Hiv/Aids

Question 1

Aids stand for

Answer 1

Aquired immuni deficiency syndrom

Question 2

Hiv stand for

Answer 2

Human immuno deficiency syndrom

Question 3

Prevalence of aids in libya

Answer 3

0.13%
More than 90% of recent infection due to Iv drug abuse

Question 4

Causative agent of aids is

Answer 4

HIV(Human immuni deficiency virus)
Belong to subfamily -Lentivirus- 》 from Retrovirus Family

Question 5

Mode of transmision of HIV

Answer 5

1.Sexual transmission
2.Transfusion of contaminated blood , blood product
3.throug skin ,piercing instrument (needles)
4.perinatal transmission (mother to child)

Question 6

What is the predominant route of transmisson for aids

Answer 6

Globally -Heterosexual route- is the predominant route of transmission

Question 7

What is the reservoir for Hiv infection

Answer 7

The reservoir of infection are the
1. Cases , carriers

Question 8

Hiv occure due to destruction of …….

Answer 8

CD4 t lymphocytes

Question 9

Incupation period for HIV is

Answer 9

From few months to ten Years

Question 10

Window period for HIV

Answer 10

Period from aquiring the infection until apperance of antibodies
(6weeks to 3months)
During this period the paithent highly infectious and -ELISA test is negative but PCR positive-

Question 11

Talke about the stages of HIV infection

Answer 11

Stage 1 infection , antibody development
…
Take 2 to 12 week for antibody production
Called window period
CD4 remain normal , more than 950/mm³
…
Stage 2 asymptomatic carrier state
..
Only present with generalized lymphadenopathy
CD4 count less than 350/mm³
…
Stage 3 Aids related complex
..
No cancer or opportunstic infection
May be some symptom like
Generalized lymphadenopathy , oral thrush , chronic diarrhoea
…
Stage 4 Aids
..
CD4 less than 200/mm³
Sever opportunstic infection LIKE
TB , herps simplex or zoster or pnumocytosis
.
CANCER LIKE
Kaposi sarcoma , Cns lymphoma

Question 12

Lap dx for HIV

Answer 12

1Screening by Elisa test for antibody to Hiv then westren blot to confirm
(Polymerase chain reaction PCR)
2.virus isolation
3.CD4 count , CD4 percentage , viral load

Question 13

Preventation , control to HIV

Answer 13

1.No cure or vaccine
2.antiviral treatment can slow the course of yhe disease
3.health education about danger of sharing needles
4.avoiding adultry
5.proper sterilization of instrument , proper disposal of health care wast
6 screening for blood , blood product for HIV before transfusion