Final Exam/ NCCT with Complete
Solutions
Evacuated Tube System - ANS-What does ETS stand for?
21g - ANS-What is the most common gauge needle used for phlebotomy?
Winged Infusion Set - ANS-What is the proper term for a "butterfly" needle?
23g - ANS-What is the most common gauge used for a butterfly needle?
Safety cap - ANS-The guard that covers the contaminated needle after the venipuncture
is referred to as what?
Multi-sample needle, Tube holder (hub), Evacuated tubes - ANS-What are the 3 main
components of the ETS system?
Safety (easy to insert/remove tubes) - ANS-What is the purpose of the flanges on the
hub/tube holder?
Prime the plunger (pull in/out to loosen) - ANS-What should be done before using a
syringe for blood draw?
Use hub - ANS-What must be used to safely transfer blood from a syringe into the
required tubes for testing?
Rubber sleeve - ANS-In the multi-sample needle system, what stops the blood from
leaking out when interchanging tubes in the hub?
Hit nerve, hit artery, pain, permanent damage - ANS-What are some risks when drawing
blood from the basilic vein?
Neutrophils
Lymphocytes
Monocytes
Eosinophils
Basophils - ANS-What are the 5 types of blood vessels in the body?
veins - ANS-Which blood vessels have valves to prevent blood from moving in the
wrong direction?
, hollow space of needle - ANS-Define lumen?
120/80 - ANS-What is normal blood pressure?
4.7-5.5 liters - ANS-How much blood does the average sized adult have?
120 days - ANS-What is the average lifespan of a red blood cell?
RBC formation in Red Bone Marrow - ANS-What is hematopoiesis and where does it
occur?
stopping of blood flow - ANS-What is hemostasis?
RBC, WBC, PLT and Plasma
55% plasma and 45% cell components - ANS-What is blood composed of?
deliver oxygen - ANS-What is the function of an erythrocyte?
fight infection - ANS-What is the function of a leukocyte?
clotting - ANS-What is the function of a thrombocyte?
chemicals utilized in clotting that may help or inhibit clotting - ANS-What are clotting
factors?
Serum liquid portion of clotted blood
Plasma liquid portion of unclotted blood - ANS-Define serum and plasma?
Plasma - ANS-Which one contains clotting factors — serum or plasma?
Dissolution of a clot - ANS-What is fibrinolysis?
Protein for clotting - ANS-What is fibrinogen?
WBC and PLT - ANS-What is the buffy coat composed of in an anticoagulated tube?
Blood in natural state - ANS-Define whole blood?
Centrifuge - ANS-What is used to separate cells from the liquid portion of blood?
30min - ANS-How long should serum tubes be allowed to clot before centrifugation?
2hr - ANS-What is the maximum time serum tubes should be allowed to sit before being
centrifuged?
Solutions
Evacuated Tube System - ANS-What does ETS stand for?
21g - ANS-What is the most common gauge needle used for phlebotomy?
Winged Infusion Set - ANS-What is the proper term for a "butterfly" needle?
23g - ANS-What is the most common gauge used for a butterfly needle?
Safety cap - ANS-The guard that covers the contaminated needle after the venipuncture
is referred to as what?
Multi-sample needle, Tube holder (hub), Evacuated tubes - ANS-What are the 3 main
components of the ETS system?
Safety (easy to insert/remove tubes) - ANS-What is the purpose of the flanges on the
hub/tube holder?
Prime the plunger (pull in/out to loosen) - ANS-What should be done before using a
syringe for blood draw?
Use hub - ANS-What must be used to safely transfer blood from a syringe into the
required tubes for testing?
Rubber sleeve - ANS-In the multi-sample needle system, what stops the blood from
leaking out when interchanging tubes in the hub?
Hit nerve, hit artery, pain, permanent damage - ANS-What are some risks when drawing
blood from the basilic vein?
Neutrophils
Lymphocytes
Monocytes
Eosinophils
Basophils - ANS-What are the 5 types of blood vessels in the body?
veins - ANS-Which blood vessels have valves to prevent blood from moving in the
wrong direction?
, hollow space of needle - ANS-Define lumen?
120/80 - ANS-What is normal blood pressure?
4.7-5.5 liters - ANS-How much blood does the average sized adult have?
120 days - ANS-What is the average lifespan of a red blood cell?
RBC formation in Red Bone Marrow - ANS-What is hematopoiesis and where does it
occur?
stopping of blood flow - ANS-What is hemostasis?
RBC, WBC, PLT and Plasma
55% plasma and 45% cell components - ANS-What is blood composed of?
deliver oxygen - ANS-What is the function of an erythrocyte?
fight infection - ANS-What is the function of a leukocyte?
clotting - ANS-What is the function of a thrombocyte?
chemicals utilized in clotting that may help or inhibit clotting - ANS-What are clotting
factors?
Serum liquid portion of clotted blood
Plasma liquid portion of unclotted blood - ANS-Define serum and plasma?
Plasma - ANS-Which one contains clotting factors — serum or plasma?
Dissolution of a clot - ANS-What is fibrinolysis?
Protein for clotting - ANS-What is fibrinogen?
WBC and PLT - ANS-What is the buffy coat composed of in an anticoagulated tube?
Blood in natural state - ANS-Define whole blood?
Centrifuge - ANS-What is used to separate cells from the liquid portion of blood?
30min - ANS-How long should serum tubes be allowed to clot before centrifugation?
2hr - ANS-What is the maximum time serum tubes should be allowed to sit before being
centrifuged?
