Biology - infection and response

Question 1

Measles - viral

Answer 1

symptoms- temperature and red skin rash
no treatment
spread by coughing and sneezing

Question 2

HIV/AIDS - viral

Answer 2

symptoms - mild flue like illness
spread by sharing needles and sex
treatment - anti drugs help

Question 3

salmonella- bacteria

Answer 3

symptoms- fever,cramps, vomiting, and diarrhoea
treatment- vaccination in animals
spread by eating raw food which passes bacteria

Question 4

Gonorrhoea- bacteria

Answer 4

symptoms - yellow or green discharge and pain while having sex
spread by having sex
treatment - antibiotics but hard to treat

Question 5

athletes foot - fungal

Answer 5

symptoms- attack lungs/brain and illness
spread by someone else having it and having skin contact with you
treatment - avoid contact with people who have it and antibiotics

Question 6

Malaria

Answer 6

it’s the result of a single cell parasite called a protist. it has a complicated lifecycle part of which is spends in humans and part in female anopheles mosquitoes different phases of the lifecycle are adapted to living in different parts of the mosquito or human. The protist produce sexually in the mosquito and sexually in the humans. The mosquito carries the parasite which means it’s a vector of the disease before she can lay eggs the female mosquito needs meals of human blood it’s at the stage the protists are passed into human blood. These protists then get carried around the body in the circulation system.They first infect the liver and then red blood cells. When they destroy the red blood cells by bursting out of them it causes symptoms of shaking and fever. Over time it can weaken those infected and if the diseases is not treated can become fatal.