Phlebotomy Final Exam Review/ 56 Q&A/
Already Graded A+
What is plasma? - Answer: Liquid portion of blood with the clotting factors. 90% water, 10%
dissolved substances
What is serum? - Answer: Liquid portion of blood without clotting factors
What are the formed elements of the blood? - Answer: Erythrocytes, leukocytes and
thrombocytes
Define hemopoiesis - Answer: Production of formed elements within the bone marrow and long
bones
What is the life span of an erythrocyte? - Answer: 120 days
What is a reticulocyte? - Answer: An immature erythrocyte
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, What is the function of an erythrocyte? - Answer: Deliver oxygen throughout the body
What is the purpose of a nucleus in a leukocyte? - Answer: Regulates cell growth and size
Phagocytic WBC - Answer: Neutrophils and monocytes
Which WBC attacks parasites? - Answer: Eosinophils
What are the two types of lymphocytes - Answer: T-cells and B-cells
Define hemostasis - Answer: The body's process of clotting and closing wounds
What is a PTT test used to diagnose? - Answer: Coagulation test; used to monitor blood
thinning medication and risk of stroke
What does a BUN and creatinine level indicate? - Answer: Kidney function
What is the purpose of a tourniquet? - Answer: Engorge the veins
What type of additive is in a lavender tube? - Answer: K2 EDTA
True or false:
Hemostasis may be impaired in patients with liver damage - Answer: True
What is the function of capillaries? - Answer: Site of oxygen, carbon dioxide and nutrients into
the cells
What is the middle, muscular layer of blood vessels - Answer: Tunica media
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Already Graded A+
What is plasma? - Answer: Liquid portion of blood with the clotting factors. 90% water, 10%
dissolved substances
What is serum? - Answer: Liquid portion of blood without clotting factors
What are the formed elements of the blood? - Answer: Erythrocytes, leukocytes and
thrombocytes
Define hemopoiesis - Answer: Production of formed elements within the bone marrow and long
bones
What is the life span of an erythrocyte? - Answer: 120 days
What is a reticulocyte? - Answer: An immature erythrocyte
Page 1 of 6
, What is the function of an erythrocyte? - Answer: Deliver oxygen throughout the body
What is the purpose of a nucleus in a leukocyte? - Answer: Regulates cell growth and size
Phagocytic WBC - Answer: Neutrophils and monocytes
Which WBC attacks parasites? - Answer: Eosinophils
What are the two types of lymphocytes - Answer: T-cells and B-cells
Define hemostasis - Answer: The body's process of clotting and closing wounds
What is a PTT test used to diagnose? - Answer: Coagulation test; used to monitor blood
thinning medication and risk of stroke
What does a BUN and creatinine level indicate? - Answer: Kidney function
What is the purpose of a tourniquet? - Answer: Engorge the veins
What type of additive is in a lavender tube? - Answer: K2 EDTA
True or false:
Hemostasis may be impaired in patients with liver damage - Answer: True
What is the function of capillaries? - Answer: Site of oxygen, carbon dioxide and nutrients into
the cells
What is the middle, muscular layer of blood vessels - Answer: Tunica media
Page 2 of 6
