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OSMT REVIEW QUESTIONS AND ANSWERS
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OSMT REVIEW QUESTIONS AND ANSWERS
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OSMT REVIEW QUESTIONS ANDANSWERS
What glassware is used to measure 24 hour urine volumes? - Answer -A graduated
cylinder
What glassware is used to make 100 mL of a 12 % solution ? - Answer -A volumetric
flask
A suction device used to draw up liquids is called a ? - Answer -Safety Bulb
The pipette with a bulged out portion in the middle is called ? - Answer -A volumetric
pipette
Which piece of glassware would not give critical measurements? - Answer -A beaker
What durable material is used to make heat resistant glassware? - Answer -Borosilicate
The destruction of all micro- organisms including spores is called - Answer -Sterilization
A pH of 2 is _______ then a pH of 5 - Answer -1000 times more acidic
Cells in a hypertonic solution will - Answer -Dehydrate
The solution used to fix a pap smear is ? - Answer -Cytospray
Blood for an RBC count must be prepared from ? - Answer -EDTA blood
A biopsy is ? - Answer -An excision of a representative tissue sample
During tissue processing, what is the correct sequence of steps ? - Answer -
Dehydration , clearing, infiltration
Fixation is important in tissue processing because it ? - Answer -Prevents cell
morphology changes and shrinkage , allows tissue to be examined in a life like
condition, and facilitates the staining process
, The liquid portion of blood remaining after a clot has form is called ? - Answer -Serum
The test that could not be performed on a serum sample is ? - Answer -Clotting Factors
What is the shape of a normal erythrocyte ? - Answer -A bioconcave disc
If a patient refuses to have a blood sample drawn what should you do ? - Answer -Notify
the patient's physican
The vacutainer tube which is used to collect and separate serum is ? - Answer -SST
If a patient faints during a venipuncture you should? - Answer -Remove the needle and
attend to the patient
A blood specimen collected in a heparinized tube is centrifuged will seperate into -
Answer -Plasma, buffy coat , RBC
Hemolysis can result from ? - Answer -Vigorously shaking the blood specimen , leaving
the tourniquet on for too long
Which test requires a Westergreen tube? - Answer -ESR
What is the purpose of doing a differential ? - Answer -To determine the proportions of
WBC's in whole blood
An automated hematology cell counter uses the principle of ? - Answer -Changes in cell
electrical currents
The purpose of heat fixing a bacterial smear is to ? - Answer -Prevent cells from being
washed off during staining
What is the correct sequence of steps on the gram stain procedure ? - Answer -Primary
Stain, Mordant, Decolorizing, Counterstain
Which gram stain reagent acts as a mordant to bind the stain to the bacteria ? - Answer
-Gram Iodine
Susceptibility testing is done to? - Answer -Identify the appropriate antibiotic needed to
kill the organism
What is the autoclave set at ? - Answer -121 C for 15 min @ 15 p.s.i
A 1/6 dilution of serum in H2O was made. The glucose result was 4.0 mmol/L . What
was the resported result? - Answer -24.0 mmol/L
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