HIV Flashcards
1
Q
What does HIV stand for
A
Human iummuodeficiency virus
2
Q
How is HIV transmitted
A
- unprotected sex
- infected needles
- HIV positive mothers to children during pregnancy and breast feeding
3
Q
Where is HIV found
A
In some body fluids: semen and breast milk
4
Q
What is the emergency treament for HIV
A
Post exposure prophylaxis - 72h may stop a person getting infected
5
Q
What does AIDS stand for
A
Acquired immune deficency syndrome
6
Q
How does HIV cause symptoms of AIDS
A
- HIV directly attacks T helper cells
- HIV die after releasing replicate virus casuing T helper cells to die
- number of T helper cels decrease
7
Q
Wht does low levels of T helper cells means
A
- immune response not stimulated such as B cells, Cytotoxic T cells, phagocytosis not being stimulated
- means the infected person will experience a significant number of infections and other life threating illnesses which kills them
8
Q
How do you test for HIV
A
- Detect the presence if HIV antigens or antibodes to HIV or detct the gentic materil of HIV in the sample
- elisa test
9
Q
After being infected wth HIV how long till HIV antibodies appear in the bloof
A
2 weeks to 6 months
10
Q
How big is the HIV virsus
A
O.1nanometers
11
Q
Name all the parts of the HIV virus
A
- attachment glycoprotein
- transmemebrne glycoprotein
- lipid membrane
- matrix
- capsid
- enzymes
- Gentic material
12
Q
What is the genetic material of HIV made out off
A
RNA
13
Q
Whta is the capsid made out of
A
The protein p24
14
Q
What enzymes are found in HIV
A
- reverse transcriptase
- intergrase
- proteases
15
Q
What type of virus is HIV
A
Retro virus
