Understanding Blood and Blood Components

Which component of blood is responsible for fighting infections?

• Red blood cells

• White blood cells

• Platelets

• Plasma

How long do red blood cells typically live?

• 4 months

• 7-10 days

• 1 year

• 2 weeks

What protein do red blood cells contain that allows them to pick up oxygen?

• Hemoglobin

• Albumin

• Fibrinogen

• Globulin

Blood delivers immune cells to fight infections. Fill in the blank: During an infection, blood delivers more immune cells to the site of ____.

• Healing

• Injury

• Infection

• Growth

Fill in the blank: Blood contains cells, proteins, and ____.

• Sugars

• Fats

• Minerals

• Vitamins

Which cell type is responsible for the immune response?

• Red blood cells

• White blood cells

• Platelets

• Plasma

What is the percentage range of neutrophils in white blood cells?

• 1%-3%

• 25%-33%

• 55%-77%

• <1%

Which white blood cell releases histamine and intensifies the inflammatory process?

• Lymphocyte

• Monocyte

• Basophil

• Neutrophil

Which type of white blood cell performs phagocytosis and lives longer than neutrophils?

• Eosinophil

• Basophil

• Monocyte

• Lymphocyte

Neutrophils are also known as _______ cells because they contain a nucleus with many lobes.

• Mononuclear

• Polymorphonuclear

• Binuclear

• Uninuclear