HIV/Virus

Question 1

How does prevalence increases?

Answer 1

people get diseases faster and people live longer with the disease

Question 2

How does prevalence decreases?

Answer 2

people diseases at a slower late, people are cured, people with disease die

Question 3

equation for incidence

Answer 3

no. new infections/total time experienced for people followed

Question 4

How does HIV spread?

Answer 4

mucocutaneous contact with blood, semen, vaginal secretion, injection and perinatal transmission (pregnancy, childbirth and breast feeding)

Question 5

HIV preventions

Answer 5

treatment, prexposure to porphylaxis (PrEP), male circumcision

Question 6

What enhances HIV transmission?

Answer 6

viral load, disease stage (acute HIV and end stange), male circumcision status, co-infection with STIs

Question 7

Risk groups for HIV

Answer 7

Men sex with men, people inject drugs, sex workers and sexual partners of these people

Question 8

HIV prevalence is? incidence?

Answer 8

increase and decrease

Question 9

What does HIV virus consist of?

Answer 9

lipid bilayer, 2 RNA genome, surface antigen gp120 and gp41, gag gene, pol (integrase, protease, RT), non-structural and regulatory gene

Question 10

lymphotropic receptor

Answer 10

CXCR4

Question 11

MACROTROPHIC receptor

Answer 11

CCR5

Question 12

Reverse Transcritase Inhibitor

Answer 12

Zidovudine –absence of 3’OH

Question 13

Antiviral therapy

Answer 13

RTi, Pi and Integrase i

Question 14

initial target of HIV

Answer 14

Langerhans cell