 0.15, then what is the
acceptable range for this control? - ANSWER17.7-18.3 mg/dL
If the mean for BUN is 18.0 and one standard deviation is 0.13, then what is the
coefficient of variation? - ANSWER0.13/18.0 = 0.7%
The total protein is 7.2 g/dL. The serum protein results are:
Albumin 53.0% 3.8 g/dL
Alpha1 3.6% 0.3 g/dL
Alpha2 11.0% 0.8 g/dL
Beta 17.6% 1.2 g/dL
Gamma 14.8% 1.1 g/dL
What is the A/G ratio? - ANSWER3.8/(.3+.8+1.2+1.1) = 1.1
-tabletop
-microcentrifuges
-high-speed centrifuges(17,000-30000)
-ultracentrifuges(150000) - ANSWER4 types of centrifuges
1. automated
2. semi-automated
3. glass - ANSWER3 types of pipettes
frequently used to prepare many samples for analysis and can be an integral part of
automated analyzer - ANSWERAutomated pipettesPowered by TCPDF (www.tcpdf.org)
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Solutions
What is the minimum number of standards required for a standard curve? - ANSWER3
What is the maximum magnification using a brightfield microscope? - ANSWER1000X
What is the most accurate pipette for reconstituting control material? - ANSWERGlass
volumetric pipettes
Which unit of measure refers to 10^-3? - ANSWERMilli-
Cholesterol/HDL ratio - ANSWERchol/HDL
200 microliters of patient serum is diluted with 800 microliters of saline. What is the final
dilution? - ANSWER1:5
What is the calculated LDL cholesterol given the following lipid profile results?
Triglycerides 190 mg/dL
Cholesterol 225 mg/dL
HDL 75 mg/dL - ANSWERLDL = Total cholesterol - HDL - (TG/5)
112 = 225 - 75 - (190/5)
How is relative centrifugal force calculated? - ANSWER1.18 x 10^-5 x r x rpm^2
Where should an unopened container of methanol be stored? - ANSWERFlammable
safety cabinet
Which bloodborne pathogens are of greatest risk to laboratorians? - ANSWERHepatitis
B and HIV
When a fire occurs, when should the hospital operator be notified of the fire? -
ANSWERAfter pulling the alarm
What is the accuracy of a volumetric pipette? - ANSWER1:1000
What is the term used to describe a 99.95% purified chemical that can be measured
directly referred to as? - ANSWERPrimary standard
What federal legislation regulates most clinical laboratories - ANSWERCLIA
What is the pH of pure water? - ANSWER7.0
1 / 2
Which statistical term most specifically describes analytical precision? -
ANSWERCoefficient of variation
A procedure has a 2SD variation from a mean value. How many values from a normal
population will 2SD include? - ANSWER95.45%
To produce reliable results, how long should a patient fast before having blood drawn
for lipid studies? - ANSWER12-16 hours
How is a 10% bleach solution to disinfect the work area made? - ANSWER100 mL
bleach added to 900 mL water
Reactivity is what color diamond using the National Fire Protection Agency code? -
ANSWERYellow
What is a substance that minimizes any change in hydrogen ion concentration? -
ANSWERBuffer
Which type of specimen provides the fastest turnaround time? - ANSWERWhole blood
If the mean for BUN is 18.0 and one standard deviation is 0.15, then what is the
acceptable range for this control? - ANSWER17.7-18.3 mg/dL
If the mean for BUN is 18.0 and one standard deviation is 0.13, then what is the
coefficient of variation? - ANSWER0.13/18.0 = 0.7%
The total protein is 7.2 g/dL. The serum protein results are:
Albumin 53.0% 3.8 g/dL
Alpha1 3.6% 0.3 g/dL
Alpha2 11.0% 0.8 g/dL
Beta 17.6% 1.2 g/dL
Gamma 14.8% 1.1 g/dL
What is the A/G ratio? - ANSWER3.8/(.3+.8+1.2+1.1) = 1.1
-tabletop
-microcentrifuges
-high-speed centrifuges(17,000-30000)
-ultracentrifuges(150000) - ANSWER4 types of centrifuges
1. automated
2. semi-automated
3. glass - ANSWER3 types of pipettes
frequently used to prepare many samples for analysis and can be an integral part of
automated analyzer - ANSWERAutomated pipettesPowered by TCPDF (www.tcpdf.org)
2 / 2
