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Capillary Puncture ✔Correct Answer-3rd or 4th finger for adults, heel stick for infants; Lancet
cut across ridges; hold the tube horizontal when filling. Don't sqeeze finger too tightly or milk
the finger. Wipe off 1st drop.
The vein can collapse ✔Correct Answer-If you pull on the plunger of the syringe too hard or
too quickly during a draw or you use too strong of a vaccum for the vein, this can happen...
Anticoagulant ✔Correct Answer-An agent used to preven blood clotting and to keep the
specimen whole blood
Red top ✔Correct Answer-NO ADDITIVE --- Clot Forms ----Serum used for Chemistries,
Electrolytes, Thyroids (TSH, T4), Hormone, Liver, Kidney, Lipid stuidies, CMP, BMP.
Tiger top ✔Correct Answer-Aka Red/Gray top: Clot activator additive - Clot Forms - SERUM
STUDIES
Lavender top ✔Correct Answer-EDTA additive - No Clot - WHOLE BLOOD for: Complete blood
count (CBC), Blood smear, Blood banking (ABO/Rh), ESR, HCT, Hmg,Glyco Alc ****Must be filled
sufficiently and inverted (gentle rocked) several times****
Gold Top ✔Correct Answer-Clot activator additive - Clot Forms - SERUM Studies
Grey top ✔Correct Answer-Sodium Fluoride/Potassium oxalate - Glucose, Alcohol, FBS
Light blue top ✔Correct Answer-Sodium citrate additive - No Clot - Used for coagulation
studies (PT, PTT) ****Tube must be filled to the proper level and inverted (gentle rocked)
several times****
Wipe away the first drop ✔Correct Answer-We do this to remove tissue juices, skin cells,
alcohol, contaminates, avoid activating clotting process, avoid producing incorrect results, avoid
diluting specimen.
The basilic, cephilic, and the median ✔Correct Answer-What veins are in the antecubical
area?
Hemoconcentration ✔Correct Answer-This is the increase of the cellular/solid elements in
direct ratio to plasma This can be caused by "pumping of the fist" and begins after the
tourniquet is left on longer than 1 minute.