Exam 17: The Immune Response

Receptors on the surfaces of phagocytic cells which recognize certain types of highly conserved molecules that play essential roles in viruses and bacteria are called _______.

There are two types of IgG light chains. What are they?

What holds the small peptide fragment of an antigen at the surface of an antigen presenting cell?

What allows so many different antibodies to be made by the immune system?

What is interleukin 4 thought to do?

_________ immune responses are mounted by the body immediately without requiring previous contact with the microbe; they are the initial internal line of defense and are characterized by a lack of specificity.

Sensing of pathogen effector proteins by plant cells can lead to all of the following defensive responses EXCEPT:

Which cells are responsible for cell-mediated immunity?

Which class of T cells is composed of primarily inhibitory cells that suppress the proliferation and activities of other types of immune cells that are capable of mounting an autoimmune response?

Cells of the innate immune system have receptors on their surfaces that help them to recognize ____________.

Which of the following signaling components is NOT involved in lymphocyte activation by a B cell or dendritic cell?

How does the immune system initiate responses against intracellular pathogens like viruses, when they are hidden inside cells?

The modified, harmless version of the tetanus toxin that is used to immunize infants is called a _______.

What is the name of the type of cell that serves as the precursor cell for both B cells and T cells?

How is class switching accomplished?

What is considered the primary sorting compartment along the MHC biosynthetic pathway?

Cytokines utilize a novel signal transduction pathway referred to as the _______ pathway, which operates without the involvement of _________.

Introduction of antibodies made against a particular invading organism into another organism by injection or some other similar method is called the provision of____________.

Possession of the HLA-B*35 MHC allele ________.

_________ occurs when a specific antibody changes the heavy chain that the cell makes without changing the antigen-combining site of the antibodies synthesized.