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Exam 15: The Lymphatic and Immune Systems: Your Defense Systems

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Question 21

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Explain why HIV causes severe immune deficiency by attacking one type of cell.

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HIV selectively attacks helper T cells.T...

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Question 22

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Discuss how cancer is staged.

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Cancer is staged and prognosis and treat...

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Question 23

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Symptoms of rheumatoid arthritis include ________.

In ________ disorders, the body fails to recognize "self" and destroys its own tissue.

Once the threat of invasion is over, the ____________ are responsible for "turning-off" the response.

The first leukocytes to arrive at the site of damage are the

Ultimately the cause of death in AIDS patients is ___________________.

Natural immunity is acquired during vaccination.

________ is the rise in body temperature as a deliberate attempt by the immune system to destroy the pathogens that have invaded the body.

The ____________ is the soft organ between the aortic arch and sternum.

________ disorders occur when the immune system attacks some part of the body.The body fails to recognize "self" and destroys its own tissue as if it were an invader.

In addition to storage of white blood cells the lymphatic system is also responsible for

Which stage of cancer would mean it had spread to nearby tissues?

The ________ gland is larger in children because they are exposed to many new infections.

Antigens are the body's weapons against disease.

Selection of lymphocytes which react to antigens is called _______________ selection.

Which of the following is not one of the immune system's components?

The lumbar, intestinal, and intercostal trunk all empty into the ________ duct, a large duct that runs from the abdomen up through the diaphragm and into the left subclavian vein.

In this stage of cancer, spread to distant tissues and organs is present ________.

Complement ________ is a complex series of reactions that activate 20 proteins that are usually inactive in the blood unless activated by a pathogen invasion.