PAPER LABORATORY PROCEDURES REVIEW
SHEET FULL SOLUTIONS
◉ The durable material used to make heat resistant glassware is: a)
Polyethylene b) Soda lime c) Polystyrene d) Borosilicate e) Polyvinyl
chloride. Answer: d) Borosilicate
◉ Solid crystals of potassium oxalate are added to distilled water in
a container. What term would describe the potassium oxalate? a)
Solution b) Solvent c) Solute d) Reagent e) Two of the preceding.
Answer: c) Solute
◉ Which piece of glassware could be used to obtain a critical
measurement? a) Mohr pipette b) Volumetric flask c) Florence flask
d) Serological pipette e) Micropipettor. Answer: b) Volumetric flask
◉ A ug is a unit to describe: a) Time b) Volume c) Distance d) Weight
e) Length. Answer: d) Weight
◉ A pH of 2 is -- a pH of 5. a) 1000 times less acidic than b) 100
times more acidic than c) Less acidic than d) 20 times less acidic
than e) 1000 times more acidic than. Answer: e) 1000 times more
acidic than
,◉ Blood cells in a hypertonic solution will: a) Swell and burst b)
Crenate c) Haemolyse d) Not be affected e) Stop mitosIs. Answer: b)
Crenate
◉ The solution used to fix pap smears is: a) Wright's stain b)
Hematoxylin stain c) Physiological saline d) Cytospray e) Methylene
blue stain. Answer: d) Cytospray
◉ Which specimen would not be tested in the cytology department?
a) Sputum culture b) Buccal smear c) Pleural aspirate d) Breast fluid
e) None of the above. Answer: a) Sputum culture
◉ Which reagent is routinely used to preserve tissue in a life -like
manner? a) Formic acid b) Zener's fluid c) 40 % formaldehyde
dissolved in water d) Bouin's fluid e) 10% formalin. Answer: e) 10%
formalin
◉ Which piece of equipment used in histology is not temperature
dependant? a) Cryostat b) Tissue processor c) Microtome d)
Embedding centre e) Waterbath. Answer: c) Microtome
◉ Biopsy is: a) Removal of a biological fluid b) Removal of an organ
c) A post mortem examination d) Excision of a small representative
,tissue sample e) Two of the above. Answer: d) Excision of a small
representative tissue sample
◉ During tissue processing, what is the correct sequence of steps? a)
Clearing, dehydration, infiltration b) Clearing, infiltration,
embedding c) Dehydration, infiltration, hydration d) Dehydration,
clearing, infiltration e) Embedding, sectioning, staining. Answer: d)
Dehydration, clearing, infiltration
◉ Fixation is an important step in tissue processing because: a) It
prevents cell morphology changes and shrinkage b) It allows tissue
to be examined in a life like condition c) It facilitates the staining
process d) Two of the above e) Three of the above. Answer: e) Three
of the above
◉ The liquid portion of blood remaining after a clot has formed is
called: a) Buffy coat b) serum c) plasma d) Lymph e) Fibrin. Answer:
b) serum
◉ Which test could not be performed on a serum sample? a) R-A
factor b) HDL/LDL c) Sodium d) Clotting factors e) Bilirubin.
Answer: d) Clotting factors
◉ The shape of a normal erythrocyte is described as: a) A biconcave
disk b) A sphere c) A polymorphonucleocyte d) A fish scale e) A thin
column. Answer: a) A biconcave disk
, ◉ The instrument used to automatically calculate the number of
RB's in a blood specimen is a/an: a) Erythrocytometer b) Incubator
c) Microscope d) Coulter counter e) Centrifuge. Answer: d) Coulter
counter
◉ If a patient refuses to have a venipuncture done, you should: a)
Tear up the requisition b) Collect a urine specimen instead c)
Politely ask the patient to come back next week d) Restrain the
patient and proceed with the venipuncture e) Notify the patients
physician. Answer: e) Notify the patients physician
◉ Which statement is false when performing a venipuncture? a) The
vein is entered at a 15-20 degree angle b) Tubes are pushed onto the
needle with the thumb of the strongest hand c) The bevel of the
needle is pointed up when entering the vein d) The tourniquet is
removed before withdrawing the needle e) The patients arm is
cleansed before palpating the vein. Answer: e) The patients arm is
cleansed before palpating the vein
◉ A sharp container is used to dispose of: a) Lancets b) Needles c)
Paper towels d) a and b e) All of the above. Answer: d) a and b
◉ Which needle gauge is the smallest is size? a)18 b) 20 c) 21 d) 22
e) 23. Answer: e) 23