Biology-Health and Disease Flashcards
What pathogen causes Cholera?
A Bacterium
What pathogen causes tuberculosis?
A bacterium
What pathogen causes Malaria?
A protist
What pathogen causes Chalara ash dieback?
A fungus
What is the WHO’s definition of health?
Health is a state of complete physical, mental and social well-being. And not merely the absence of disease of infirmity.
Describe the difference between a communicable and a non-communicable disease.
A communicable disease can be transmitted through individuals by a pathogen, whereas a non-communicable disease cannot
Describe how the pathogen that causes tuberculosis is spread between individuals.
It is spread through the air when infected individuals cough.
Give one effect of tuberculosis on the human body.
Coughing OR lung damage
Describe one way to avoid contracting tuberculosis.
Infected individuals should avoid crowded public places.
Give two symptoms of chalara dieback disease.
Leaf loss and bark lesions
Suggest one way the chalara ash dieback could have been transmitted from Poland to Britain.
Diseased trees may have been imported from infected areas
Describe one precaution that may to used to prevent spread of chalara ash dieback.
The imports of ash trees could be restricted to prevent any more spread.
What are antibiotics?
Can be used to treat bacterial infections.
They stop cell processes like mitosis in the bacterium.
What are the five stages of developing new medicines?
Discovery Preclinical Animal Small clinical trial Large clinical trial
DNM what is discovery?
Finding a new drug which might cure or treat a disease
