15 Questions
Which component of blood is responsible for preventing blood loss through clotting?
Thrombocytes
What is the liquid portion of blood called as it circulates in the blood vessels?
Plasma
Which type of blood cell is responsible for transporting oxygen?
Erythrocytes
What is the process by which blood cells are produced called?
Hemopoiesis
Which type of stem cells give rise to all white blood cells except for lymphocytes?
Myeloid stem cells
Which of the following is an example of an embolus?
A blood clot
Which blood group system is based on the presence or absence of agglutinogens A and B?
The ABO system
What determines the blood type in the ABO system?
Agglutinogens A and B
What happens if a transfusion is conducted using incompatible blood?
Hemolysis occurs
Which blood type carries both A and B antigens?
Type AB
Which hormone stimulates the production of red blood cells?
Erythropoietin
Where does erythrocyte formation occur in adults?
Bone marrow
What is the function of hemoglobin in red blood cells?
Transport oxygen
What happens to worn-out red blood cells?
They are phagocytized by macrophages in the spleen
What is the role of vitamin B12 in the synthesis of new red blood cells?
It is required for the production of red blood cell precursors
Study Notes
Blood Components and Functions
- Platelets are responsible for preventing blood loss through clotting.
- The liquid portion of blood that circulates in the blood vessels is called plasma.
- Erythrocytes (red blood cells) are responsible for transporting oxygen.
Blood Cell Production
- The process of producing blood cells is called hematopoiesis.
- Myeloid stem cells give rise to all white blood cells except for lymphocytes.
Blood Clotting
- An embolus is an example of a blood clot that breaks loose and travels through the bloodstream.
Blood Group Systems
- The ABO blood group system is based on the presence or absence of agglutinogens A and B.
- The presence or absence of A and B antigens on the surface of red blood cells determines the blood type in the ABO system.
Blood Transfusion
- If a transfusion is conducted using incompatible blood, it can lead to a severe reaction, which can be life-threatening.
Blood Types
- AB blood type carries both A and B antigens.
Erythrocyte Production
- The hormone erythropoietin (EPO) stimulates the production of red blood cells.
- Erythrocyte formation occurs in the bone marrow in adults.
Red Blood Cell Function
- Hemoglobin in red blood cells is responsible for transporting oxygen from the lungs to the body's tissues.
- Worn-out red blood cells are removed from the circulation and destroyed in the spleen.
- Vitamin B12 is essential for the synthesis of new red blood cells.
Test your knowledge on the major functions of blood in this informative quiz. Learn about how blood transports vital substances, regulates body functions, and protects against harmful agents.
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