Exam 26: Innate Immunity: Broadly Specific Host Defenses

Predict the consequence for an individual of a deleterious genetic mutation in the gene for TLR-4.

MHC I proteins are found

Bacterial capsules enhance the adherence of phagocytes to bacterial cell walls, thereby promoting phagocytosis.

Which of the following is TRUE about cytokines?

The secondary lymphoid organs consist of which of the following?

Which of the following uses its cell wall glycolipids to absorb hydroxyl radicals and superoxide anions?

Describe the signal transduction pathway that is activated when LPS binds to TLR-4.

The human leukocyte antigen spans about 4 Mbp on human chromosome 6.

Which of the following are proteins that interact directly with antigens during the adaptive immune response?

Pattern recognition receptors (PRRs) are found on which of the following cells?

Phagocytes have a pathogen-recognition system known as ________ that leads to the recognition, containment, and destruction of a pathogen.

________ are cytotoxins produced by T cells that cause apoptosis.

Briefly describe how a phagocyte engulfs and ingests a pathogen.

Which of the following cell types has NO nucleus?

Blood serum contains cells and clotting proteins.

Another name for "programmed cell death" is

Which of the treatments listed below would be most effective for a patient with a genetic defect that causes severe combined immunodeficiency (SCID), a condition in which there is a severe deficiency in B and T lymphocytes?

The bodyʹs non-inducible, preexisting ability to recognize and destroy a variety of pathogens or their products is called

Monocytes are circulating precursors of macrophages and dendritic cells.

Organisms such as Streptococcus pyogenes and Staphylococcus aureus that produce leukocidins and are associated with pus are called ________ pathogens.