Immunology Quiz

Where are the primary lymphoid organs located?

• Liver and Kidneys

• Bone marrow and Thymus

• Lungs and Heart

• Stomach and Intestines

What is the function of the thymus in the immune system?

• Produces red blood cells

• Stores excess nutrients

• Filters toxins from the blood

• Creates immune system cells

Which component of the immune system is responsible for fighting off germs and foreign substances?

• Skin

• Mucous membranes

• Lymph nodes

• Spleen

What is the role of IgG antibodies in the immune system?

• Provide long term protection

• Bind antigens on microbes

• Activate basophils

• Trigger histamine release

Which antibody is specialized to activate complement efficiently upon binding antigen?

• IgE

• IgG

• IgA

• IgM

What is the main function of IgA antibodies?

• Bind antigens on microbes

• Inhibit bacterial adhesion to epithelial cells

• Neutralize toxins

• Trigger histamine release

Where are B-cells activated to produce antibodies?

• Thymus

• Spleen

• Lymph nodes

• Bone marrow

What triggers an immune response in B-lymphocytes?

• Antigen binding to B-cell receptor

• Antigen binding to T-cell receptor

• Antigen binding to Th cell

• Antigen binding to macrophage

What is the function of cytokines in the immune system?

• Regulate immune response

• Activate basophils

• Trigger inflammation

• Inhibit viral protein synthesis

Which component of the immune system primarily targets specific foreign invaders?

• Humoral immunity

• Adaptive immune system

• Cellular immunity

• Innate immune system