5. Health, disease and development of medicines. Flashcards
Define health
A state of complete physical, mental and social well-being
What is a communicable disease?
Any disease that can be spread directly from one person to another
What is a noncommunicable disease?
When a disease cannot be spread from an animal to animal or person to person.
What is a pathogen
A disease causing organism
Give four types of pathogens
Viruses, bacteria, fungi and protests
What does cholera cause?
Diarrhoea
What type of pathogen causes cholera?
Bacteria
What does tuberculosis cause?
Lung damage
What type of pathogen causes tuberculosis?
Bacteria
What does chalara ash dieback cause?
Leaf loss and bark lesions
What type of pathogen causes trouble chalara ash die back?
Fungi
What does malaria cause?
Damage to blood and liver
What type of pathogen causes malaria?
Protists
What does HIV do?
Destroys white blood cells, leading to the onset of AIDS
What type of pathogen causes HIV?
Virus
How is cholera spread?
Water
How is tuberculosis spread
Air born
How is chalara ash dieback spread
Airborn
How is malaria spread?
Animal vectors
What does STD stand for?
Sexually transmitted infections
Give two examples of STDs
Chlamydia and HIV
What type of pathogen causes chlamydia?
Bacteria
Give Three examples of physical barriers of the human body that provides protection from pathogens
Mucus, cilia and skin
Give two examples of the chemical defence of the human body the provided protection from pathogens?
Lysozymes and hydrochloride acid