HIV-AIDS Flashcards
A viral infection that attacks and slowly destroys the
immune system of the infected person that leads to
“immune deficiency”.
Human Immunodeficiency Virus
Decrease or weakness in the body’s ability to fight
off infections and illnesses?
Immunodeficiency
HIV specifically targets _____?
CD4 cells
It is an _______ icosahedral virus containing two identical single
stranded ____ molecules,
enveloped, RNA
The virus is covered in spikes of ‘glycoproteins’ _____ and ______?
gp120 and gp41
allow HIV to lock onto the CD4 receptor on CD4 T cells and enter the cell?
gp120 and gp41
Genus of HIV?
Lentivirus
Family of HIV?
Retroviridae
Three enzymes of HIV for replication?
Reverse Transcriptase
Integrase
Protease
This is the period when the virus
first enters the body and the
immune system begins to react?
Stage 1: Primary Infection (Acute HIV)
This stage is also called asymptomatic
HIV infection or clinical latency?
Stage 2: Chronic HIV Infection
TRUE OR FALSE? Without treatment, HIV infection usually advances to AIDS in 10 years or longer,
though it may advance faster in some people?
True
The most severe phase and final stage
of HIV infection?
Stage 3: Acquired Immune Deficiency Syndrome
People with AIDS have such badly
damaged immune systems that they
get an increasing number of severe
illnesses, called ______.
opportunistic
infections
People receive an AIDS diagnosis when
their CD4 cell count drops below ________?
200 cells/mm
A group of signs and symptoms that
occur together and characterize a particular abnormality?
Syndrome