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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. - โ โ E) not affected.
A hematoma may result from all of the following, EXCEPT:
A) needle removal while tourniquet is still tied. B) failure to apply adequate pressure after venipuncture c) failure of needle to enter the vein. D) partial insertion of needle into the vein.
E) excessive probing. - โ โ c) failure of needle to enter the vein. 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 - โ โ A) Level 1 biosafety cabinet. An electrocardiograph machine is used to record the
A) electrical activity of the brain. B) electrical activity of the heart. C) electrical activity of the lungs. D) presence of electrolytes.
E) electrical activity of the electrodes. - โ โ B) electrical activity of the heart. 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
c) 370C D) 40ยฐC E) 42ยฐC - โ โ E) 42ยฐC
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 - โ โ B) A yellow colouring of the skin due to liver disorders A volumetric flask that is calibrated at 20ยฐC would be expected to contain more volume if the:
A) laboratory temperature is 18ยฐC 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. - โ โ 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 - โ โ 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 - โ โ 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.
For a 3-hour GTT, the Iaboratory assistant/technician would collect:
a) a hour blood sample, a 2-hour blood sample, and a 3-hour blood sample. b) a fasting blood sample, a 1-hour blood sample, a 2-hour blood sample, and a 3-hour blood sample. c) a fasting blood and urine sample, a 1-hour blood sample, a 2- hour blood sample, and a 3-hour blood sample. d) a fasting blood and urine sample, a -hour blood and urine sample, a 2-hour blood sample, and a 3-hour blood sample. e) a fasting blood and urine sample, a 1-hour blood and urine sample, a 2-hour blood and urine sample, and a 3-hour blood and urine sample. - โ โ c) a fasting blood and urine sample, a 1- hour blood sample, a 2-hour blood sample, and a 3-hour blood sample.
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. - โ โ e) delayed in transit for 6 hours. 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 - โ โ C) time received in the laboratory. Which of the following is a surrogate test that is used to detect donors at high risk for transmitting transfusion-related disease?
a) ะะตัatitis b) HIV c) CMV d)Malaria
e) Syphilis - โ โ e) Syphilis Which of the following is a transfusion science test?
A fecal sample for culture and sensitivity is collected:
a) by clean catch. b) by sterile transfer. c) by septic transfer. d) by aseptic technique. e) by antiseptic technique. - โ โ d) by aseptic technique.
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 - โ โ e) RBCS and WBCS from plasma and serum A physician in the ER performs a lumbar puncture on a patient. Which of the following tests are likely to be ordered?
A) Glucose, protein, Gram's stain, cell count B) INR, Urea, lytes, creatinine
C) Group and screen and crossmatch D) AST, ALT, Alk. Phos E) CBC, PT, PTT - โ โ A) Glucose, protein, Gram's stain, cell count 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. - โ โ E) an unsealed container with a Miscellaneous Dangerous Goods label. Which of the following plated media is enriched?
A) MacConkey Agar B) Chocolate Agar C) Blood Agar D) Thayer Marten Agar
A) Coughing or gagging B) Noisy or painful breathing C) No chest movement D) Inability to speak
E) Decreased level of consciousness - โ โ C) No chest movement The laboratory assistant/technician must wear gloves to do all of the following, EXCEPT:
A) handle clinical specimens. B) handle human tissue specimens. ั) engage in procedures that involve direct skin contact with biological specimens. D) process clinical specimens. E) perform phlebotomies. - โ โ E) perform phlebotomies.
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 - โ โ A) May cause environmental damage from fumes Which hazard is matched to the hazard symbol below?
A) May cause permant injury or death ะฒ) May release toxic vapours C) May react with water D) May ignite spontaneously E) Includes fluids containing toxic products - โ โ A) May cause permant injury or death 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 - โ โ A) Level 1 biosafety cabinet.
B) 123-137 g/L C) 124-136 g/L D) 125-135 g/L
E) 126-134 g/L - โ โ 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. - โ โ C) measure of the departure from accuracy.
A volumetric flask that is calibrated at 20ยฐC would be expected to contain more volume if the:
A) laboratory temperature is 18ยฐC 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. - โ โ 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) E) 15 - โ โ 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 - โ โ 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.
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 - โ โ A) 2.1-4.2 mmol/L A patient's coagulation testing results include an INR of 2.0, PT of 18.0 seconds, and PTT of 65 seconds. A physician calling for the results should be
A) given only the results of the PT and PTT B) given the results of the PT, PTT and INR C) referred to a technologist because the results are critical D) given only the results of the PTT. E) given only the results of the INR and PTT - โ โ E) given only the results of the INR and PTT Which of the following is most likely found in combination with a high serum creatinine result?
A) High urea B) Low urea C) Normal urea
D) High chloride E) Low cholride - โ โ A) High urea
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 - โ โ B) Recheck level every 5 years The calculation of the anion gap is useful for the quality control of:
A) calcium. B) magnesium. C) electrolytes. D) phosphorus. E) urea. - โ โ C) electrolytes.
Of the values in a CBC that an analyser measures or calculates, which of the following is a calculated value?
A) Hemoglobin
