MLPAO MLA/T EXAM 2 2026 CLINICAL LAB
SCIENCE ASSESSMENT STUDY GUIDE
COMPLETE QUESTIONS AND ANSWERS
◉ Which of the following will be required for most quantitative
analysis of urine? a) Random urine b) First morning urine c) Clean
catch mid stream urine d) Fasting urine e) 24hr urine. Answer: e)
24hr urine
◉ A part of the blood buffer system is: a) bIcarbonate ion b) Calcium
ion c) Phosphate ion d) Sodium ion e) None of the above. Answer: a)
bIcarbonate ion
◉ In the quality control chart, what percentage of results will be
outside the range of + 1 S.D.? a) 2.5% b) 5% c) 16% d) 32% e) 68%.
Answer: d) 32%
◉ Artefacts in microscopic urine examinations include: a) Pollen
grains b) Fibres c) Dust d) Cast e) A, B & C are correct. Answer: e) A,
B & C are correct
,◉ Type AB blood has a) Antigen A b) Antigen B c) Antigen A & B d)
No antigen e) None of the above. Answer: c) Antigen A & B
◉ Haemolytic disease of a newborn is caused by: a) Antigens of a Rh
+ve mother b) Antibodies of an Rh +ve mother c) Antigens of an Rh -
ve mother d) Antibodies of an Rh -ve mother e) Antibodies of a
father. Answer: d) Antibodies of an Rh -ve mother
◉ A urinary tract infection with bacteria will probably elevate the
level of: a) Nitrite b) pH c) Ammonia d) Turbidity e) All of the above.
Answer: e) All of the above
◉ Immunology tests are based on the reaction of a) Acid-base b)
Antigen-antibody c) Protein SSA d) Lysing agent RBC e) Proton-
electron. Answer: b) Antigen-antibody
◉ 5u g= a) 5 x 10€ b) 5 x 10-7 c) 5 x108 d) 5 x 109 e) 5 x 106.
Answer: d) 5 x 109
◉ In order to maintain an appropriate pH, the renal tubules secrete:
a) Hydrogen ions b) Glucose c) Bicarbonate d) Chloride e) Acetate.
Answer: a) Hydrogen ions
,◉ A chemical substance produced by microorganism, which inhibits
the growth of or kills other microorganisms is known as: a) Toxin b)
Antitoxin c) Vaccine d) Antibiotic e) Virus. Answer: d) Antibiotic
◉ Accuracy is the expression of: a) The reproductively of a method
b) The closeness of measurement to the true value c) The standard
deviation of a method d) The reliability e) None of the above.
Answer: b) The closeness of measurement to the true value
◉ In the medical lab, P.C. means: a) Before meal b) After meal c)
Police constable d) Post cibum e) b and d. Answer: e) b and d
◉ Buffer is: a) Weak acid or weak base with its salt b) Weak acid
with weak base c) The salt of a weak acid d) Weak acid with strong
base e) None of the above. Answer: a) Weak acid or weak base with
its salt
◉ pH can be defined as: a) The number of hydrogen molecules in the
solution b) The negative log of the concentration of hydrogen ions
C)The osmotic pressure of acid d) Very acidic e) Two of the
preceding. Answer: b) The negative log of the concentration of
hydrogen ions
◉ Which of the following anticoagulants will be used for cholesterol
tests? a) Heparin b) Oxalate c) Citrate d) Sequestrene e) None of the
above. Answer: e) None of the above
, ◉ If the name of a kind of bacterium ends in coccus, then the shape
of the individual bacterium is: a) Elongated b) Triangular c) Rod-
shaped d) Spherical e) Spiral. Answer: d) Spherical
◉ A toxin is a substance that: a) Can be destroyed by heat b) Is
produced by bacteria c) Kills bacteria d) Promotes metabolic rate e)
Two of the preceding. Answer: e) Two of the preceding
◉ The best verification of patient ID is: a) Last name-first name,
address b) Last name-first name, OHIP No. c) Last name-first name,
DOB d) Last name-first name, phone No. e) All of the above. Answer:
c) Last name-first name, DOB
◉ Which of the following is used in an acid fast staining procedure?
a) Neisser's Methylene blue b) Pararosaniline Methylene blue c)
Malachite green d) Ziehl-Neelsen's solution e) Safranin. Answer: d)
Ziehl-Neelsen's solution
◉ Thermolabile means: a) Affected by temperature b) Constant
temperature c) Heat resistant d) High quality thermometer e) None
of the above. Answer: a) Affected by temperature
SCIENCE ASSESSMENT STUDY GUIDE
COMPLETE QUESTIONS AND ANSWERS
◉ Which of the following will be required for most quantitative
analysis of urine? a) Random urine b) First morning urine c) Clean
catch mid stream urine d) Fasting urine e) 24hr urine. Answer: e)
24hr urine
◉ A part of the blood buffer system is: a) bIcarbonate ion b) Calcium
ion c) Phosphate ion d) Sodium ion e) None of the above. Answer: a)
bIcarbonate ion
◉ In the quality control chart, what percentage of results will be
outside the range of + 1 S.D.? a) 2.5% b) 5% c) 16% d) 32% e) 68%.
Answer: d) 32%
◉ Artefacts in microscopic urine examinations include: a) Pollen
grains b) Fibres c) Dust d) Cast e) A, B & C are correct. Answer: e) A,
B & C are correct
,◉ Type AB blood has a) Antigen A b) Antigen B c) Antigen A & B d)
No antigen e) None of the above. Answer: c) Antigen A & B
◉ Haemolytic disease of a newborn is caused by: a) Antigens of a Rh
+ve mother b) Antibodies of an Rh +ve mother c) Antigens of an Rh -
ve mother d) Antibodies of an Rh -ve mother e) Antibodies of a
father. Answer: d) Antibodies of an Rh -ve mother
◉ A urinary tract infection with bacteria will probably elevate the
level of: a) Nitrite b) pH c) Ammonia d) Turbidity e) All of the above.
Answer: e) All of the above
◉ Immunology tests are based on the reaction of a) Acid-base b)
Antigen-antibody c) Protein SSA d) Lysing agent RBC e) Proton-
electron. Answer: b) Antigen-antibody
◉ 5u g= a) 5 x 10€ b) 5 x 10-7 c) 5 x108 d) 5 x 109 e) 5 x 106.
Answer: d) 5 x 109
◉ In order to maintain an appropriate pH, the renal tubules secrete:
a) Hydrogen ions b) Glucose c) Bicarbonate d) Chloride e) Acetate.
Answer: a) Hydrogen ions
,◉ A chemical substance produced by microorganism, which inhibits
the growth of or kills other microorganisms is known as: a) Toxin b)
Antitoxin c) Vaccine d) Antibiotic e) Virus. Answer: d) Antibiotic
◉ Accuracy is the expression of: a) The reproductively of a method
b) The closeness of measurement to the true value c) The standard
deviation of a method d) The reliability e) None of the above.
Answer: b) The closeness of measurement to the true value
◉ In the medical lab, P.C. means: a) Before meal b) After meal c)
Police constable d) Post cibum e) b and d. Answer: e) b and d
◉ Buffer is: a) Weak acid or weak base with its salt b) Weak acid
with weak base c) The salt of a weak acid d) Weak acid with strong
base e) None of the above. Answer: a) Weak acid or weak base with
its salt
◉ pH can be defined as: a) The number of hydrogen molecules in the
solution b) The negative log of the concentration of hydrogen ions
C)The osmotic pressure of acid d) Very acidic e) Two of the
preceding. Answer: b) The negative log of the concentration of
hydrogen ions
◉ Which of the following anticoagulants will be used for cholesterol
tests? a) Heparin b) Oxalate c) Citrate d) Sequestrene e) None of the
above. Answer: e) None of the above
, ◉ If the name of a kind of bacterium ends in coccus, then the shape
of the individual bacterium is: a) Elongated b) Triangular c) Rod-
shaped d) Spherical e) Spiral. Answer: d) Spherical
◉ A toxin is a substance that: a) Can be destroyed by heat b) Is
produced by bacteria c) Kills bacteria d) Promotes metabolic rate e)
Two of the preceding. Answer: e) Two of the preceding
◉ The best verification of patient ID is: a) Last name-first name,
address b) Last name-first name, OHIP No. c) Last name-first name,
DOB d) Last name-first name, phone No. e) All of the above. Answer:
c) Last name-first name, DOB
◉ Which of the following is used in an acid fast staining procedure?
a) Neisser's Methylene blue b) Pararosaniline Methylene blue c)
Malachite green d) Ziehl-Neelsen's solution e) Safranin. Answer: d)
Ziehl-Neelsen's solution
◉ Thermolabile means: a) Affected by temperature b) Constant
temperature c) Heat resistant d) High quality thermometer e) None
of the above. Answer: a) Affected by temperature
