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Sometimes, the immune system is too weak and unable to efficiently fight infections: this is the case of Immuno-deficiencies. In some people, the immune system is too aggressive and attacks harmless elements of the environment: this is the case of allergies. Some deficiencies of the immune system are congenital. Their signs appear shortly after birth. Others are acquired, such as the Acquired ImmunoDeficiency Syndrome or AlIDS which is due to a virus called Human Immunodeficiency Virus (HIV). The infected individual with HIV remains apparently healthy for a long time. However, he may transmit the infection to others. a- By referring to the above text i- Define immunodeficiency and indicate its types. ii- Indicate the causative agent and the target of AIDS. b- AIDS can be transmitted to others. i- Name 2 methods that can transmit AIDS between people. ii- Name 1 method that doesn't transmit AIDS. iii-Suggest a method to detect infection by HIV.

Sometimes, the immune system is too weak and unable to efficiently fight infections: this is the case of Immuno-deficiencies. In some people, the immune system is too aggressive and attacks harmless elements of the environment: this is the case of allergies. Some deficiencies of the immune system are congenital. Their signs appear shortly after birth. Others are acquired, such as the Acquired ImmunoDeficiency Syndrome or AlIDS which is due to a virus called Human Immunodeficiency Virus (HIV). The infected individual with HIV remains apparently healthy for a long time. However, he may transmit the infection to others. a- By referring to the above text i- Define immunodeficiency and indicate its types. ii- Indicate the causative agent and the target of AIDS. b- AIDS can be transmitted to others. i- Name 2 methods that can transmit AIDS between people. ii- Name 1 method that doesn't transmit AIDS. iii-Suggest a method to detect infection by HIV.

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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EXERCISE -10- Sometimes, the immune system is too weak and unable to efficiently fight infections: this is the case of Immuno-deficiencies. In some people, the immune system is too aggressive and attacks harmless elements of the environment: this is the case of allergies. Some deficiencies of the immune system are congenital. Their signs appear shortly after birth. Others are acquired, such as the Acquired ImmunoDeficiency Syndrome or AIDS which is due to a virus called Human Immunodeficiency Virus (HIV). The infected individual with HIV remains apparently healthy for a long time. However, he may transmit the infection to others. a- By referring to the above text i- Define immunodeficiency and indicate its types. DISORDERS OF THE IMMUNE SYSTEM ii- Indicate the causative agent and the target of AIDS. b- AIDS can be transmitted to others. i- Name 2 methods that can transmit AIDS between people. ii- Name 1 method that doesn't transmit AIDS. iii-Suggest a method to detect infection by HIV
Transcribed Image Text:EXERCISE -10- Sometimes, the immune system is too weak and unable to efficiently fight infections: this is the case of Immuno-deficiencies. In some people, the immune system is too aggressive and attacks harmless elements of the environment: this is the case of allergies. Some deficiencies of the immune system are congenital. Their signs appear shortly after birth. Others are acquired, such as the Acquired ImmunoDeficiency Syndrome or AIDS which is due to a virus called Human Immunodeficiency Virus (HIV). The infected individual with HIV remains apparently healthy for a long time. However, he may transmit the infection to others. a- By referring to the above text i- Define immunodeficiency and indicate its types. DISORDERS OF THE IMMUNE SYSTEM ii- Indicate the causative agent and the target of AIDS. b- AIDS can be transmitted to others. i- Name 2 methods that can transmit AIDS between people. ii- Name 1 method that doesn't transmit AIDS. iii-Suggest a method to detect infection by HIV
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