Understanding Blood and Its Components

What are the formed elements circulating in the plasma?

What is the normal concentration of erythrocytes in blood for women?

• 3.9-5.5 million per microliter

• 4.1-6.0 million per microliter

• 5-7 million per microliter

• 2-4 million per microliter

What is the function of albumin in plasma?

• To transport oxygen

• To maintain osmotic pressure

• To fight infections

• To aid in clotting

What condition is characterized by a reduction in the number of erythrocytes?

• Anemia

• Polycythemia

• Leukemia

• Thrombocytopenia

What is the lifespan of human erythrocytes in circulation?

• 30 days

• 60 days

• 90 days

• 120 days

What are the two major groups of leukocytes?

• Granulocytes and agranulocytes

• Erythrocytes and leukocytes

• Platelets and leukocytes

• Monocytes and lymphocytes

What is the primary function of leukocytes?

• Transport oxygen

• Defend against microorganisms

• Clot blood

• Transport nutrients

What is the condition of increased number of erythrocytes in blood called?

• Anemia

• Leukemia

• Polycythemia

• Thrombocytopenia

What is the role of fibrinogen during clotting?