Embriologi dan Fisiologi Sistem Hematologi

What is the first embryonic structure involved in hematopoiesis?

• Liver

• Spleen

• Yolk sac

• Bone marrow

At which stage of embryo development does hematopoiesis first occur?

• Week 1

• Week 3

• Week 5

• Week 8

What is the main organ that takes over hematopoiesis after the yolk sac?

• Liver

• Spleen

• Bone marrow

• Thymus

What is the first progenitor cell formed in hematopoiesis?

• Hematopoietic stem cell

• Myeloid progenitor

• Lymphoid progenitor

• Megakaryoblast

What is meant by erythropoiesis?

• Formation of white blood cells

• Formation of platelets

• Formation of red blood cells

• Formation of plasma cells

What hormone regulates erythropoiesis?

• Erythropoietin

• Insulin

• Adrenaline

• Thyroxine

What is the main component in blood responsible for oxygen transport?

• White blood cells

• Platelets

• Red blood cells

• Plasma

What protein in red blood cells binds oxygen?

• Albumin

• Globulin

• Hemoglobin

• Fibrinogen

What is the most abundant white blood cell in circulation?

• Lymphocyte

• Monocyte

• Neutrophil

• Eosinophil

What is the main function of platelets in blood?

• Transport oxygen

• Produce antibodies

• Assist in blood clotting

• Regulate water balance