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MLPAO MOCK EXAM ACTUAL
QUESTIONS AND ANSWERS WITH COMPLETE
SOLUTION
"When dangerous goods are prepared for transporting, the package must be marked with all of the following EXCEPT the: A) UN number. B) date the sample(s) shipped. C) amount of dry ice in kilograms. D) quantity of the sample(s) in grams.
E) name of the person shipping the sample(s) - CORRECT ANSWER C) amount of dry ice in kilograms."
"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 - CORRECT ANSWER A) Level 1 biosafety cabinet."
"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 - CORRECT ANSWER A) Level 1 biosafety cabinet."
"Which of the following blood products is kept in a-20 degree Celsius freezer? A) Cryoprecipitate B) Cryoglobulin C) Immune globulin D) Albumin 5%
E) Albumin 25% - CORRECT ANSWER A) Cryoprecipitate"
"Which of the following clinical signs indicates that a person is choking and has complete airway obstruction? A) Coughing or gagging B) Noisy or painful breathing C) No chest movement D) Inability to speak
E) Decreased level of consciousness - CORRECT ANSWER C) No chest movement"
"Which of the following is the proper order of collection for drawing blood into collection tubes? a) Sterile blood culture specimens followed by specimens that require EDTA b) Sterile blood culture specimens followed by specimens that require no additives c) Sterile blood culture specimens followed by specimens for coagulation studies d) Specimens for coagulation studies followed by sterile blood culture specimens e) Specimens that
require EDTA followed by specimens for coagulation studies - CORRECT ANSWER c) Sterile blood
culture specimens followed by specimens for coagulation studies" "Which of the following occurs in DNA replication? A) Adenine pairs with guanine B) Cytosine pairs with thymine C) Cytosine pairs with guanine D) Adenine pairs with uracil
E) Adenine pairs with cysteine - CORRECT ANSWER C) Cytosine pairs with guanine"
"Which risk is NOT associated with the following WHMIS symbol? A) May cause environmental damage from fumes B) May react with water C) May be chemically unstable D) May burn unexpectedly
E) May explode if exposed to shock or heat - CORRECT ANSWER A) May cause environmental damage
from fumes" "While performing an ECG on a hospital inpatient, the laboratory assistant/technician notices an extra beat on the rhythm strip. What should the assistant/technician do? A) Use the hospital paging system to page the cardiologist. B) Inform the patient of the extra beat and move on to the next patient. C) Inform the patient that there is a problem and call for assistance. D) Inform the patient of the extra beat and suggest the patient consult his/her doctor.
E) Inform the nursing station staff and request the patient's nurse review the results. - CORRECT
ANSWER E) Inform the nursing station staff and request the patient's nurse review the re"
"A test for liver function is found to detect impairment in 30% of patients with disease. This test shows: A) poor accuracy B) low sensitivity C) poor reproducibility. D) high predictivity
E) high specificity - CORRECT ANSWER B) low sensitivity"
"A urine specimen for routine bacteriology would be collected in a container that contains: A) acetone. B) alcohol. c) fixative. D) transport media
E) unfixed. - CORRECT ANSWER E) unfixed."
"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. -
CORRECT ANSWER C) liquid is heated before measurement."
"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. - CORRECT ANSWER C) liquid is heated before
measurement." "After the Holter monitor has been properly connected to the patient, the laboratory assistant/technician must properly instruct the patient to do which of the following? A) Lie still and not talk while the procedure is taking place. B) Remove all leads prior to bathing. c) Keep an accurate diary of activities, emotional states and symptoms. D) Start an exercise program that includes cardiovascular activity.
E) Remove the monitor and return to facility after 24 hours. - CORRECT ANSWER c) Keep an accurate
diary of activities, emotional states and symptoms." "An ECG is performed on a patient by connecting leads to the patient's
A) Chest, arms and legs B) Head, arms and legs C) Head, neck and arms D)Feet, neck and arms
E) Feet, head and arms - CORRECT ANSWER A) Chest, arms and legs"
"An ECG requires that electrodes are attached to the patient's skin on which of the following? A) Chest, head and abdomen B) Chest, abdomen and legs C) Chest, arms and legs D Arms, head and abdomen
E) Arms, legs and head - CORRECT ANSWER C) Chest, arms and legs"
"An electrocardiogram is accurately described as a test that: A) Records the activity of the heart B) Uses ultrasound waves to examine the heart c) Shows the flow of blood to the heart muscle D) Uses a small device called a transducer
E) Consists of two catheters inserted into the arterial system - CORRECT ANSWER A) Records the
activity of the heart" "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 - CORRECT ANSWER D) instrument used to record the
heart's electrical activity" "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 - CORRECT ANSWER D) instrument used to record the
heart's electrical activity" "An electrocardiograph machine is used to record the
E) allowed to dry prior to coverslipping. - CORRECT ANSWER D) allowed to dry prior to staining."
"Cytology smears must remain in the fixative for: A) 3 min. B) 5 min. C) 10 min. D) 15 min.
E) 30 min. - CORRECT ANSWER D) 15 min."
"Distilled water meets the specifications for all of the following EXCEPT: A) Type II water B) CO no microbiological organisms. C) no carbon dioxide. D) Type IIl water.
E) no iron. - CORRECT ANSWER C) no carbon dioxide."
"If radioactive capsules or beads are spilled, they may be: A) sprinkled with desiccant. B) picked up with forceps. C) picked up with tissue. D) picked up with a regular broom and dustpan.
E) left if spill is small, as capsules/beads will dissolve. - CORRECT ANSWER B) picked up with forceps."
"If the laboratory assistant/technician wants complete and rapid clotting to occur in a vacutainer tube that contains clot activators, then once the blood is obtained, the assistant/technician should invert the tube: A) once. B) twice. с) three times. D) four times.
E) five times. - CORRECT ANSWER E) five times"
"In a chain of custody situation, all of the following are required EXCEPT: A) patient's doctor. B) name of the person collecting the sample. c) time of specimen collection. D) type of specimen collected.
E) location of specimen storage. - CORRECT ANSWER A) patient's doctor."
"In which class of dangerous goods are radioactive materials placed? A) 8 B) 7 c) 5 D) 3
E) 2 - CORRECT ANSWER B) 7"
"Infectious substances are divided into how many risk groups? A) 10 B) 7 C) 4 D) 3
E) 2 - CORRECT ANSWER C) 4"
"Laboratory specimens are labelled with all of the following EXCEPT: A) patient's name. B) date and time of collection. C) time received in the laboratory. D) source of specimen.
E) patient's identification - CORRECT ANSWER C) time received in the laboratory."
"Misidentifying the patient, which can lead to confusionof patients samples and possibly a wrong diagonsis and perhaps death, is considered: A) Assault B) Negligence с) Battery D) A subpoena
E) Misdemeanor - CORRECT ANSWER B) Negligence"
"Protection from non ionizing radiation includes: A) goggles and gloves. B) lead shield. c) biosafety cabinet. D) fume hood.
E) all of the above. - CORRECT ANSWER A) goggles and gloves"
"The acronym 'LD' refers to an element of which of the following profile types?
A Recapping the needle B) Wrapping the uncapped needle in a autoclave bag C) Discarding it in the nearest garbage can D) Placing the uncapped needle and plastic holder in a ridgid biohazard container
E) Recapping and placing in ridgid biohazard container - CORRECT ANSWER D) Placing the uncapped
needle and plastic holder in a ridgid biohazard container" "The laboratory rejects a specimen for INR testing because the specimen is in an evacuated tube with a light blue top and the specimen is: a) separated. b) spun down for 10 minutes c) refrigerated for 1 hour before being tested. d) filled three-quarters full.
e) delayed in transit for 6 hours. - CORRECT ANSWER e) delayed in transit for 6 hours."
"The shipment of dry ice is considered minor danger and falls within packing group: A) 1 B) 2 C) 3 D) 4
E) 5 - CORRECT ANSWER C) 3"
"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. - CORRECT ANSWER C) measure of the
departure from accuracy." "The Transportation of Dangerous Goods Act requires packages that contain dry ice be shipped in: A) a sealed container with a Dangerous Goods label only. B) a sealed container with a Miscellaneous Dangerous Goods label. c) a sealed container with absorbent material and a Dangerous Goods label. D) an unsealed container with absorbent material and a Dangerous Goods label.
E) an unsealed container with a Miscellaneous Dangerous Goods label. - CORRECT ANSWER E) an
unsealed container with a Miscellaneous Dangerous Goods label." "The Transportation of Dangerous Goods Regulation requires all of the following when shipping potentially dangerous substances, EXCEPT:
A) a completed "shippers declaration" document that accompanies a package. B) emergency contact information. C) specific package labeling and required hazard symbols. D) an inclusion of "dry ice" in a sealed container.
E) specific packaging that consists of leak-proof containers. - CORRECT ANSWER D) an inclusion of "dry
ice" in a sealed container." "Two stain solutions routinely used in the Papanicolaou stain are A) Hematoxylin and Congo Red B) Orange G and Prussian Blue C) Hematoxylin and Eosin-Azure (EA) D) Methylene Blue and Bizmarck Brown Y
E) Fast Green FCF and Sudan Black - CORRECT ANSWER C) Hematoxylin and Eosin-Azure (EA)"
"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 - CORRECT ANSWER E) 126-134 g/L"
"What does an electrocardiogram or ECG record? A) Electrical activity of the brain B) Electrical activity of the heart C) Flow of blood through the brain D) Flow of blood through the heart
E) Sounds produced by the heart - CORRECT ANSWER B) Electrical activity of the heart"
"What does FOB test detect? A) Viruses B) Glucose c) Cancer D) Parasite
E) Cold agglutinin - CORRECT ANSWER c) Cancer"
“A coagulation specimen for prothrombin time assay that is unopened and stored at 18-24°C must be tested after collection within a MAXIMUM of: A) 1.5 hours.
A) Filtered water B) Distilled water C) De-ionized water D) Double distilled water (DDH,O)
E) Clinical Laboratory Reagent Water (CLRW) - CORRECT 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. - CORRECT ANSWER E) not affected."
"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. - CORRECT ANSWER E) not affected."
"What is the function of the gel separator in an evacuated blood collection tube? a) RBCS from WBCS b)buffy coat from plasma c) RBCS and WBCS from buffy coat d) plasma from serum
e) RBCS and WBCS from plasma and serum - CORRECT ANSWER e) RBCS and WBCS from plasma and
serum" "What is the maximum time a urine sample can be refrigerated without affecting bacterial flora? A) 2 hours B) 5 hours C) 8 hours D) 12 hours
E) 24 hours - CORRECT ANSWER E) 24 hours"
"What is the normal reference range for CSF glucose in an adult? A) 2.1-4.2 mmol/L
B) 3.5 5.7 mmol/L C) 6.0 -10.0 mmol/L D) 8.0 12.0 mmol/L
E) 12.0 14.0 mmol/L - CORRECT ANSWER A) 2.1-4.2 mmol/L"
"What is the optimum pH of the phosphate buffer utilized in the Romanowsky stain? A) 6. B) 6. C) 7. D) 7.
E) 7.4 - CORRECT ANSWER B) 6.4"
"What is the purpose of the catalyst in an anaerobic jar? A) Keeps excessive condensation from forming B) Combines residual oxygen with hydrogen to form water C) Keeps toxic levels of carbon dioxide from building up D) Provide a humid atmosphere for the bacteria
E) None of the above - CORRECT ANSWER B) Combines residual oxygen with hydrogen to form water"
"What is the recommended action required for patient with a cholesterol level of 3.5 mmol/L? A) Dietary control and recheck level annually B) Recheck level every 5 years C) Treatment with drugs D) Determine level of LDL and initiate stringent dietary program
E) Hospitalize patient immediately - CORRECT ANSWER B) Recheck level every 5 years"
"What is the reference range for total thyroxine (T4) in S.I. units? A) 5- B) 20- c) 30- D) 45-
E) 55-155 - CORRECT ANSWER E) 55-155"
"What percentage of values fall within +/- 2 SD of a mean in a normal Guassian distribution? A) 0. B) 0. c) 0. D) 0.
E) 0.99 - CORRECT ANSWER c) 0.95"
"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 - CORRECT ANSWER C) 5"
"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)
E) 15 - CORRECT ANSWER C) 5"
"When sending out a category B frozen sample, all the following are needed EXCEPT: A) a Class 6.2 sticker B) a Class 9 sticker. c) the weight of dry ice used. D) a shippers declaration.
E) a UN number. - CORRECT ANSWER D) a shippers declaration."
"When using thermometers which statement is NOT correct? A) The size is important. B) Calibration must be verified. c) Either alcohol or mercury is used as the indicator. D) Temperature is monitored.
E) Records must be kept. - CORRECT ANSWER c) Either alcohol or mercury is used as the indicator."
"When using thermometers which statement is NOT correct? A) The size is important. B) Calibration must be verified. c) Either alcohol or mercury is used as the indicator. D) Temperature is monitored.
E) Records must be kept. - CORRECT ANSWER c) Either alcohol or mercury is used as the indicator."
"Which electrodes are used for Lead lI?
A) LA and LL B) RA and LL C) LA and RA D) RL and LL
E) RA and RL - CORRECT ANSWER B) RA and LL"
"Which hazard is matched to the hazard symbol below? A) May cause permant injury or death в) May release toxic vapours C) May react with water D) May ignite spontaneously
E) Includes fluids containing toxic products - CORRECT ANSWER A) May cause permant injury or
death" "Which of the following definitions best defines the term "jaundice"? A) A rash found specifically in newborns B) A yellow colouring of the skin due to liver disorders C) A reddish colouring of the skin due to myocardial infarction D) A condition caused by increased cholesterol
E) A Ccondition associated with bone disease - CORRECT ANSWER B) A yellow colouring of the skin
due to liver disorders" "Which of the following describes an abnormal increase in the number of white blood cells? A) Polycythemia B) Thrombocytosis c) Leukopenia D) Leukocytosis
E) Thrombocytopenia - CORRECT ANSWER D) Leukocytosis"
"Which of the following incubation conditions is used to grow common pathogenic Campylobacter sp. from stool specimens? A) Microaerophilic, 42° B) Microaerophilic, 35-37°C c) Anaerobic, 42°C D) Aerobic, 35-37°C
E) Anaerobic, 35-37°C nurnoco of troncnort - CORRECT ANSWER A) Microaerophilic, 42°"
A) Inhibit bacterial growth B) Enhance bacterial growth c) Sustain bacterial growth D) Fixation of the specimern
E) Nourish the bacteria in the specimen - CORRECT ANSWER c) Sustain bacterial growth"
"Which of the following items is NOT found in cryoprecipitate? a) Factor 1 b) Factor V c) Factor VIII d) Factor XII
e) Fibrinogen - CORRECT ANSWER b) Factor V"
"Which of the following laboratory tests can be taken using an EDTA vacutainer tube? A) INR B) Electrolytes c) Glucose D) Fibrinogen
E) ESR - CORRECT ANSWER E) ESR"
"Which of the following plated media is enriched? A) MacConkey Agar B) Chocolate Agar C) Blood Agar D) Thayer Marten Agar
E) Muller Hinton Agar - CORRECT ANSWER B) Chocolate Agar"
"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 - CORRECT ANSWER C) Alkaline solution"
"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 - CORRECT ANSWER C) Alkaline solution"
"Which of the following should NOT be ingested when a patient is collecting a sample for occult blood? A) Vitamin D В) Acetaminophen c) Apples D Chicken
E) Alcohol - CORRECT ANSWER E) Alcohol"
"Which of the following tests performed on donor packed cells is the most important in the prevention of an immediate hemolytic transfusion reaction? A) Lewis В) АВО C) Kel D) Rh
E) MNS - CORRECT ANSWER В) АВО"
"Which of the following vacutainer additives causes the most carryover problems? A) EDTA B) Lithium heparin C) Sodium citrate D) Sodium heparin
E) Potassium oxalate - CORRECT ANSWER A) EDTA"
"Which risk is NOT associated with the following WHMIS symbol? A) May cause environmental damage from fumes B)May react with water C) my be chemically unstable D) May burn unexpectedly
E) may explode if exposed to shock or heat - CORRECT ANSWER A) May cause environmental damage
from fumes" "While drawing blood, the phlebotomist should release the tourniquet: A) just before the needle is inserted into the arm.
