A/46 Flashcards

1
Q

What causes AIDS?

A

retrovirus infection - HIV1

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2
Q

3 stages of AIDS

A
  1. infection
  2. latency
  3. AIDS
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3
Q

What are the 2 processes that happen after AIDS infection?

A
  • Integration by CD4 cells

- Immune reaction and absorption by macrophages

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4
Q

How do macrophages absorb the virus?

A

Using receptor to anti-GP120 and anti-GP41 antibodies

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5
Q

What are 3 clinical features of AIDS?

A
  1. opportunistic infections
  2. neoplastic disorders
  3. CNS disorders
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6
Q

What happens during the latency stage? (2)

A
  • low viral replication

- can infect other people

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7
Q

What happens during the AIDS stage?

A

Extensive viral replication

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8
Q

How can AIDS cause neoplastic disorders?

A

by coinfection with oncogenic viruses

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9
Q

Example of neoplastic disorders that can happen with AIDS (4)

A
  • Lymphomas (EBV)
  • Kaposi sarcoma (HHV8)
  • Cervix carcinoma (HPV)
  • Anal cancer (HPV)
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