OSMT QUESTIONS AND ANSWERS (All
Correct Answers) QUESTION BANK
Glassware used to measure 24-hour urine volumes is a:
volumetric flask
beaker
Erlenmeyer cylinder
graduated cylinder
safety bulb
graduated cylinder
Glassware used to make 100 ml of a 12% solution is a:
volumetric flask
beaker
Erlenmeyer cylinder
graduated cylinder
safety bulb
Answer: a) volumetric flash
a suction device used to draw up liquids is a:
volumetric flask
beaker
Erlenmeyer cylinder
graduated cylinder
safety bulb
Answer: e) safety bulb
The pipette with a bulged-out portion in the middle is a:
Mohr pipette
pasture pipette
serological pipette
volumetric pipette
micro-pipette
Answer: d) volumetric pipette
Which piece of glassware would not give critical measurement:
volumetric flask
beaker
Erlenmeyer cylinder
graduated cylinder
safety bulb
Answer: b) beaker
,The durable material used to make heat resistant glassware is:
polyethylene
soda lime
polystyrene
borosilicate
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?
solution
solvent
solute
reagent
a&c
Answer: c) solute
The destruction of all micro-organisms including spores is called:
sanitation
antisepsis
sterilization
disinfection
asepsis
Answer: c) sterilization
A ug is a unit to describe:
time
volume
distance
weight
length
Answer: d) weight
A pH of 2 is _____ than a pH of 5:
1000 times more acidic
100 times more acidic
2 times less acidic
20 times less acidic
1000 times more acidic
Answer: e) 1000 times more acidic
Cells in a hypertonic solution will:
swell and burst
dehydrate
hemolyze
,not be affected
stop mitosis
Answer: b) dehydrate
The solution used to fix a pap smear is:
wright stain
hematoxylin
physiological saline
cytospray
methylene blue
Answer: d) cytospray
Blood for an RBC count must be prepared from:
EDTA blood
citrated blood
heparinized blood
oxalated blood
clotted blood
Answer: a) EDTA blood
Which reagent is not routinely used to preserve tissue in a life-like manner:
formic acid
Zenker's fluid
40% formaldehyde dissolved in water
Bouin's fluid
10% formalin
Answer: a) formic acid
Which piece of histology equipment is not temperature dependent:
wax
tissue processor
microtome
embedding center
water bath
Answer: c) microtome
A biopsy is:
a removal of biological fluid
the removal of an organ
a post mortem examination
excision of a representative tissue sample
a collection of blood
Answer: d) excision of a representative tissue sample
During tissue processing, what is the correct sequence of steps:
clearing, dehydration, infiltration
, clearing, infiltration, dehydration
dehydration, infiltration, clearing
dehydration, clearing, infiltration
embedding, sectioning, staining
Answer: d, dehydration, clearing, infiltration
Fixation is important in tissue processing because it:
prevents cell morphology changes and shrinkage
allows tissue to be examined in a life-like condition
facilitates the staining process
a&c
a, b, & c
Answer: e) a, b, & c
the liquid portion of blood remaining after a clot has formed is called:
the buffy coat
serum
plasma
lymph
tissue fluid
Answer: b) serum
Which test could not be performed on a serum sample:
iron
vitamin B12
total lipids
clotting factors
potassium
Answer: d) clotting factors
The shape of a normal erythrocyte is described as:
biconcave disc
spherocyte
polymorphonucleocyte
thin column
bull's eye
Answer: a) biconcave disk
Glucose results are correctly reported in:
g/mmol
mmol/L
g/L
g/ml
g/dl
Answer: b) mmol/L
Correct Answers) QUESTION BANK
Glassware used to measure 24-hour urine volumes is a:
volumetric flask
beaker
Erlenmeyer cylinder
graduated cylinder
safety bulb
graduated cylinder
Glassware used to make 100 ml of a 12% solution is a:
volumetric flask
beaker
Erlenmeyer cylinder
graduated cylinder
safety bulb
Answer: a) volumetric flash
a suction device used to draw up liquids is a:
volumetric flask
beaker
Erlenmeyer cylinder
graduated cylinder
safety bulb
Answer: e) safety bulb
The pipette with a bulged-out portion in the middle is a:
Mohr pipette
pasture pipette
serological pipette
volumetric pipette
micro-pipette
Answer: d) volumetric pipette
Which piece of glassware would not give critical measurement:
volumetric flask
beaker
Erlenmeyer cylinder
graduated cylinder
safety bulb
Answer: b) beaker
,The durable material used to make heat resistant glassware is:
polyethylene
soda lime
polystyrene
borosilicate
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?
solution
solvent
solute
reagent
a&c
Answer: c) solute
The destruction of all micro-organisms including spores is called:
sanitation
antisepsis
sterilization
disinfection
asepsis
Answer: c) sterilization
A ug is a unit to describe:
time
volume
distance
weight
length
Answer: d) weight
A pH of 2 is _____ than a pH of 5:
1000 times more acidic
100 times more acidic
2 times less acidic
20 times less acidic
1000 times more acidic
Answer: e) 1000 times more acidic
Cells in a hypertonic solution will:
swell and burst
dehydrate
hemolyze
,not be affected
stop mitosis
Answer: b) dehydrate
The solution used to fix a pap smear is:
wright stain
hematoxylin
physiological saline
cytospray
methylene blue
Answer: d) cytospray
Blood for an RBC count must be prepared from:
EDTA blood
citrated blood
heparinized blood
oxalated blood
clotted blood
Answer: a) EDTA blood
Which reagent is not routinely used to preserve tissue in a life-like manner:
formic acid
Zenker's fluid
40% formaldehyde dissolved in water
Bouin's fluid
10% formalin
Answer: a) formic acid
Which piece of histology equipment is not temperature dependent:
wax
tissue processor
microtome
embedding center
water bath
Answer: c) microtome
A biopsy is:
a removal of biological fluid
the removal of an organ
a post mortem examination
excision of a representative tissue sample
a collection of blood
Answer: d) excision of a representative tissue sample
During tissue processing, what is the correct sequence of steps:
clearing, dehydration, infiltration
, clearing, infiltration, dehydration
dehydration, infiltration, clearing
dehydration, clearing, infiltration
embedding, sectioning, staining
Answer: d, dehydration, clearing, infiltration
Fixation is important in tissue processing because it:
prevents cell morphology changes and shrinkage
allows tissue to be examined in a life-like condition
facilitates the staining process
a&c
a, b, & c
Answer: e) a, b, & c
the liquid portion of blood remaining after a clot has formed is called:
the buffy coat
serum
plasma
lymph
tissue fluid
Answer: b) serum
Which test could not be performed on a serum sample:
iron
vitamin B12
total lipids
clotting factors
potassium
Answer: d) clotting factors
The shape of a normal erythrocyte is described as:
biconcave disc
spherocyte
polymorphonucleocyte
thin column
bull's eye
Answer: a) biconcave disk
Glucose results are correctly reported in:
g/mmol
mmol/L
g/L
g/ml
g/dl
Answer: b) mmol/L
