EXAM 1 STUDY QUESTIONS AND
COMPLETE SOLUTIONS GRADED
A+
Your Exam Plug
,What is hematology? - Answer: The study of blood cell production, destruction, number and disease
What is the RBC lifespan? - Answer: 120 days
What is the WBC lifespan? - Answer: 10-15 days
What is the most common anticoagulant used in Hematology? - Answer: EDTA
Is plasma with or without an anticoagulant? - Answer: With an anticoagulate, no clot is formed
Is serum with or without an anticoagulant? - Answer: Without an anticoagulant, a clot forms
Terminology for a RBC - Answer: erythrocyte
Terminology for a WBC - Answer: leukocyte
Terminology for a platelet - Answer: Thrombocyte
What is the function of an RBC? - Answer: To carry oxygen
What is the function of a WBC? - Answer: To protect the host from infection
What is the function of a platelet? - Answer: To stop bleeding/help the body clot
What does -cyte/-oid mean? - Answer: cell
What does intramedullary hemolysis mean? - Answer: The break down of cells within the bone marrow
What does -plasia mean? - Answer: formation
, What does -penia mean? - Answer: Lacking/decrease
What does -philia mean? - Answer: Loving/increase
What does MCV stand for and what is it? - Answer: mean cell volume, indicates RBC size
What does MCH mean and what is it? - Answer: mean cell hemoglobin, the weight of hemoglobin
contained in an RBC
What does MCHC mean and what is it? - Answer: mean cell hemoglobin content, the average
concentration of hemoglobin in the RBC
What does the RES system do? - Answer: It's involved in the formation and destruction of blood cells,
metabolism of iron, inflammation and immunity
What are the 5 organs in the RES system? - Answer: Spleen, liver, thymus, lymph nodes and bone
marrow
What is bone marrow? - Answer: Tissue located within the cavities of the cortical bones
What are the two types of bone marrow and what do they include? - Answer: Red marrow-
hematopoietically active marrow which produces cells
Yellow marrow- hematopoietically inactive marrow composed of adipocytes/fat cells
What is the cell to fat ratio in marrow for an adult? - Answer: 50%/50% or 1:1 ratio
Where is the blood supply from in the bone marrow? - Answer: The periosteal arteries
Where does cell production occur in the bone marrow? - Answer: In the hemopoietic spaces