Anatomy - Basics of the Formed Elements RBCs, WBCs, & Platelets

The video tutorial explains the concept of formed elements in blood, which include erythrocytes, leukocytes, and thrombocytes. It details their functions, lifespans, and the process of hematopoiesis occurring in the red bone marrow. The role of colony stimulating factors in differentiating stem cells into various blood cell types is discussed, along with the myeloid and lymphoid lineages. The video concludes with a summary of key points and encourages viewers to engage with the content.

Which of the following is NOT a function of erythrocytes?

• Lasting about 120 days

• Carrying carbon dioxide

• Defending against pathogens

• Transporting oxygen

What is the process of forming white blood cells called?

• Leukopoiesis

• Hematopoiesis

• Erythropoiesis

• Thrombopoiesis

Which stem cell is the origin of all blood cells?

• Megakaryocyte

• Lymphoid stem cell

• Myeloid stem cell

• Hemocytoblast

What is the primary role of colony stimulating factors?

• To increase blood pressure

• To transport nutrients in the blood

• To direct stem cells into specific blood cell lineages

• To break down old blood cells

Which hormone is responsible for stimulating the production of red blood cells?

• Thrombopoietin

• Erythropoietin

• Adrenaline

• Insulin

What is the function of thrombopoietin?

• Stimulating erythrocyte production

• Initiating blood clotting

• Stimulating platelet production

• Breaking down hemoglobin

Which of the following is a specific type of leukocyte?

• Lymphocyte

• Thrombocyte

• Megakaryocyte

• Erythrocyte