AAB MT BASIC KNOWLEDGE CORRECT FINAL EXAM
QUESTIONS AND ANSWERS SURE A+
✔✔What do the etched rings on the top of a pipette mean? - ✔✔The last drop is to be
blown out after the pipette drains.
✔✔What is the accuracy of a volumetric pipette? - ✔✔1:1000
✔✔What is the term used to describe a 99.95% purified chemical that can be measured
directly referred to as? - ✔✔Primary standard
✔✔What is a solution in which the molecules of solute in the solution are in equilibrium
with excess undissolved molecules referred to as? - ✔✔Saturated
✔✔What is the pH of pure water? - ✔✔7.0
✔✔Which statistical term most specifically describes analytical precision? -
✔✔Coefficient of variation
✔✔Quality control should be performed and monitored to ensure which one of the
following? - ✔✔Reliability
, ✔✔What is the term used to describe material with physical and chemical properties
closely resembling the test specimen and containing concentrations of the substance
being measured? - ✔✔Control
✔✔A procedure has a 2SD variation from a mean value. How many values from a
normal population will 2SD include? - ✔✔95.45%
✔✔To produce reliable results, how long should a patient fast before having blood
drawn for lipid studies? - ✔✔12-16 hours
✔✔How is a 10% bleach solution to disinfect the work area made? - ✔✔100 mL bleach
added to 900 mL water
✔✔Reactivity is what color diamond using the National Fire Protection Agency code? -
✔✔Yellow
✔✔What is a substance that minimizes any change in hydrogen ion concentration? -
✔✔Buffer
✔✔Who are the testing personnel for proficiency samples? - ✔✔Any personnel who
perform the test(s)
✔✔Which type of specimen provides the fastest turnaround time? - ✔✔Whole 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? - ✔✔17.7-18.3 mg/dL
✔✔If the mean for BUN is 18.0 and one standard deviation is 0.13, then what is the
coefficient of variation? - ✔✔.7% = .13/18.0
✔✔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? - ✔✔1.1 = 3.8/(.3+.8+1.2+1.1)
✔✔ What agency approves new test methodologies, instruments, and reagents before
they are available for purchase by consumers? - ✔✔FDA
✔✔How often should biological safety hoods be inspected? - ✔✔Annually
QUESTIONS AND ANSWERS SURE A+
✔✔What do the etched rings on the top of a pipette mean? - ✔✔The last drop is to be
blown out after the pipette drains.
✔✔What is the accuracy of a volumetric pipette? - ✔✔1:1000
✔✔What is the term used to describe a 99.95% purified chemical that can be measured
directly referred to as? - ✔✔Primary standard
✔✔What is a solution in which the molecules of solute in the solution are in equilibrium
with excess undissolved molecules referred to as? - ✔✔Saturated
✔✔What is the pH of pure water? - ✔✔7.0
✔✔Which statistical term most specifically describes analytical precision? -
✔✔Coefficient of variation
✔✔Quality control should be performed and monitored to ensure which one of the
following? - ✔✔Reliability
, ✔✔What is the term used to describe material with physical and chemical properties
closely resembling the test specimen and containing concentrations of the substance
being measured? - ✔✔Control
✔✔A procedure has a 2SD variation from a mean value. How many values from a
normal population will 2SD include? - ✔✔95.45%
✔✔To produce reliable results, how long should a patient fast before having blood
drawn for lipid studies? - ✔✔12-16 hours
✔✔How is a 10% bleach solution to disinfect the work area made? - ✔✔100 mL bleach
added to 900 mL water
✔✔Reactivity is what color diamond using the National Fire Protection Agency code? -
✔✔Yellow
✔✔What is a substance that minimizes any change in hydrogen ion concentration? -
✔✔Buffer
✔✔Who are the testing personnel for proficiency samples? - ✔✔Any personnel who
perform the test(s)
✔✔Which type of specimen provides the fastest turnaround time? - ✔✔Whole 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? - ✔✔17.7-18.3 mg/dL
✔✔If the mean for BUN is 18.0 and one standard deviation is 0.13, then what is the
coefficient of variation? - ✔✔.7% = .13/18.0
✔✔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? - ✔✔1.1 = 3.8/(.3+.8+1.2+1.1)
✔✔ What agency approves new test methodologies, instruments, and reagents before
they are available for purchase by consumers? - ✔✔FDA
✔✔How often should biological safety hoods be inspected? - ✔✔Annually