Quiz on Immune System

Which of the following is a primary lymphoid organ?

• Spleen

• Lymph node

• Thymus

• Tonsil

The process of blood cell formation is known as:

• Apoptosis

• Hematopoiesis

• Leukocytosis

• Erythroblastosis

B cells mature in the:

• Thymus

• Lymph nodes

• Spleen

• Bone marrow

Which immune cells are primarily involved in humoral immunity?

• T helper cells

• Cytotoxic T cells

• B lymphocytes

• Natural killer cells

T lymphocytes mature in the:

• Bone marrow

• Spleen

• Thymus

• Liver

Which of the following is not a characteristic of innate immunity?

• Non-specific

• Immediate response

• Memory formation

• First line of defense

The spleen primarily filters:

• Lymph

• Blood

• Interstitial fluid

• Plasma

Which cells produce antibodies?

• Macrophages

• Plasma cells

• T helper cells

• Neutrophils

The site where immature T cells are educated to recognize self from non-self:

• Bone marrow

• Spleen

• Thymus

• Lymph nodes

Which of the following are secondary lymphoid organs?

• Bone marrow and spleen

• Thymus and lymph node

• Lymph node and spleen

• Thymus and bone marrow