AAB MT Basic Knowledge Test Questions
and Answers with solutions
Which pipette has a bulged out portion in the middle?
A Mohr pipette
B Pasture pipette
C Serological pipette
D Volumetric pipette
D
How many grams of sodium chloride are needed to make 300ml of a 25 m/v solution?
A2
B4
C6
D 20
C
Which of the these chemicals is NOT explosive?
A Crystal violet
B Ether
C Picric acid
D Sodium azide
A
Which of these is a quantitative result?
A A moderate amount of crystals seen
B A moderate number of bacteria present
C Specific gravity = 1.010
D Urine is brown
C
Which type of pipette has calibration marks to the tip?
A Micropipette
B Mohr
C Serological
D Volumetric
C
How should picric acid be stored?
A In a plastic bottle
B Next to heat
, C Under ether
D Under water
D
Pipettes marked TC are:
A allowed to drain freely
B marked with a double ring at the mouthpiece
C rinsed out after delivery
D used for toxic, corrosive liquids
C
What is the total microscope magnification for a manual white cell count?
A 100x
B 400x
C 1,000x
D 10,000x
C
Precision is the:
A closeness of a result to the first standard deviation
B closeness of a result to the median value
C closeness of a result to the true value
D repeatability or reproducibility of a procedure
D
A lab technician needs 300 mL of 5% acetic acetic but only has pure acetic acid. How much pure
acetic acid and how much match does the technician need to make the required solution?
A 5mL of pure acid and 295 mL of water
B 10mL of pure acid and 290 mL of water
C 15mL of pure acid and 285 mL of water
D 20 mL of pure acid and 280 mL of water
C
Which term indicates the highest purity of a chemical?
A Analytical regent grade
B Chemically pure
C Commercial grade
D USP grade
A
In the NFPA hazard diamond, which quadrant indicated special hazards?
A Blue
B Red
C White
D Yellow
and Answers with solutions
Which pipette has a bulged out portion in the middle?
A Mohr pipette
B Pasture pipette
C Serological pipette
D Volumetric pipette
D
How many grams of sodium chloride are needed to make 300ml of a 25 m/v solution?
A2
B4
C6
D 20
C
Which of the these chemicals is NOT explosive?
A Crystal violet
B Ether
C Picric acid
D Sodium azide
A
Which of these is a quantitative result?
A A moderate amount of crystals seen
B A moderate number of bacteria present
C Specific gravity = 1.010
D Urine is brown
C
Which type of pipette has calibration marks to the tip?
A Micropipette
B Mohr
C Serological
D Volumetric
C
How should picric acid be stored?
A In a plastic bottle
B Next to heat
, C Under ether
D Under water
D
Pipettes marked TC are:
A allowed to drain freely
B marked with a double ring at the mouthpiece
C rinsed out after delivery
D used for toxic, corrosive liquids
C
What is the total microscope magnification for a manual white cell count?
A 100x
B 400x
C 1,000x
D 10,000x
C
Precision is the:
A closeness of a result to the first standard deviation
B closeness of a result to the median value
C closeness of a result to the true value
D repeatability or reproducibility of a procedure
D
A lab technician needs 300 mL of 5% acetic acetic but only has pure acetic acid. How much pure
acetic acid and how much match does the technician need to make the required solution?
A 5mL of pure acid and 295 mL of water
B 10mL of pure acid and 290 mL of water
C 15mL of pure acid and 285 mL of water
D 20 mL of pure acid and 280 mL of water
C
Which term indicates the highest purity of a chemical?
A Analytical regent grade
B Chemically pure
C Commercial grade
D USP grade
A
In the NFPA hazard diamond, which quadrant indicated special hazards?
A Blue
B Red
C White
D Yellow
