The Lines of Defense

What is the primary function of the epidermal layer of the skin?

What is the name of the protein that forms a waterproof protective layer in the skin?

Which of the following structures impede water loss and microbial penetration in the skin?

What are the three passageways that penetrate into the body's interior and provide a route for microbes to enter?

What is the process by which epidermal cells are produced and replaced?

What is the major function of the dermis layer of the skin?

What is the primary function of pyrogens in the body?

What is the result of a severe fever on vital body proteins?

What is the effect of mild fevers on the spleen and liver?

What is the role of macrophages in the immune response?

What is the effect of fever on the replication of disease-causing bacteria?

What is the source of some interferons in the body?

What can tiny breaks in the skin or in the lining of the respiratory, digestive, or urinary tracts permit to enter the body?

What is characterized by redness, swelling, and pain?

What type of cells are attracted to the wound site by certain chemical substances released by injured tissue?

What is the yellowish fluid that exudes from the wound, containing dead white blood cells, microorganisms, and cellular debris?

What is the primary function of macrophages and neutrophils at the wound site?

What is the term for the heat given off by a wound, which refers to the inflammatory response?

What is the result of the membrane-attack complex embedding in the plasma membrane of bacteria?

What is the role of some activated complement proteins in the inflammatory response?

What is the function of the C3b protein in the immune response?

What is the role of certain complement proteins in the immune response?

What is the characteristic of the immune system as a third line of defense?

What is the role of lymphocytes in the immune system?

What is the primary function of the immune system?

Where can immune cells be found in the body?

What is one of the benefits of optimal immune system function?

What is the role of the immune system in preventing disease?

Which of the following is NOT a function of the immune system?

What is the relationship between nutrition and immune system function?

What is the primary mechanism by which interferons regulate cancer cell growth?

What is the purpose of using recombinant DNA technology in the production of interferons?

What is the estimated percentage of patients who experience side effects from interferon therapy?

What is the mechanism by which the complement system is activated?

What is the primary function of the complement proteins in the immune system?

What is the outcome of the chain reaction triggered by the activation of the complement system?

What is the effect of high doses of interferon on liver function?

What is the purpose of administering pain medications and antihistamines to patients receiving interferon therapy?

What is the relationship between the complement system and antibody production?

What is the reason why the side effects of interferon therapy typically decrease after repeated injections?