Notes in HEMA LEC MIDTERMS::HEMA LEC Midterms: LEC 1

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Published	09/19/2024	- most common test performed in the hematology section- used to assess patient conditions such as infections and malignancy
Published	09/19/2024	principles used by the automated hematology analyzer (2)
Published	09/19/2024	red cell parameters (3)
Published	09/19/2024	what are the RBC indices
Published	09/19/2024	count that uses percentages
Published	09/19/2024	count that uses the actual value
Published	09/19/2024	factors that may affect red cell parameters
Published	09/19/2024	what is performed using a hemacytometer
Published	09/19/2024	most common counting chamber
Published	09/19/2024	depth of counting chamber
Published	09/19/2024	how many large squares are there in the counting chamber
Published	09/19/2024	what is the size of each large square
Published	09/19/2024	area of 16 intermediate squares in 1 large square
Published	09/19/2024	size of intermediate central squares
Published	09/19/2024	size of tiny squares
Published	09/19/2024	how many tiny squares are in the central square?
Published	09/19/2024	- dertermination of the RBCs present in 1uL of blood
Published	09/19/2024	most used anticoagulant for RBC count
Published	09/19/2024	what tool is used in counting the total number of cells in RBC count
Published	09/19/2024	pipette used in RBC count
Published	09/19/2024	- facilitates the proper mixing of blood and diluting fluid in the thoma pipette
Published	09/19/2024	dilution range for RBC thoma pipette
Published	09/19/2024	procedure in RBC count (4)
Published	09/19/2024	standard dilution of RBC count
Published	09/19/2024	in RBC count, draw the blood to ____, and aspirate diluent up to ____
Published	09/19/2024	RBC diluting fluid should be ______- to prevent shrinkage and burst of cells
Published	09/19/2024	identify RBC diluting fluid:- aka formol citrate- best diluent- keeps for a long time- does not alter the shape of the cell- 40% formaldehyde, 3% w/v …
Published	09/19/2024	identify RBC diluting fluid- not recommended- allows the growth of yeast- provides clumping of cells- can stand for long periods of time- has no corro…
Published	09/19/2024	identify RBC diluting fluid:- composed of: mercuric chloride, sodium sulfate anhydrous, 10g crystalline Na2SO4, H2O, Sodium chloride, distilled water
Published	09/19/2024	identify RBC diluting fluid:- prevents rouleaux formation- precipitates protein in hemoglobinuria and hyperglobulinemia- composed of: sodium sulfate a…
Published	09/19/2024	identify RBC diluting fluid:- has high specific gravity- stains WBC- suports the growth of fungi- composed of: sodium chloride, sodium sulfate, glycer…
Published	09/19/2024	identify RBC diluting fluid:- composed of: sodium sulfate, sodium chloride, glycerin, sodium merthriolate (1:1000), distilled water
Published	09/19/2024	identify RBC diluting fluid:- used in emergency cases, presence of rouleaux formation, and agglutination of cells- stable and serves as preservative- …
Published	09/19/2024	identify RBC diluting fluid- composed of: 3.8 grams of sodium citrate
Published	09/19/2024	what sample of the diluted mixture is transferred to counting chamber
Published	09/19/2024	overflow of cells that can lead to false decreases
Published	09/19/2024	in charging the counter chamber, what should be discarded?
Published	09/19/2024	what objective should you use in the RBC count
Published	09/19/2024	in what squares should you count RBCs
Published	09/19/2024	- cells that are touching the boundary of the innermost and middle line wall is counted on the upper corner lines- those touching the inverted L will …
Published	09/19/2024	increased or decreased RBC count? dehydration
Published	09/19/2024	increased or decreased RBC count? hydration
Published	09/19/2024	increased or decreased RBC count? exercise or excitement
Published	09/19/2024	higher or lower RBC counts? children
Published	09/19/2024	higher or lower RBC counts? women
Published	09/19/2024	higher or lower RBC counts? individuals living at high altitudes
Published	09/19/2024	increases erythrocyte count (3)
Published	09/19/2024	decreases erythrocyte count (2)
Published	09/19/2024	- determination of the WBCs present in 1uL of blood
Published	09/19/2024	- similar to red cell pipette except bulb is smaller, bore is larger, and mark at the short limb is 11
Published	09/19/2024	for WBC thoma pipette method: suck blood to ____mark, and diluting fluid to _____ mark
Published	09/19/2024	diluent used in WBC thoma pipette method should be ______
Published	09/19/2024	diluent used in WBC thoma pipette method should ________ the nuclei of WBCs
Published	09/19/2024	composition of diluent in WBC count- 2-3% __________1% ______ added with 1 drop of _______
Published	09/19/2024	dilution for WBC count
Published	09/19/2024	dilution range for WBC count
Published	09/19/2024	- determines if you precisely performed the counting- if you do not meet this, your counting will be invalid and must be repeated
Published	09/19/2024	what portion of the hemacytometer should you perform WBC count
Published	09/19/2024	using what power objective should you locate and scan the ruled area in WBC count
Published	09/19/2024	increase or decrease WBC count? overcharging
Published	09/19/2024	allow the counting chamber to stand for at least ________ after charging
Published	09/19/2024	allowable difference for RBCs
Published	09/19/2024	allowable difference for WBCs
Published	09/19/2024	dilution variation for leukopenia
Published	09/19/2024	dilution variation for leukocytosis
Published	09/19/2024	hourly rhythm of number of WBCs:low level: ______higher: ______
Published	09/19/2024	causes increase in WBC count (2)
Published	09/19/2024	highest peak of WBC count
Published	09/19/2024	how many NRBCs should be present for correction of WBC count
Published	09/19/2024	WBCs are characterized and differentiated according to ______
Published	09/19/2024	principle of WBC differential count: stained blood smear is scanned microscopically to:- estimate _______________- classify leukocytes into __________…
Published	09/19/2024	specimen requirements for WBC differential count
Published	09/19/2024	what is the fixative in WBC differential count
Published	09/19/2024	what is the primary stain in WBC differential count
Published	09/19/2024	what is the secondary stain in WBC differential count
Published	09/19/2024	what is used to wash out excess stain in WBC differential count
Published	09/19/2024	microscope used in WBC differential count
Published	09/19/2024	facilitates and organizes the number of cells you observe in WBC differential count
Published	09/19/2024	generally used stain in differential leukocyte count
Published	09/19/2024	routinely used stain in differential leukocyte count
Published	09/19/2024	stain used in searching for malarial parasites
Published	09/19/2024	true or false? you should put water directly on the smear when washing
Published	09/19/2024	in what area of the smear should you perform differential leukocyte count?
Published	09/19/2024	note and report what during the differential leukocyte count
Published	09/19/2024	miscellaneous non-leukocyte abnormal cells
Published	09/19/2024	criteria for leukocyte identification (4)
Published	09/19/2024	identify
Published	09/19/2024	identify
Published	09/19/2024	identify
Published	09/19/2024	identify
Published	09/19/2024	identify
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Published	09/19/2024	- gives the number of specific WBC type per cubic millimeter of blood- more informative than relative count
Published	09/19/2024	-squashed, distorted lymphocytes-accumulated white cells-smudge cells-disintegrated or ruptured cells-poorly stained leukocytes-precipitated stain
Published	09/19/2024	what should be performed when the leukocyte numbers is in excess of 35.0 x 10^9/L
Published	09/19/2024	what should be used if the WBC count is less than 1.0 x 10^9/L
Published	09/19/2024	- the number of platelets in 1L or 1mL of whole blood
Published	09/19/2024	where are the platelets counted in the hemacytometer
Published	09/19/2024	what microscope is used in platetlet count
Published	09/19/2024	reference method used in platelet count
Published	09/19/2024	manual, indirect methods of platelet counting
Published	09/19/2024	manual, direct methods of platelet counting (2)
Published	09/19/2024	electronic methods of platelet counting
Published	09/19/2024	method of platelet counting:- collected sample in reservoir- diaphragm is punctured by pipette to facilitate flow of sample to counting chamber
Published	09/19/2024	reasons why platelets are hard to count- easily _______- because of very small _______- easily ______- ____________ of blood
Published	09/19/2024	platelets could be mistaken for?
Published	09/19/2024	sources of error in platelet conting- error in ___________- _________'s error- error in ______ and _______- ________ error or field error
Published	09/19/2024	causes of platelet clumping- initiation of _______________- clotting _______ the blood reaches the anticoagulant- imperfect ______________- ________ i…
Published	09/19/2024	lower or higher platelet count? at birth
Published	09/19/2024	platelet count may fall during when?
Status	Last Update	Fields