Phlebotomy final exam review ch 7 UPDATED ACTUAL
Questions and CORRECT Answers
What is the bevel and what position should it be in when The bevel is the slanted tip of the needle, the end you stick with. The bevel should
doing venipuncture? be up when doing venipuncture.
What is the needle gauge and what does it measure? The gauge is indicated by a number. It measures the diameter of the needle. The
larger the number, the smaller the diameter is.
What are the different types of needles used for drawing ETS or multi sample needles, winged infusion or butterfly and syringe.
blood?
understand needle safety devices and how used Resheathing devices stay behind needle.
Need to know the anticoagulant or additive in each
tubes, exactly like the first test from the handout "29
Blood Tests for Final
What is the definition of anticoagulant? Substance that prevents glycolysis. (breakdown of sugar by blood cells. an
example is Sodium Fluoride)
What is needed for a syringe draw and what is not Need: Syringe, needle, transfer device, Evacuated tubes, alcohol pad, gauze,
needed? bandage, sharps container
Not Needed: ETS needle, Ets hub
Which tube must be full to be accepted? Additive tubes page 193
Know the Order of Draw from your handout (note: NOT
FROM BOOK, which does not cover as many tubes as
your handout)
Heparin prevents blood from clotting how? Heparin prevents blood from clotting by inhibiting thrombin.
Sodium Citrate does what? Prevents coagulation by binding or chleating calcium used for coagulation tests
PT, aPTT. Does the best job of preserving the coagulation factors. (Lt Blue tops)
EDTA prevents blood from clotting how? P.200. Prevents clotting by removing calcium from the blood by binding or
chleating it to form an insoluble salt.
Why is EDTA used for hematology? Because it preserves cell morphology (shape and structure) and inhibits platelet
aggregation better than any other anticoagulant.
Know the tube colors and what departments they go to. SST-blood bank, immunology/serology; Red-blood bank, chemistry,
immunology/serology; Light Blue-Coagulation; green-chemistry;
purple/pink/PPT(pearl top)-hematology purple/pink can also go to
immunology/serology; Grey-chemistry;
Questions and CORRECT Answers
What is the bevel and what position should it be in when The bevel is the slanted tip of the needle, the end you stick with. The bevel should
doing venipuncture? be up when doing venipuncture.
What is the needle gauge and what does it measure? The gauge is indicated by a number. It measures the diameter of the needle. The
larger the number, the smaller the diameter is.
What are the different types of needles used for drawing ETS or multi sample needles, winged infusion or butterfly and syringe.
blood?
understand needle safety devices and how used Resheathing devices stay behind needle.
Need to know the anticoagulant or additive in each
tubes, exactly like the first test from the handout "29
Blood Tests for Final
What is the definition of anticoagulant? Substance that prevents glycolysis. (breakdown of sugar by blood cells. an
example is Sodium Fluoride)
What is needed for a syringe draw and what is not Need: Syringe, needle, transfer device, Evacuated tubes, alcohol pad, gauze,
needed? bandage, sharps container
Not Needed: ETS needle, Ets hub
Which tube must be full to be accepted? Additive tubes page 193
Know the Order of Draw from your handout (note: NOT
FROM BOOK, which does not cover as many tubes as
your handout)
Heparin prevents blood from clotting how? Heparin prevents blood from clotting by inhibiting thrombin.
Sodium Citrate does what? Prevents coagulation by binding or chleating calcium used for coagulation tests
PT, aPTT. Does the best job of preserving the coagulation factors. (Lt Blue tops)
EDTA prevents blood from clotting how? P.200. Prevents clotting by removing calcium from the blood by binding or
chleating it to form an insoluble salt.
Why is EDTA used for hematology? Because it preserves cell morphology (shape and structure) and inhibits platelet
aggregation better than any other anticoagulant.
Know the tube colors and what departments they go to. SST-blood bank, immunology/serology; Red-blood bank, chemistry,
immunology/serology; Light Blue-Coagulation; green-chemistry;
purple/pink/PPT(pearl top)-hematology purple/pink can also go to
immunology/serology; Grey-chemistry;
