Blood

This tutorial by Nicole from Ken Hub explores the fascinating world of blood, its components, and its vital role in life. It covers the preparation and staining of blood smears, the structure and function of erythrocytes, leukocytes, and platelets, and concludes with a brief discussion on malaria. The video provides a comprehensive overview of blood's cellular components and their significance in the human body.

What is the primary purpose of a blood smear?

• To measure blood pressure

• To visualize cellular components of blood

• To determine blood type

• To test for glucose levels

What is the main function of erythrocytes?

• To clot blood

• To produce antibodies

• To transport oxygen and carbon dioxide

• To fight infections

What is the term used for immature red blood cells?

• Thrombocytes

• Reticulocytes

• Eosinophils

• Leukocytes

What is the lifespan of a typical erythrocyte in the bloodstream?

• 30 days

• 90 days

• 60 days

• 120 days

What is the main component of the cytoplasm in erythrocytes?

• Hemoglobin

• Chlorophyll

• RNA

• DNA

Which of the following is NOT a type of leukocyte?

• Lymphocyte

• Monocyte

• Neutrophil

• Erythrocyte

Which leukocyte is known for its role in allergic reactions?

• Neutrophil

• Lymphocyte

• Basophil

• Monocyte

Which leukocyte is primarily responsible for phagocytosis?

• Lymphocyte

• Basophil

• Neutrophil

• Eosinophil

What is the primary role of platelets in the blood?

• To promote blood clotting

• To carry oxygen

• To fight infections

• To transport nutrients

Which disease is caused by the Plasmodium parasite?

• Tuberculosis

• Cholera

• Malaria

• Dengue