HIV

Question 1

What does HIV stand for?

Answer 1

Human immunodeficiency virus

Question 2

What is the result of HIV

Answer 2

AIDS

Acquired immune deficiency syndrome

Question 3

How can the virus infect people?

Answer 3

Enter the body by infected bodily fluids such as; sexual intercourse, infected needles, blood infection of wounds, blood transfusions, mother to child across the placenta and breast milk

Question 4

Symptoms of HIV

Answer 4

Fever
Sore throat
Body rash
Tiredness
Joint pain
Muscle pain 
Swollen gland

Question 5

Symptoms of AIDS

Answer 5

Weight loss
Chronic diarrhoea 
Night sweats
Skin problems
Recurrent infections 
Serious life threatening illnesses

Question 6

What does HIV do?

Answer 6

HIV infected and eventually kills helper TCells which act as host cells for the virus.

Question 7

How do people develop AIDS

Answer 7

People infected with HIV develop AIDS when the helper TCell numbers in their body reach a critical low level

Question 8

Parts of the HIV virus?

Answer 8

Genetic material/RNA
Transmembrane glycoproteins 
Docking glycoproteins
Lipid envelope
Reverse transcriptase
Matrix
Capsid

Question 9

What is reverse transcriptase?

Answer 9

Enzyme that catalysed the production of DNA from RNA. This ability means that HIV belongs to a group called retroviruses

Question 10

How does HIV infect host cells?

Answer 10

As HIV is a virus it is unable to replicate on its own, it uses its genetic material to instruct the host cells biochemical mechanisms to produce the parts needed to make new HIV