Blood Components and Functions

This video covers the composition of blood, focusing on plasma, red and white blood cells, and platelets. It explains the functions of plasma in transporting nutrients, waste, and gases. The video details the structure and role of red blood cells in oxygen transport, the types of white blood cells and their role in immunity, and the function of platelets in clotting. It also discusses blood grouping systems, including the ABO and Rhesus systems, and their importance in transfusions and pregnancy. The video concludes with study tips for exams.

What percentage of blood is made up of plasma?

• 45%

• 55%

• 65%

• 75%

Which component of plasma is primarily responsible for clotting?

• Salts

• Fibrinogen

• Enzymes

• Antibodies

What is a unique feature of mature red blood cells?

• They contain mitochondria

• They have a nucleus

• They are square-shaped

• They lack a nucleus

Where are red blood cells produced?

• Liver

• Spleen

• Red bone marrow

• Kidneys

What is the primary function of white blood cells?

• Transport oxygen

• Fight infection

• Clot blood

• Store nutrients

Which type of white blood cell is responsible for producing antibodies?

• T lymphocytes

• Macrophages

• B lymphocytes

• Monocytes

What is the main function of platelets?

• Carry oxygen

• Clot blood

• Fight infections

• Transport nutrients

Which blood group has no antigens on the surface of red blood cells?

• B

• A

• AB

• O

What is the significance of the Rhesus factor during pregnancy?

• It influences the baby's eye color

• It can cause complications if the mother is Rhesus negative and the baby is Rhesus positive

• It affects the mother's blood pressure

• It determines the baby's gender

What happens if you receive incompatible blood during a transfusion?

• Your blood type changes

• You become immune to diseases

• The blood clumps and can cause serious issues

• Nothing happens