Phlebotomy Certification Exam Questions With 100% Correct Answers |Updated 2025/2026 |Graded A+

Phlebotomy Certification Exam Questions With 100% Correct Answers |Updated 2025/2026 |Graded A+ Capillary Puncture - 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 - 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 - answer-An agent used to preven blood clotting and to keep the specimen whole blood Red top - answer-NO ADDITIVE --- Clot Forms ----Serum used for Chemistries, Electrolytes, Thyroids (TSH, T4), Hormone, Liver, Kidney, Lipid stuidies, CMP, BMP. Tiger top - answer-Aka Red/Gray top: Clot activator additive - Clot Forms - SERUM STUDIES Lavender top - 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 - answer-Clot activator additive - Clot Forms - SERUM Studies Grey top - answer-Sodium Fluoride/Potassium oxalate - Glucose, Alcohol, FBS Light blue top - 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 - 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 - answer-What veins are in the antecubical area? Hemoconcentration - 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. Provodine/iodine - answer-Agent used on the skin to sterilize the area.