Hematology Quiz

Why might someone living at high altitudes develop polycythemia?

• Due to increased air pressure

• Because the air is thinner and there is less oxygen

• Because of higher temperatures

• Due to increased humidity

What is leukocytosis?

• A low white blood cell count

• A high red blood cell count

• A white blood cell count over 11,000 cells/mm3

• A low platelet count

What is a risk factor for undesirable clotting?

• Rapid blood flow

• Slowly flowing blood or blood pooling

• High oxygen levels

• Low cholesterol levels

What is thrombocytopenia usually caused by?

• Excessive exercise

• High sugar intake

• Suppression of bone marrow

• Lack of sleep

What is hemophilia primarily caused by?

• Viral infection

• Bacterial infection

• Heredity

• Poor diet