Lesson 4 Flashcards
An immune deficiency that is aqcuired, not hereditary nor inborn
AIDS / Acquired Immune Deficiency Syndrome
What does AIDS means
Acquired Immune Deficiency Syndrome
What is the cause of AIDS / Acquired Immune Deficiency Syndrome
HIV / Human Immunodeficiency Virus
It is a retrovirus, that belongs to lentivirus, or called “slow virus”
Human Immunodeficiency Virus
The period between infection and appearance of AIDS can take from _________ years
7 to 12 years
HIV invades several types of cells
Lymphocytes
Macrophages
Langerhan cells
Neurons within the CNS
What does human being produces against infections
Antibodies
What do you call : when HIV infection takes place, anti-HIV antibodies are produced but they do not appear immediately
Window effect
Antibodies to HIV become detectable _________ weeks after infection
4-6 weeks
A person becomes infected with HIV through
Sexual contact with infected person
Injection of infected blood or blood products
Perinatal or vertical transmission
Ways to be infected with blood-infected HIV
Blood transfusion
Transmission during pregnancy
Organ donation
Accidental exposure in hospitals and clinics
How is a child infected by HIV during pregnancy
Tran-placental
When mother developed advanced aids
What are the diagnostic test for HIV
Particle Agglutination Test (PA test)
Immunofluorescent test
RIPA / Radio immuno-precipitation assay
HIV antibody test
When HIV antibodies are not detectable, it is considered ______ antibody test
Negative antibody test
When HIV antibodies are detectable in the blood, it is considered ______
HIV positive
