CHA 2 HIV/ AIDS Exam 2026 Questions
and Answers Graded A+
What is a Viral infection? (Human Immunodeficency Virus) - Correct answer-
Retrovirus is the cause; preventable; cause identifies in 1985
Infection with HIV leads to Aids; Aids is the endstage form of chronic HIV
infection
HIV destroys CD4+ cells 3 ways: - Correct answer-1. Viral replication leaves holes
in the cell membranes thus destroying the cell
2. Infected cells fuse with other cells - Cells combine to form a syncytium that
destroys all affected cells
3. Antibodies against HIV bind to the infected cells and activate the complement
system, which destroys the infected cells
How many CD 4 cells to a healthy adult usually have? - Correct answer-800-1200
per microliter of blood
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, At what number of CD 4 cells can the immune system usually function - Correct
answer-- above 500
When do immune problems begin? - Correct answer-When CD 4 count drops to
200-499 (<29%)
Aids develop when the CD 4 count is what ? - Correct answer-<200 or an HIV
positive person with opportunistic infection (<14%)
What is a major concern with CD 4 count? - Correct answer-Opportunistic
infections
How is HIV transmitted? - Correct answer-Bodily Fluids
Sexual transmission - Most common
Parenteral exposure - IV users are high risk
Blood transfusion - lower risk
Perinatal transmission
What does viremia mean? - Correct answer-Large amounts of virus in blood
What is the initial infection of HIV? - Correct answer-- Acute retroviral syndrome
(1-3 weeks after infection, last 1-2 weeks)
©COPYRIGHT 2026, ALL RIGHTS RESERVED 2
and Answers Graded A+
What is a Viral infection? (Human Immunodeficency Virus) - Correct answer-
Retrovirus is the cause; preventable; cause identifies in 1985
Infection with HIV leads to Aids; Aids is the endstage form of chronic HIV
infection
HIV destroys CD4+ cells 3 ways: - Correct answer-1. Viral replication leaves holes
in the cell membranes thus destroying the cell
2. Infected cells fuse with other cells - Cells combine to form a syncytium that
destroys all affected cells
3. Antibodies against HIV bind to the infected cells and activate the complement
system, which destroys the infected cells
How many CD 4 cells to a healthy adult usually have? - Correct answer-800-1200
per microliter of blood
©COPYRIGHT 2026, ALL RIGHTS RESERVED 1
, At what number of CD 4 cells can the immune system usually function - Correct
answer-- above 500
When do immune problems begin? - Correct answer-When CD 4 count drops to
200-499 (<29%)
Aids develop when the CD 4 count is what ? - Correct answer-<200 or an HIV
positive person with opportunistic infection (<14%)
What is a major concern with CD 4 count? - Correct answer-Opportunistic
infections
How is HIV transmitted? - Correct answer-Bodily Fluids
Sexual transmission - Most common
Parenteral exposure - IV users are high risk
Blood transfusion - lower risk
Perinatal transmission
What does viremia mean? - Correct answer-Large amounts of virus in blood
What is the initial infection of HIV? - Correct answer-- Acute retroviral syndrome
(1-3 weeks after infection, last 1-2 weeks)
©COPYRIGHT 2026, ALL RIGHTS RESERVED 2
