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Hematology

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (24)

#1
Front (Question)

Liquid portion of unclotted blood

Back (Answer)

Plasma

#2
Front (Question)

Effective concentration of EDTA in evacuated tubes

Back (Answer)

1-2 mg/mL (1-2 g/L) of blood

#3
Front (Question)

Anticoagulant for cardiopulmonary bypass, seen in OPEN HEART SURGERY

Back (Answer)

Heparin

#4
Front (Question)

Anticoagulant used for platelet studies

Back (Answer)

Sodium citrate

#5
Front (Question)

Ratio of citrate anticoagulant to blood

Back (Answer)

1:9

#6
Front (Question)

Complement dependent test cannot be performed on _____ blood

Back (Answer)

Anti-coagulated

#7
Front (Question)

The higher the gauge, the _____ the diameter of the needle

Back (Answer)

Smaller

#8
Front (Question)

Avoid using the arm with fistula or cannula for venipuncture due to possibility of _____ or _____

Back (Answer)

Infection or clotting

#9
Front (Question)

Once sufficient blood has been collected, release the tourniquet _____ withdrawing the needle

Back (Answer)

Before

#10
Front (Question)

Release and remove the tourniquet as soon as blood flow is established or after no longer than ___ minute

Back (Answer)

1

#11
Front (Question)

Phlebotomy complications

Back (Answer)

Vascular Anemia Neurologic Dermatologic Infection Cardiovascular

#12
Front (Question)

Type of light used by AccuVein

Back (Answer)

Near infrared

#13
Front (Question)

Safest site for bone marrow aspiration and biopsy

Back (Answer)

Posterior iliac crest

#14
Front (Question)

Manner of making a good smear (pushing the spreader slide)

Back (Answer)

Smooth and rapid

#15
Front (Question)

Best area to review or perform a differential on a stained blood film

Back (Answer)

RBC mostly separated, few overlapping

#16
Front (Question)

Scanning method on smears that minimize distribution errors

Back (Answer)

Battlement method

#17
Front (Question)

If buffer is acidic, RBCs would be stained _____ ; if it is alkaline, RBCs would be stained _____

Back (Answer)

Acidic = too pink Alkaline = too blue

#18
Front (Question)

Blood smear appears bluer than normal. What indication?

Back (Answer)

Increased plasma proteins

#19
Front (Question)

What happens to RBC if blood smear dries too slowly?

Back (Answer)

Crenated (echinocytes)

#20
Front (Question)

Magnification of OIO

Back (Answer)

100x

#21
Front (Question)

These are autoantibodies of the IgM class that react optimally at 4C

Back (Answer)

Cold agglutinins

#22
Front (Question)

To avoid agglutination on PBS, the slide can be __________ prior to application of blood

Back (Answer)

Warmed to 37C

#23
Front (Question)

ANTI-COAGULATED (heparinized) microhematocrit tube ring color

Back (Answer)

Red

#24
Front (Question)

Speed of centrifugation for microhematocrit tube

Back (Answer)

10,000-15,000g