Blood Functions and Cells Quiz

Which of the following is NOT a function of blood?

• Transportation of nutrients

• Protection against infections

• Production of oxygen

• Regulation of pH balance

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

• Plasma

• Hemoglobin

• Platelets

• White blood cells

Which type of blood cell is biconcave in shape?

• Red blood cells

• White blood cells

• Platelets

• Plasma cells

What stimulates the production of red blood cells in the bone marrow?

• Histamine

• Hemoglobin

• Erythropoietin

• Megakaryocytes

Which disorder is characterized by a low red blood cell count or reduced hemoglobin levels?

• Leukocytosis

• Anemia

• Thrombocytopenia

• Polycythemia

Which type of white blood cell is the first to respond to bacterial infections?

• Lymphocytes

• Monocytes

• Neutrophils

• Basophils

What do B cells primarily do in the immune system?

• Destroy infected cells

• Produce antibodies

• Transform into macrophages

• Release histamine

Which white blood cell type plays a significant role in allergic reactions by releasing histamine?

• Eosinophils

• Monocytes

• Basophils

• Neutrophils

What is the lifespan of a red blood cell?

• 7-10 days

• 120 days

• A few hours

• Several years

Platelets are derived from which type of cell in the bone marrow?

• Neutrophils

• Megakaryocytes

• Lymphocytes

• Erythrocytes