Exam 32: Innate Immunity

Parts of the first line of immune defense are in the integumentary system.

Adaptive immunity is also called _____ immunity.

Toll-like receptors help facilitate the overall innate immune response.

Cytokines are chemicals released from cells to trigger or regulate both innate and adaptive immune responses.

There are almost 100 billion lymphocytes in the body's immune system.

Which of the following does not describe phagocytosis?

Pavementing is the attraction of neutrophils to the site of an infection.

One function of prostaglandins it to reduce fever caused by bacterial infection.

In phagocytosis, a footlike projection, called a phagosome, extends toward a microorganism.

Interferon production is stimulated by the presence of double-stranded DNA in a cell.

A person's natural killer cells usually kill cells of their own body.

Apoptosis is a programmed cell death used by natural killer cells.

All of the following are major types of interferon except _____ interferon.

Which is the best explanation of how a white blood cell ingests and destroys a microorganism?

Natural killer cells are 15% of the total lymphocyte cell number.

Most of the pus surrounding an inflammation site consists of dead or damaged tissue cells.

Name and describe the mechanical and chemical barriers of the nonspecific immune system.

Explain how fever develops. How do various medicines like aspirin treat fever? What possible advantage does fever give the body?

Inflammation mediators include:

Neutrophils function in the immune system by producing immunoglobulins.