Exam 28: Immunity and Host Defense

The first defense cells that interact with a pathogen in the body are called_________ .

The secondary lymphoid organs consist of the following EXCEPT

Phagocytes have general antibody receptors called _________that bind to any antibody attached to an antigen.

Which is an example of acquisition of natural passive immunity?

The cells active in both innate and adaptive immunity develop from common pluripotent precursors called_________ .

DNA vaccines are bacterial plasmids that contain cloned DNA with an antigen of interest and unlike attenuated vaccines, there is no chance of infection when injected into animals.

Dendritic cells are phagocytes with antigen- presenting properties.

Enhanced phagocytosis of antibody- sensitized cells is known as

What bacterium would a person involved in a car accident MOST likely be exposed to?

Which of the following diseases is/are associated with organ- specific autoimmune disease?

Blood serum contains cells and clotting proteins.

Phagocytes interact speedily and effectively with pathogens because they have evolved specialized molecules called pattern recognition receptors (PRRs) that interact directly with PAMPs.

Immunity results from the actions of cells that circulate throughout the body, primarily through the blood and lymph.

IgG, IgM, and IgA are examples of _________found in blood.

TH2 cells interact directly with the pathogens.

People with aggamaglobulinemia do not make protective antibodies and suffer from recurrent, life threatening viral infections, but develop normal immune responses to bacteria.

The purposeful artificial introduction of immunity to a particular infectious disease is known as _________.

Men are 20 times more likely to develop systemic lupus erythematosus (SLE) than women.

Type I hypersensitivity is caused by the release of vasoactive products from mast cells coated with

_________is the use of antibodies to detect antigens.