Haematology

Question 1

What is haematology?

Answer 1

Haematology is the study of blood and blood cellular elements.

Question 2

What is haematopoiesis?

Answer 2

Haematopoiesis refers to the formation of blood cells.

Question 3

What is blood composed of?

Answer 3

• Red Blood Cells
• White Blood Cells
• Platelets
• Plasma

Question 4

What is blood plasma?

Answer 4

• The yellow fluid that contains all the blood cells.
• Composed of 90% H2O.
• Other 10% (Electrolytes, Hormones, etc.)
• Major Components: Albumin and Globulin.

Question 5

What is haemostasis?

Answer 5

The process of stopping bleeding

Question 6

What are red blood cells?

Answer 6

• Cells that carry antigen that determines individual’s blood group
• Function in gas exchange
• A.k.a. Erythrocytes

Question 7

What are white blood cells?

Answer 7

• Cells of the immune system
• Function in defending the body against foreign substances
• Two types: Agranulocytes (e.g. Lymphocytes) and Granulocytes (e.g. Eosinophils)
• A.k.a. Leukocytes

Question 8

What are platelets?

Answer 8

• Cytoplasmic fragments of the Megakaryocyte
• Function in blood coagulation
• A.k.a. Thrombocytes