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Malfunctions of the Immune System Malfunctions of the Immune System

Malfunctions of the Immune System - PowerPoint Presentation

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Uploaded On 2017-08-16

Malfunctions of the Immune System - PPT Presentation

113 pg 367 269 Malfunctions Abnormal functioning of the immune system Two types of problems Immunodeficiency diseases Inappropriate attacks of the immune system against nonthreatening agents ID: 579442

system immune cells immunodeficiency immune system immunodeficiency cells attacks agents malfunctions inappropriate diseases

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Slide1

Malfunctions of the Immune System

11.3 (

pg

367 – 269)Slide2

Malfunctions

Abnormal functioning of the immune system

Two types of problems:

Immunodeficiency diseases

Inappropriate attacks of the immune system against non-threatening agents.Slide3

Immunodeficiency diseases

May be caused by a foreign agent

HIV (attacks T cells)

Hereditary condition (e.g. SCID – severe combined immunodeficiency): gene mutation resulting in the inability to produce B and T cells

Cancer treatments or prolonged exposure to anti-inflammatory drugs (cortisol) reduce the effectiveness of the immune system.Slide4

Inappropriate immune responses

Allergies (hypersensitivity to harmless agents)

Response in which the immune system attacks normal cells in one’s own body (autoimmune disease) – can destroy tissues and organs.