27 Questions
What is the main reason aspirin is often recommended to treat cardiovascular disease?
It decreases coagulation
What causes clumps of erythrocytes called agglutination?
Presence of A and B antigens
Why is it best to match and transfuse identical blood types?
To minimize the risk of agglutination
What is the significance of Rh antibodies in Rh negative people?
They are only created after exposure to Rh positive blood
What is the function of platelets in the blood?
To coagulate and stop bleeding
What is the primary function of White Blood Cells (WBC) in the blood?
To protect the body from external and internal threats like bacteria and viruses
What does the hematocrit measure in the blood?
The percentage of Red Blood Cells (erythrocytes) in blood
Why is blood a little warmer than normal body temperature?
Due to the presence of hemoglobin reacting with oxygen
What is the main function of erythrocytes?
Oxygen and carbon dioxide transport
What is the molecule made of 4 proteins and 4 irons in erythrocytes?
Hemoglobin
What is the most common type of anemia?
Iron deficient anemia
What is the rare condition where RBC stem cells are insufficient?
Aplastic anemia
Which plasma protein is important for clotting?
Fibrinogen
Where does hemopoiesis occur in the body?
Red marrow in bones
Which factor stimulates erythrocyte production?
Erythropoietin
Where do B cells mature?
Bone marrow
Which type of cells lead toward immunity from disease?
Lymphoid cells
What causes polycythemia?
High plasma levels
What is the shortage of RBC stem cells known as?
Aplastic anemia
What is the primary function of leukocytes?
To protect the body
Which type of leukocyte is involved in intensifying inflammation like mast cells?
Basophil
What is the function of B cells among the lymphocytes?
Produce antibodies
What is the primary role of platelets in hemostasis?
Form a plug to prevent excessive bleeding
What can be a consequence of thrombocytosis?
Too many blood clots and potential fatality
What is the primary function of coagulation in the blood clotting process?
To provide a more durable repair with a mesh of fibrin
What is the role of plasma anticoagulants in the blood clotting process?
To limit clotting or help stop clotting
What is the cause of the extrinsic pathway in blood clotting?
Trauma
Test your knowledge about leukocytes, white blood cells that protect the body from infection. Learn about their types, functions, and behaviors in the bloodstream and body tissues.
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