/.2 SD from the mean includes ? - Answer-95 % of values
/.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
/.A 1/8 dilution of urine is ? - Answer-1 part urine and 7 parts water
/.A biopsy is ? - Answer-An excision of a representative tissue sample
/.A blood specimen collected in a heparinized tube is centrifuged will seperate into -
Answer-Plasma, buffy coat , RBC
/.A pH of 2 is _______ then a pH of 5 - Answer-1000 times more acidic
/.A suction device used to draw up liquids is called a ? - Answer-Safety Bulb
/.An automated hematology cell counter uses the principle of ? - Answer-Changes in
cell electrical currents
/.Before performing a R & M on a specimen, the urine should be ? - Answer-Brought to
room temperature and well mixed
/.Blood for an RBC count must be prepared from ? - Answer-EDTA blood
/.Blood taken from arterial or venous blood gases is ? - Answer-Collected in a dark
green tube, put on ice and performed STAT
/.Buffy coat is made up of ? - Answer-WBCs and platelets
/.Cells in a hypertonic solution will - Answer-Dehydrate
/.Convert 41 degrees C to F - Answer-105.8 F
/.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
, /.Hemolysis can result from ? - Answer-Vigorously shaking the blood specimen , leaving
the tourniquet on for too long
/.Hemolysis is ? - Answer-The destruction of erythrocytes to release hemoglobin
/.How does EDTA prevent clotting ? - Answer-By binding calcium ions
/.How many grams of NaCl are needed to make 300mL of a 2% solution ? - Answer-6
grams
/.How will drawing a small amount of blood in the EDTA tube affect the spun hematocrit
value ? - Answer-Create a falsely decreased value
/.If a patient faints during a venipuncture you should? - Answer-Remove the needle and
attend to the patient
/.If a patient refuses to have a blood sample drawn what should you do ? - Answer-
Notify the patient's physican
/.Susceptibility testing is done to? - Answer-Identify the appropriate antibiotic needed to
kill the organism
/.The destruction of all micro- organisms including spores is called - Answer-Sterilization
/.The liquid portion of blood remaining after a clot has form is called ? - Answer-Serum
/.The pipette with a bulged out portion in the middle is called ? - Answer-A volumetric
pipette
/.The purpose of heat fixing a bacterial smear is to ? - Answer-Prevent cells from being
washed off during staining
/.The shape of a normal erythrocyte is described as ? - Answer-A bioconcave disc
/.The solution used to fix a pap smear is ? - Answer-Cytospray
/.The test that could not be performed on a serum sample is ? - Answer-Clotting Factors
/.The test the counts the number of immature RBCs is the ? - Answer-Retic count
/.The vacutainer tube which is used to collect and separate serum is ? - Answer-SST
/.What does lactose tolerance testing establish ? - Answer-Diagnoses a patients inability
to digest milk sugar, and will diagnose enzyme deficiency