B2 - Flashcards
Where does the air we breathe in go through
The trachea
3 virus diseases
Measles
HIV
Tobacco Mosaic Virus
Symptoms of Measles
Red skin rash
Signs of a fever
What can Measles lead to
Pneumonia or Encephalitis
How is Measles prevented
Vaccinated against it
How is Measles spread
Droplets
How is HIV spread
By sexual contact or exchanging bodily fluids
Symptoms of HIV
flu-like symptoms
attacks immune cells
What can HIV lead to
AIDS
How can HIV be controlled
Antiretroviral drugs
What does TMV cause
Leaves of plant to become discoloured
-less photosynthesis so stunts growth
Name a Fungal disease
Rose Black Spot
What does Rose Black Spot cause
Purple or black spots on leaves, leaves turn yellow and drop off
-Less photosynthesis so plant doesn’t grow well
How can Rose Black Spot be treated
Fungicides or cutting off affected leaves
How is Rose Black Spot spread
Wind or Water
Name a Protist Disease
Malaria
What is a mosquito in Malaria
Vector
How is Malaria spread
Mosquito picks up malarial protist when feeding on infected animal, and injects it into the animal’s blood cell when feeding
How to stop spread of Malaria
Preventing mosquitos breeding
How can people be protected from mosquitos
insecticides and mosquito nets
Symptoms of Malaria
Repeating fever and can be fatal
2 Bacterial diseases
Salmonella
Gonorrhoea
What does Salmonella cause
Food poisoning
Symptoms of Salmonella
Fever
Stomach cramps
Vomiting
Diarrhoea
How are the symptoms of Salmonella caused
Toxins that bacteria produce
How is salmonella controlled
Poultry vaccinated against salmonella
Cooking food
What type of disease is Gonorrhoea
STD (sexually Transmitted Disease)
How are STDs passed on
Sexual contact (unprotected sex)
Symptoms of Gonorrhoea
Pain while urinating
Yellow or green discharge from vagina or penis
How can spread of Gonorrhoea be prevented
Treatment of antibiotics
Using barrier methods during sex
