MLPAO FINAL PAPER MODULE REVIEW
TESTED QUESTIONS 2026 100% CORRECT.
◍ Where there is risk of aerosol production, Level 2 containment
requires a minimum of:
A) Level 1 biosafety cabinet.
B) Level 2 biosafety cabinet
C) Level 3 biosafety cabinet
D) Laminar flow hood
E) No special hood required. Answer: A) Level 1 biosafety cabinet.
◍ According to the Clinical and Laboratory Standards Institute
(CLSI) which type of water should be used for routine laboratory
assays?
A) Filtered water
B) Distilled water
C) De-ionized water
D) Double distilled water (DDH,O)
E) Clinical Laboratory Reagent Water (CLRW). Answer: E) Clinical
Laboratory Reagent Water (CLRW)
◍ An error was made in preparing a commercial control. Patients
results will be:
,A) inaccurate.
B) imprecise.
C) inaccurate but precise.
D) accurate but imprecise
E) not affected.. Answer: E) not affected.
◍ What are the upper and lower limits of acceptable results for a
control, if the mean is 130 g/L and the standard deviation is 2.0?
A) 122-138 g/L
B) 123-137 g/L
C) 124-136 g/L
D) 125-135 g/L
E) 126-134 g/L. Answer: E) 126-134 g/L
◍ The term 'bias' is defined as:
A) the total number of values used.
B) an average of calculate values.
C) measure of the departure from accuracy. D) a manufacturer
recommended value.
E) the allowable limits in which a control value is acceptable..
Answer: C) measure of the departure from accuracy.
,◍ A volumetric flask that is calibrated at 20°C would be expected to
contain more volume if the:
A) laboratory temperature is 18°C
B) liquid is refrigerated before measurement. C) liquid is heated
before measurement.
D) flask is refrigerated before measurement.
E) flask is at room temperature before measurement.. Answer: C)
liquid is heated before measurement.
◍ When a urine microscopy is performed, the specimen must be
centrifuged at 1,500 3,000 rpm for how many minutes?
A) 1
B) 3
C) 5
D)10
E) 15. Answer: C) 5
◍ Which of the following reagents is used for blueing a hematoxylin-
stained section?
A) Acid solution
B) Alcohol solution
, C) Alkaline solution
D) Methylene blue solution
E) Mordant solution. Answer: C) Alkaline solution
◍ Cellular morphology of a cytological preparation is distorted when
smears are:
A) left in the fixative solution for longer than 2 hours.
B) left in the stain solution for a 1/2 hour.
C) left in the clearing solution for a 1/2 hour.
D) allowed to dry prior to staining.
E) allowed to dry prior to coverslipping.. Answer: D) allowed to dry
prior to staining.
◍ An electrocardiograph is the:
A) tracing of electrical activity of the heart
B) contraction and relaxation of ventricles
с) tracing of the opening and closing of heart valves
D) instrument used to record the heart's electrical activity
E) Uses ultrasound waves to examine the heart. Answer: D)
instrument used to record the heart's electrical activity
◍ Which of the following occurs in DNA replication?
TESTED QUESTIONS 2026 100% CORRECT.
◍ Where there is risk of aerosol production, Level 2 containment
requires a minimum of:
A) Level 1 biosafety cabinet.
B) Level 2 biosafety cabinet
C) Level 3 biosafety cabinet
D) Laminar flow hood
E) No special hood required. Answer: A) Level 1 biosafety cabinet.
◍ According to the Clinical and Laboratory Standards Institute
(CLSI) which type of water should be used for routine laboratory
assays?
A) Filtered water
B) Distilled water
C) De-ionized water
D) Double distilled water (DDH,O)
E) Clinical Laboratory Reagent Water (CLRW). Answer: E) Clinical
Laboratory Reagent Water (CLRW)
◍ An error was made in preparing a commercial control. Patients
results will be:
,A) inaccurate.
B) imprecise.
C) inaccurate but precise.
D) accurate but imprecise
E) not affected.. Answer: E) not affected.
◍ What are the upper and lower limits of acceptable results for a
control, if the mean is 130 g/L and the standard deviation is 2.0?
A) 122-138 g/L
B) 123-137 g/L
C) 124-136 g/L
D) 125-135 g/L
E) 126-134 g/L. Answer: E) 126-134 g/L
◍ The term 'bias' is defined as:
A) the total number of values used.
B) an average of calculate values.
C) measure of the departure from accuracy. D) a manufacturer
recommended value.
E) the allowable limits in which a control value is acceptable..
Answer: C) measure of the departure from accuracy.
,◍ A volumetric flask that is calibrated at 20°C would be expected to
contain more volume if the:
A) laboratory temperature is 18°C
B) liquid is refrigerated before measurement. C) liquid is heated
before measurement.
D) flask is refrigerated before measurement.
E) flask is at room temperature before measurement.. Answer: C)
liquid is heated before measurement.
◍ When a urine microscopy is performed, the specimen must be
centrifuged at 1,500 3,000 rpm for how many minutes?
A) 1
B) 3
C) 5
D)10
E) 15. Answer: C) 5
◍ Which of the following reagents is used for blueing a hematoxylin-
stained section?
A) Acid solution
B) Alcohol solution
, C) Alkaline solution
D) Methylene blue solution
E) Mordant solution. Answer: C) Alkaline solution
◍ Cellular morphology of a cytological preparation is distorted when
smears are:
A) left in the fixative solution for longer than 2 hours.
B) left in the stain solution for a 1/2 hour.
C) left in the clearing solution for a 1/2 hour.
D) allowed to dry prior to staining.
E) allowed to dry prior to coverslipping.. Answer: D) allowed to dry
prior to staining.
◍ An electrocardiograph is the:
A) tracing of electrical activity of the heart
B) contraction and relaxation of ventricles
с) tracing of the opening and closing of heart valves
D) instrument used to record the heart's electrical activity
E) Uses ultrasound waves to examine the heart. Answer: D)
instrument used to record the heart's electrical activity
◍ Which of the following occurs in DNA replication?
