HIV Flashcards Preview

Infectious Disease and Medical Microbiology > HIV > Flashcards

Flashcards in HIV Deck (16)
0

What does HIV stand for?

HUMAN IMMUNODEFICIENCY VIRUS
(if you didn't yell it, it's wrong)

1

Rank the sexual contact that is most likely to spread HIV to the least. (3)

Receptive anal sex > Insertive anal sex > vaginal sex

2

What are the main ways of spreading HIV? (3)

-Sexual contact
-Blood-borne: sharing needles, hospital acquired
-Vertical transmission: pregnancy, birth, breastfeeding

3

What type of cells does HIV replicate in?

CD4 cells

4

What are the 5 stages of HIV?

-Acute (primary) infection
-Seroconversion
-Asymptomatic stage
-Symptomatic stage
-AIDS

5

What's a normal CD4 count?

>400/mcL

6

At what level does a CD4 count become dangerous?

Less than or equal to 200/mcL

7

What does Vancouver equal?

AIDS

8

What are the two main factors in determining HIV progression?

-viral load
-CD4 count

9

What opportunistic infections do you start to see at a CD4 count of 200/mcL? (3)

-pneumocystis jirovecii pneumonia
-oral thrush
-progressive multifocal leukoencephalopathy

10

What opportunistic infections do you start to see at a CD4 count of 100/mcL? (3)

-toxoplasmosis
-cytomegalovirus retinitis
-cryptococcal meningitis

11

What opportunistic infections do you start to see at a CD4 count of 50? (1)

-mycobacterium avium complex

12

What opportunistic infection could you see at any CD4 count in an HIV patient? (1)

TB

13

What are some HIV related cancers? (3)

-lymphoma
-cervical cancer (HPV)
-Kaposi's sarcoma

14

The types of antiretrovirals (5)

Nucleoside Reverse Transcriptase Inhibitors (NRTIs)
Non-Nucleoside Reverse Transcriptase Inhibitors (NNRTIs)
Protease Inhibitors
Integrase Inhibitoes
Fusion Inhibitors
CCR5 Antagonist

15

Common Antiretroviral therapy combinations

2 NRTIs + 1 Protease Inhibitor
2 NRTIs + 1 NNRTI
2 NRTIs + 1 Integrase Inhibitor