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Infection > 8 HIV > Flashcards

8 HIV Flashcards

1
Q

List the 3 major blood borne infections?

A

Hep B
Hep C
HIV

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2
Q

What is AIDs?

A

A condition in humans leading to the progressive failure of the immune system

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3
Q

What cells does HIV infect?

A

T cells

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4
Q

What is an opportunistic infection?

A

An infection that occurs in someone with a compromised immune system

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5
Q

List 3 opportunistic infections that occur in HIV patients

A

Oral candidiasis
Kaposi Sarcoma
PCP

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6
Q

What fungus causes oral candidiasis?

A

Candida Albicans

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7
Q

What does a PCP x ray look like?

A

Consolidations

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8
Q

What group of virus in HIV?

A

Group 6

ssRNA and RT

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9
Q

What is a capsid?

A

the protein capsid surrounding the genome

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10
Q

What enzymes are present in HIV?

A

Intergrase
Protease
Reverse transcriptase

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11
Q

What are the different ways of HIV transmission?

A

Sexual contact
Transfusion
Contaminated needles
Perinatal transmission

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12
Q

What is the CD4 count of stage I HIV?

A

more than 500

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13
Q

What is an Aids defining CD4 count?

A

Less than 200

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14
Q

What factors affect HIV transmission?

A

Type of exposure
Viral load
Condom use
Breaks in skin, STI, inflammation

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15
Q

What diagnostic tests are there for HIV?

A

Antibodies for the Ag and Ab

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16
Q

When is PCR used?

A

Not used for initial HIV testing but for follow up treatment

17
Q

What different HIV therapies are there?

A

Protease inhibitor
Intergrase inhibitor
Reverse transcriptase inhibitor

18
Q

What is the ARVT given to people?

A

2 nucleoside reverse transcriptase inhibitors

and one of the others

19
Q

Why are 3 ARVs given?

A

the virus commonly mutates so resistance develops fast

20
Q

What is PrEP?

A

PreExposure prophylaxis, given to people who are at a high risk of HIV

Infection (13 decks)

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