b6.3.4 human infection

Question 1

explain athlete’s foot

Answer 1

it is very contagious. spreads through direct contact and indirect contact.
it is caused by the parasitic fungi called dermatophytes.

causes cracking, flaky and itchy skin.

Question 2

three main groups of bacteria that cause food poisoning

Answer 2

campylobacter
salmonella
e.coli (0157)

causes diarrhoea, vomiting and fever

Question 3

explain chlamydia

Answer 3

caused by bacteria
pain when urinating
antibiotic treatment

Question 4

explain gonorrhea

Answer 4

caused by bacteria
burning pain when urinating
vaginal discharge
antibiotic treatment

Question 5

explain genital herpes

Answer 5

caused by a virus
painful blisters or sores
no cure

Question 6

explain HIV ( human immunodeficiency virus)

Answer 6

caused by a virus
weakens the immune system.
it invades white blood cells and reproduces there.
No cure usually leads to AIDS and is controlled used antiretroviral drugs