Adaptive Part 2

Which of the following is NOT a characteristic of adaptive immunity?

• Works together with inflammation

• Recognizes foreign substances (antigens)

• Provides short-term protection

• Has memory

What is the primary function of B cells in humoral immunity?

• Attack infected cells

• Attack invaders outside the cell

• Differentiate into T cells

• Stimulate the activity of other leukocytes

Which type of immunity primarily protects against bacteria and viruses?

• Humoral immunity

• Cell mediated immunity

• Innate immunity

• Passive immunity

What is the role of T-cytotoxic cells (Tc) in cell mediated immunity?

• Attack invaders outside the cell

• Differentiate into B cells

• Attack infected cells

• Produce antibodies

Which of the following is a primary lymphoid organ where T cells mature?

• Bone marrow

• Thymus

• Spleen

• Lymph nodes

Which cells are responsible for attacking infected cells in cell mediated immunity?

• B cells

• T-cytotoxic cells (Tc)

• Macrophages

• Dendritic cells

Which cells are involved in the differentiation process during clonal selection?

• T cells and macrophages

• B cells and dendritic cells

• B cells and T cells

• Macrophages and dendritic cells

How are pre-formed antibodies or T lymphocytes transferred in passive acquired immunity?

• Through vaccination

• From a donor to a recipient

• By natural exposure to an antigen

• By producing memory cells

What is an antigen?

• A molecule that can react with antibodies or receptors on B and T cells

• A type of white blood cell

• A protein that suppresses the immune response

• A cell that engulfs pathogens

What is the antibody or lymphocyte’s binding site called?

• Epitope

• Paratope

• Receptor site

• Antigen site